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NetworkManager-1.30
Overview of changes since NetworkManager-1.28
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=============================================

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* Increase timeout of NetworkManager-wait-online.service to 60 seconds.
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* Add "ipv4.dhcp-client-id=ipv6-duid" option for RFC4361.
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* The dhcpcd plugin now requires a minimum version of dhcpcd-9.3.3 with
  the --noconfigure option. Using an older version will cause dhcpcd to
  exit with a status code of 1.
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* Support building against musl libc.
* Support new ethtool offload features.
* Add support for WPA3 Enterprise Suite-B 192 bit mode.
* Add support for handling Veth devices.
* New hostname settings for controlling configuring the hostname from
  reverse DNS lookup and from DHCP.
* OVS: support configuring external-ids.
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* libnm: nm_setting_bond_add_option() no longer validates the
  option that is set. Instead, use nm_connection_verify() to validate
  the profile.
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* libnm: add support for reading/writing keyfile format. This required to
  relicense previously GPL-2.0+ code as LGPL-2.1+ with the agreement of the
  copyright holders.
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* initrd: support for rd.net.timeout.carrier option.
* initrd: support new ip method "link6" for IPv6 link-local only.
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* ci: use ci-templates for containers on gitlab-ci.
* ci: test build against Alpine Linux on gitlab-ci.
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* build: new configure option to set path to "polkit-agent-helper-1".
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* Many bugfixes, improvements and translation updates.
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=============================================
NetworkManager-1.28
Overview of changes since NetworkManager-1.26
=============================================

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* Introduce a new "rc-manager=auto" setting and make it the default,
  unless a different default is chosen at compile time.  This mode
  tries to detect "systemd-resolved", "resolvconf", and "netconfig"
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  and chooses the mode that seems most suitable depending on build
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  setting and runtime detection.  "resolvconf" and "netconfig" are
  only considered iff NetworkManager was built with the respective
  options enabled.
* The long deprecated D-Bus property "Ip4Address" on
  "org.freedesktop.NetworkManager.Device" interface is now defunct and
  always returns zero.
* Introduce a ipv4.dhcp-reject-servers connection property that
  specifies a list of DHCP server-ids from which offers should be
  rejected.
* Add a ipv4.dhcp-vendor-class-identifier connection property to send
  a custom value for the Vendor Class Identifier DHCP option.
* Support obtaining the system hostname through the FQDN DHCPv6
  option.
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* dbus: don't require policykit permission for GetAppliedConnection of
  a device.
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* When supported by kernel, use netlink to configure bridge settings
  instead of writing to sysfs.
* Deprecate the "active_slave" bond option which now has the same effect
  as setting the "primary" option.
* The initrd generator now also accepts MAC addresses to indicate
  interfaces.
* Add a new provider for nm-cloud-setup to support automatic network
  configuration on Azure.
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* The initrd generator now supports creating Infiniband connections.
* Fix running DHCPv6-PD over PPPoE.
* Fix building NetworkManager with LTO (Link Time Optimization).
* Fix failure activating Wi-Fi P2P connections.
* Reformat code using spaces instead of tabs. Also, the entire C
  source code is now formatted with "clang-format" (version 11.0).
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* Change the behavior of nm-initrd-generator so that the 'ip=off|none' kernel
  cmdline argument actually generates a connection which disables both
  ipv4 and ipv6. Previously the generated connection would disable ipv4
  but ipv6 would be set to the 'auto' method.
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* Fix systemd-resolved DNS plugin to configure DefaultRoute option and to
  only configure wildcard DNS search domain with exclusive DNS priority.
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=============================================
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NetworkManager-1.26
Overview of changes since NetworkManager-1.24
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=============================================

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* Add a new build option 'firewalld-zone'; when enabled,
  NetworkManager installs a firewalld zone for connection sharing and
  puts interfaces using IPv4 or IPv6 shared mode in this zone during
  activation. The option is enabled by default.
  Note that NetworkManager still calls to iptables to enable
  masquerading and open needed ports for DHCP and DNS. The new option
  is useful on systems using firewalld with the nftables backend,
  where the iptables rules would not be sufficient.
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* Extend the syntax for 'match' setting properties with '|', '&', '!'
  and '\\'.
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* Add MUD URL property for connection profiles (RFC 8520) and set it
  for DHCP and DHCPv6 requests.
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* Expose raw LLDP message on D-Bus and the MUD usage description URL.
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* ifcfg-rh: handle "802-1x.{,phase2-}ca-path". Otherwise setting this
  property silently fails and a profile might accidentally not perform
  any authentication (CVE-2020-10754).
* ifcfg-rh: handle 802-1x.pin properties.
* ethernet: reset original autonegotiation/speed/duplex settings when
  deactivating device.
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* Support ethtool coalesce and ring options.
* Allow team connections to work without D-Bus (e.g. in the initrd).
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* Wi-Fi profiles now also autoconnect if all previous activation attempts
  failed. This means, an initial failure to autoconnect to the network will
  no longer block the automatism. A side effect is that existing Wi-Fi profiles
  which previously were blocked may now start to autoconnect.
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* NetworkManager now supports "local" type routes beside "unicast".
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* Introduce new manual pages nm-settings-dbus and nm-settings-nmcli.
* Mark externally managed devices and profiles on D-Bus.
* Highlight externally managed devices in nmcli.
* Add support for a number of bridge options.
* Add match for device path, driver and kernel command line for connection
  profiles.
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* Fix support for OVS patch interfaces.
* Support more tc qdiscs: tbf and sfq.
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* Add new provider in nm-cloud-setup for Google Cloud Platform which
  automatically detects and configures the host to receive traffic
  from internal load balancers.
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=============================================
NetworkManager-1.24
Overview of changes since NetworkManager-1.22
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* Add support for virtual routing and forwarding (VRF) interfaces.
* Add support for Opportunistic Wireless Encryption mode (OWE) for Wi-Fi networks.
* Add support for 31-bit prefixes on IPv4 point-to-point links according to
  RFC 3021.
* Drop dependencies for libpolkit-agent-1 and libpolkit-gobject-1.
* nmcli:
  - support setting removal via new command
    `nmcli connection modify $CON_NAME remove $setting`.
  - support backslash escape sequences for "vpn.data", "vpn.secrets",
    "bond.options", and "ethernet.s390-options".
* bridge: support new options "bridge.multicast-querier", "bridge.multicast-query-use-ifaddr",
  "bridge.multicast-router", "bridge.vlan-stats-enabled", "bridge.vlan-protocol",
  "bridge.group-address".
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* IPv6 SLAAC: add support for "ipv6.ra-timeout" setting
* IPv6 DHCP: add support for "ipv6.dhcp-timeout" setting
* WWAN: NetworkManager now detects if a PIN-protected SIM card has been
  externally unlocked and automatically tries to activate a suitable
  connection on the modem.
* OVS:
  - add support for changing MTU of OVS interfaces.
  - remove length limitation for OVS Bridge, Patches and Interfaces
    (only Patch types) names.
* VPN: accept empty values for VPN data items and secrets.
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* All nm-devices now expose the 'HwAddress' property via D-Bus.
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* Slave devices now do not get created/activated if master is missing.
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* Fixed multiple issues in the internal "nettools" DHCP client.
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* Export NM_CAPABILITY_OVS capability on D-Bus and in libnm to
  indicate that the OVS plugin is loaded.
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* Fixes for importing WireGuard profiles in nmcli and better handle
  configurations that enable ip4-auto-default-route with an explicit
  gateway.
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* Various bug fixes and improvements.
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=============================================
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NetworkManager-1.22
Overview of changes since NetworkManager-1.20
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=============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Drop support for BlueZ 4. BlueZ 5 was released in 2012 and should
  nowadays be available everywhere.
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* DHCP: switch "internal" DHCPv4 plugin from code based on systemd to use nettools'
  n-dhcp4 library.
* Add support for "scope" attribute for IPv4 routes.
* Add support for specifying IAID and FQDN flags for DHCP request.
* Add a '802-1x.optional' property to consider the wired 802.1X authentication as
  optional.
* Use the Network Cost Wi-Fi information element to determine metered
  device state.
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* Support main.auth-polkit=root-only setting to disable PolicyKit use and
  restrict authorization to root user.
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* core: declare "startup complete" when device reaches "connected"
  state, even if IP addressing methods did not yet fully complete.
  This changes behavior for unblocking "NetworkManager-wait-online.service",
  and "network-online.target" earlier. If this causes issues in your
  setup, you may need to configure "ipv4.may-fail=no" or "ipv6.may-fail=no",
  which delays reaching "connected" state for the address family accordingly.
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* libnm: hide NMObject and NMClient typedefs from header files. This prevents
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  the user from subclassing these types and is an ABI change (in the unlikely
  case that a user was subclassing the types, which is no longer supported).
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* libnm: retire deprecated WiMAX API NMDeviceWimax and NMWimaxNsp.
  WiMAX support was removed from NetworkManager in version 1.2 (2016) and no such
  type instances would have been created by NMClient for a while now.
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* Deprecate synchronous API for D-Bus calls in libnm. We don't remove libnm API so
  you are free to continue using it. But tells you that using it might be a bad idea.
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* libnm: heavily internal rework NMClient. This slims down libnm and makes the
  implementation more efficient. NMClient should work now well with a separate
  GMainContext.
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* Add `nmcli general reload` subcommand to reload NetworkManager configuration
  and DNS settings.
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* nm-cloud-setup: add new tool for automatically configuring NetworkManager
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  in cloud. This is still experimental and currently only EC2 and IPv4 is
  supported.
* Add new NetworkManager logo to "contrib/art/logo".
* Various bug fixes and improvements.
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NetworkManager-1.20
Overview of changes since NetworkManager-1.18
=============================================

This is a new stable release of NetworkManager.  Notable changes include:

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* The libnm-glib library, deprecated in favor of libnm since NetworkManager 1.0,
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  and disabled by default since NetworkManager 1.12, has now been removed.
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* The DHCP client now defaults to "internal". The default can be overriden
  at build time by using the --with-config-dhcp-default option of the
  configure script or at run time by setting the main.dhcp option in the
  configuration file.
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* Added support for configuring fq_codel line discipline and mirred action.
* Added a possibility for distributions to ship dispatcher scripts in /usr/lib.
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* Drop deprecated setting "main.monitor-connection-files" in NetworkManager.conf.
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  This setting now has no more effect and was disabled by default for a long time.
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  Instead, after changes, load files explicitly with `nmcli connection load` or
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  `nmcli connection reload`.
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* Rework parsing team JSON config in libnm and stricter validate settings.
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  With this, NetworkManager rejects settings that it considers invalid while
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  still allowing setting arbitrary JSON config directly.
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* Drop ibft settings plugin. This functionality is now covered by using
  nm-initrd-generator from initrd to pre-generate in-memory profiles.
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* Support "suppress_prefixlength" attribute for policy routing rules.
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  This is what wg-quick uses for the "Improved Rule-based Routing" solution,
  and the user can now manually configure such policy routing rules.
* Support "wireguard.ip4-auto-default-route" and "wireguard.ip6-auto-default-route".
  This automatically implements the "Improved Rule-based Routing" of wg-quick
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  to help avoiding routing loops when setting the default-route on the WireGuard
  interface. Note that this is now enabled by default, so there is a change in behavior
  if your WireGuard connection profiles from before had a default-route (/0)
  in allowed-ips.
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* Rework implementation of settings plugins and how profiles are presisted
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  to disk. This is a large internal refactoring of the settings plugins that
  allows to migrate a connection profile between plugins.
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* In-memory profiles are now only handled by keyfile plugin and will also be
  persisted to /run directory. This allows to restart NetworkManager without
  loosing these profiles and it provides a file-system based API for creating
  in-memory profiles.
* Keyfile plugin now supports a read-only directory of profiles under directory
  "/usr/lib/NetworkManager/system-connections". Such profiles still can be modified
  and deleted via D-Bus, which results in writing profiles to /etc or /run that
  shadow the read-only files.
* Add new D-Bus method AddConnection2() that allows to block autoconnect of
  the profile at the moment when creating the profile. Also add support for
  this API to libnm.
* Add flag "no-reapply" to Update2() D-Bus method. Normally, when a connection
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  profile gets modified, this only changes the profile itself. When the profile
  is currently activated on a device, then the device's configuration does not update
  before the profile is fully re-activated or Reapply on the device is called. There
  is an exception to this: the "connection.zone" and the "connection.metered"
  properties take effect immediately. The "no-reapply" flag allows suppressing to
  reapply any properties, so that no changes take effect automatically. The purpose
  is to really only modify the profile itself without changes to the runtime configuration
  of the device.
* Add "ipv6.method=disabled" to disable IPv6 on a device, like also possible for
  IPv4. Until now, the users could only set "ipv6.method=ignore" which means the
  users are free to set IPv6 related sysctl values themselves.
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* Added support for Wi-Fi Mesh network.
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The following changes were backported to 1.18.x releases between 1.18.0
and 1.18.2 are also present in NetworkManager-1.18:

- 1.18.2:
* Add compatibility with out-of-tree WireGuard module on 5.2 kernels
* Fix parsing of BOOTIF= variables in initrd.
* Accept numeric IPv4 prefix in place of a mask when parsing a command line
  in initrd.
* Don't check connectivity of unconfigured devices.
* Fix PKCS#12 handling in the ifcfg-rh plugin.
* Avoid waiting for udev to see software devices created by NetworkManager.
* Don't attempt to stop management daemon for Team devices created
  externally to NetworkManager.
* Use FQDN for persistent hostname on Slackware.
* Restore IPv6 configuration of a device when its link goes back up.
* Fix management status of software devices on system suspend.
* Make nmcli not print certificate blobs if --show-secrets is not used.
* Fix MTU reapply.

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=============================================
NetworkManager-1.18
Overview of changes since NetworkManager-1.16
=============================================

This is a new stable release of NetworkManager.  Notable changes include:

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* Add support for policy routing rules.
* Add support for VLAN filtering for Linux bridge.
* Support ieee-802-1 and ieee-802-3 LLDP TLVs.
* Allow large MTU sizes for infiniband/IPoIB connection profiles.
* Improve nmcli's handling of list options for connection properties.

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=============================================
NetworkManager-1.16
Overview of changes since NetworkManager-1.14
=============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Check connectivity per address family.
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* Support "main.systemd-resolved" to let NetworkManager configure DNS settings
  in systemd-resolved without making it the main DNS plugin of NetworkManager.
* Write "/var/run/NetworkManager/no-stub-resolv.conf" with original nameservers.
  That is useful with caching DNS plugins like "systemd-resolved" or "dnsmasq" where
  "/var/run/NetworkManager/resolv.conf" refers to localhost.
* Change default "ipv4.dhcp-client-id" setting for the internal DHCP plugin from
  "duid" to "mac". This is a change in behavior on upgrade when using the internal
  DHCP plugin (unless the default is overwritten in "NetworkManager.conf" or specified
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  per connection profile).
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* Improve handling of DHCP router options with internal DHCP plugin. For one, accept
  multiple routers and add a default-route to each. On D-Bus expose the original DNS
  and NTP servers without cleaning up local nameservers.
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* Allow binding a connections lifetime to the DBus client that activated it.
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* Add support for establishing Wi-Fi Direct connections (Wi-Fi P2P).
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* Add support for WireGuard VPN tunnels to NetworkManager. D-Bus API and libnm
  support all options. nmcli supports creating and managing WireGuard profiles,
  with the exception of configuring and showing peers.
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* Add initrd generator to be used by dracut and use it as new way of handling
  iBFT.
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* Deprecated "plugins.monitor-connection-files" setting in NetworkManager.conf.
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  This option will have no effect in future versions.
* Add AP and Ad-hoc support for iwd Wi-Fi backend.
* Warn about invalid settings in "NetworkManager.conf".
* Support announcing "ANDROID_METERED" DHCP option for shared mode.
* Support SAE authentication as used for 802.11s Meshing and WPA3-Personal.
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* NetworkManager is no longer installed as D-Bus activatable service.
* Mark docker bridges as unmanaged via udev rule.
* Add new PolicyKit permission "org.freedesktop.NetworkManager.wifi.scan" for controlling
  Wi-Fi scanning.
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The following changes were backported to 1.14.x releases between 1.14.0
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and 1.14.6 are also present in NetworkManager-1.14:
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- 1.14.6:
* Fix memory corruption in internal DHCPv6 client (CVE-2018-15688).
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* No longer limit number of search entries in resolv.conf to 6.
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* Support restricting NetworkManager.conf device configuration based on used DHCP
  plugin.
* Add "${MAC}" specifier for connection.stable-id. This uses the current MAC
  address for seeding the stable generation of MAC address, DHCP client-id
  or IPv6 stable-privacy interface identifier.
* Support special value "duid" for "ipv4.dhcp-client-id". This generates an
  RFC4361-compliant client-id like the internal DHCP client used to do by default.
  Previously, there was no explicit name for such a client-id and it was not
  usable with dhclient DHCP plugin. This also generates the same client-id as
  systemd-networkd does by default.
* Support and use a new kind of secret-key in "/var/lib/NetworkManager/secret_key".
  The secret-key represents the identity of the machine that is used for various
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  purposes like generating IPv6 stable privacy addresses. It is now combined
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  with "/etc/machine-id" so that changing only the machine-id results in new identifiers.
  That matters for example when cloning a virtual machine. Previously, the user
  hard to prune NetworkManager's secret-key to get a new identity, now regenerating
  machine-id suffices. Secret-keys generated by earlier versions of NetworkManager are
  not affected and keep their previous behavior.
* Fix the DHCP client-ids based on the MAC address of IPoIB/infiniband devices.
* Fix restoring IP configuration after interface went down.
* No longer let NetworkManager touch rp_filter setting. The rp_filter sysctl must now
  be set outside of NetworkManager according to the admin's preference. Note that a strict
  rp_filter may break valid use-cases and interacts badly with connectivity checking.
* Various bug fixes and improvements.

- 1.14.4:
* Fix a crash in nmcli when a device is removed while being disconnected.
* Fix a crash in ifupdown (Debian) configuration plugin.
* Fix a daemon crash when a generated connection doesn't validate.
* Fix a memory leak in dhclient DHCP plugin.
* Fix line editing in nmcli password prompts.
* Fix a RPATH in bluetooth and wwan plugin when built with Meson (otherwise
  they wouldn't find libnm-wwan.so).

- 1.14.2:
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* Fix a bug that could cause NetworkManager to crash after checking
  connectivity status.
* Correctly apply a default (-1) metric from DHCP.
* Multiple fixes for IWD Wi-Fi backend.
* Multiple fixes for builds with Meson build system.
* Fix a crash with OLPC XO-1 mesh Wi-Fi.
* Fix handling "serial.parity" and "serial.send-delay" properties in nmcli.
* Improve auto-selecting device when activating a connection profile
  and don't auto-select unmanaged devices when activating multi-connect
  profile.
* Avoid expiring the lifetime of IPv6 addresses from router advertisements.

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NetworkManager-1.14
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Overview of changes since NetworkManager-1.12
=============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Added support for IEEE 802.15.4 and 6LowPAN devices.
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* Support activating profile multiple times via connection.multi-connect
  setting.
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* Add match setting to restrict a profile to devices based on
  a list of interface names with globbing supported.
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* Fix PrimaryConnection for VPN with default-route.
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* Add support for ethtool offload features.
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* Add support for configuring llmnr.
* Deprecate endian-dependent D-Bus API and add new API that can be
  used instead (rh#1153559).
* Add support for ip6gre/ip6gretap IP tunnels.
* Add support for detecting WireGuard interfaces (WireGuard VPN cannot
  be controlled via NetworkManager).
* Add support for configuring SR-IOV devices.
* Improve error reporting of activation when no device is available.
* Support reapplying changes of the route metric.
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* Support EAP profiles with iwd Wi-Fi backend and support iwd API 0.8.
* Expose slaves of OVS bridges and ports.
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* fix missing symbols in libnm ABI for settings.

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NetworkManager-1.12
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Overview of changes since NetworkManager-1.10
=============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Improved support for configuration checkpoint, including support in libnm.
* Added capability to set IP Tunnel configuration flags.
* The systemd-resolved DNS plugins now supports MDNS.
* systemd-resolved and dnsmasq DNS plugins now honor the DNS priority setting.
* Wi-Fi devices now support FILS for speedier roaming support.
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* Drop dependency on libnl3 library.
* Add support for "onlink" routes.
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* More robust connectivity checking.
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* Dropped the obsolete "ifnet" settings plugin,
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* Try harder to generate reasonable human-readable names for devices even if
  the hwdb contains garbage.
* Add an "overview" option to hide default values in nmcli, resulting in more
  concise output.
* Reworked the inner workings of D-Bus interface for better resource efficiency.
* Add support for configuring nmcli coloring via terminal-colors.d(5).
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* Added experimental support for Meson build system,
* Added initial IWD Wi-Fi daemon support.
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* A non-hexadecimal DHCPv4 client-id is now properly passed to
  dhclient with the first byte (type) set to zero, as stated in the
  documentation. This represents a change in behavior since previous
  versions where the first character of the string was used as
  type. The internal client is not affected by the change.
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* DNS setting rc-manager=file now always follows dangling symlinks
  instead of replacing /etc/resolv.conf with a plain file.
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* Added wake_on_wlan connection setting to configure
  wake-on-wireless-lan (WoWLAN).
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* The libnm-glib library, deprecated in favor of libnm since NetworkManager 1.0,
  is now not built by default. While it can still be enabled, the distributions
  should have a good plan for removing it if they need to keep shipping it at
  this point.
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* nmcli now scans for Wi-Fi networks before displaying them, if the last scan
  was too long ago.
* Added the ipv6.dhcp-duid property to allow configuring the DHCPv6 DUID
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* Extended ipv6.dhcp-client-id property to support DHCP client identifiers
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  depending on the MAC address and the stable ID.
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* Set NM_DISPATCHER_ACTION environment variable in dispatcher scripts.
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* Fix crash during reapply of connection settings
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* Fix connectivity timeout handling (bgo #794464),
* Retry activating devices when the parent becomes managed (rh #1553595),
* Correctly set the rp_filter value (rh #1565529).
* A fix to ensure teamd is respawned after daemon restart (rh #1551958).
* Better handle DHCP expiry (bgo #783391).
* Fix configuration of IPv6 over master interfaces (rh #1575944).
* ovs: fix compilation issue of OVS plugin and various fixes.
* team: add support for team runner "random".
* core: cleanup activation of device (rh #1537160).
* dhcp: retry indefinitely to renew the lease (rh #1503587).
* core: fix blocking autoconnect for no-secrets (rh #794014).
* libnm: mark async results as cancelled (bgo #794088).
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* Load jansson at runtime. This solves a clash with json-glib that caused
    a gnome-control-center crash, but also gets rid of a hard dependency.
* Correct nmcli exit values after receiving a signal.
* Fix libnm secret agent asynchronous initialization.
* Add a default route for a modem even if it didn't sent a gateway.
* Improve communication of DAD failures.
* Remember device default metrics across daemon restarts.
* Various bug fixes including possible crashes.
* Added support for 'onlink' IPv4 routes attribute.
* Wait longer for the carrier to come up after a MTU change.
* Implemented abstraction for team connections that exposes team
    configuration items as distinct properties.
* Added basic support for tc queueing disciplines and filters.
* Introduced an Update2() D-Bus method to update connection settings
  with more flexibility.
* Many bug fixes and improvements.

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Overview of changes since NetworkManager-1.8
============================================

This is a new stable release of NetworkManager.  Notable changes include:

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* NetworkManager includes now basic Open vSwitch support, good enough
    to be capable of setting up simple Open vSwitch configurations.
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* Added support for activating PPP connections on non-Ethernet
  interfaces.
* It is now possible to authenticate to a Wi-Fi network using WPS
    (Wi-Fi Protected Setup).
* Implemented support for Wi-Fi PMF (Protected Management Frames,
    802.11w), which can be configured via the wifi-sec.pmf property.
* Now the maximum rate of wireless access points supporting 802.11 is
    properly calculated and exposed on D-Bus.
* Background scanning is now disabled for non-WPA-Enterprise Wi-Fi
    networks.
* Added support for the Bluetooth NAP (Network Access Point) profile.
* Added support for disabling connectivity checking via the D-Bus
    interface.
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* The internal DHCP client now understands the domain-search option.
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* Bridge connections support the group-forward-mask property.
* NetworkManager can now configure multiple IPv6 default routes
    received through RA and each gets configured with the announced
    preference.
* It is possible to specify the routing table for each static route.
* Support specifying a explicit routing table for any non-static-route,
    including routes from DHCP, device-routes, IPv6 autoconf.
* Device are left configured when a user sets them as unmanaged by
    NetworkManager.
* New connection.auth-retry property to configure how often authentication
    is prompted before failing the configuration.
* The platform code that handles synchronization with kernel status
    via netlink has been reworked and is more efficient.
* Allowed the update of connections that have an associated ifcfg-rh
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    routing rules file.
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* Non-UTF8 properties are now escaped when they are exported on D-Bus.
* NetworkManager-wait-online.service now starts NetworkManager.service
    if needed.
* The MAC address for bond connections can be changed in nmtui.
* Fixed dependency problems when setting the MTU of VLAN and master
    devices.
* The systemd-resolved DNS plugin properly handles the DNS priority
    setting.
* Fixed setting a DHCP timeout greater than 60 seconds (dhclient).
* Fixed some memory leaks.
* Many other bug fixes and improvements.

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NetworkManager-1.8
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Overview of changes since NetworkManager-1.6
============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Default routes set by devices that failed connectivity checks are now
    penalized with a higher metric
* nmcli is now able to produce output more friendly for machine parsing
* The slaves available at the time a master connection is activated are
    enslaved in a stable order, making the automatic MAC address for Bonding
    devices more predictable.
* Hostname management is now more flexibly configured
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* Support for additional route options (pref-src, src, tos, window, cwnd,
    initcwnd, initrwnd, mtu, lock-window, lock-cwnd, lock-initcwnd, lock-initrwnd,
    and lock-mtu).
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* Fixed detection of EAP-FAST support in wpa_supplicant
* Support for handling PINs for PKCS#11 tokens as secrets
* GSM and CDMA connections now have a MTU property
* An option to disable selected TLS versions during EAP phase 1 authentication
* The 802.1x authentication timeout is now configurable to allow a faster
    fallback to other connections
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* Persist managed state of device until reboot. This improves seamless take over
    of a previously managed device after restart of NetworkManager.
* Better handle devices that are externally managed by somebody else by
    consistently generating an in-memory connection to reflect the external
    state.
* Expose SRIOV capability of a device on D-Bus and support configuring the
    number of virtual functions via NetworkManager.conf.
* Support matching networking devices via new "driver:" device spec in
    NetworkManager.conf.
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* Introduced support for creating and managing dummy links
* The teaming devices now support setting a hardcoded MAC address
* Settings of bonding devices can now be modified on-the-fly, without the
    need to reactivate a connection
* The failures to activate a connection now communicate better error
    responses to nmcli
* Dropped dependency on libgudev
* Reverse Path filtering is now disabled in multihoming configurations where
    it would interfere with legitimate network traffic
* libcurl is used instead of libsoup for connectivity checking, resulting in
    a smaller dependency footprint
* With DNS mode "rc-manager=symlink", don't write /etc/resolv.conf as
    a symlink if it already exists as a regular file.
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* Support attaching user-data in form of key-value pairs to connection profiles.
* Fix accpeting fully qualified name for ipv4.dhcp-hostname setting.
* Make NetworkManager more forgiving to failure to change the MAC address during
    scanning.
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* Many bug fixes and improvements

============================================
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NetworkManager-1.6
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Overview of changes since NetworkManager-1.4
============================================

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This is a new stable release of NetworkManager.  Notable changes include:
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* Added support for managing the MACsec links. Requires support in
    wpa_supplicant (version newer than 2.6).
* Support for configuration and discovery of Web Proxy settings with
    PacRunner service.
* The ipv6.method=shared is now supported, utilizing DHCPv6 Prefix
    Delegation option to obtain prefixes for the interface.
* Support for systemd-resolved local DNS forwarder backend.
* The configuration is now read from /run/NetworkManager/conf.d as well.
    This is useful for handing over configuration discovered on system
    startup to NetworkManager.
* The PPP manager can now be split into a separate package.
* Added initial support for PKCS#11 tokens with 802.1x authentication.
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* Introduced Vala bindings for libnm.
* NetworkManager would now keep most connections up on shutdown (except Wi-Fi
    connections, VPN connections and other kinds that can't be assumed on
    startup)
* The checkpoint/restore connection can now also remove new connections and
    disconnect devices that were activated since the checkpoint was taken.
* New connection.autoconnect_retries property that allows fine-tuning
    the autoconnect behavior.
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* Fix emission of NM-style PropertiesChanged signals and deprecate them
    for PropertiesChanged on "org.freedesktop.DBus.Properties" interface.
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* Change the meaning of unset "cloned-mac-address" settings from "permanent" to
    "preserve". This changes the default value and affects existing connections
    during upgrade that did not explicitly configure cloned-mac-address. This
    has the effect that externally configured MAC addresses are preserved
    by default instead of setting the permanent address (bgo#770611).
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* Avoid reading the permanent MAC address before the device is initialized
    by UDEV. This avoids a race where NetworkManager might detect the MAC
    address of the wrong interface.
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* The cloned.mac-address property can now be used with Bond and Bridge
    devices.
* The ifcfg parsing code has been reworked for better compatibility with
    actual shell variable files.
* nmtui now supports creating and editing IP tunnel connections.
* The libnm client library now uses the D-Bus ObjectManager API that allows
    for quicker initialization of the clients.
* nmtui now utilizes the asynchronous libnm client API to paralellize
    communication with the daemon, reducing the client startup time.
* Ethernet devices now use "802-3.speed" and "802-3.duplex" properties to
    allow controlling overriding the negotiated link parameters.
* Order in which IP addresses are configured is now preserved so that
    primary address is selected correctly.
* Details of the DNS information obtained from the connections is now
    exposed on the D-Bus and can be inspected with nmcli.
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* Fixed race conditions when renaming interfaces, for example as done
    by UDEV for persistent interface naming. This could cause detecting
    devices as the wrong hardware type.
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* Added the support for DHCPV6_HOSTNAME and DHCPV6_SEND_HOSTNAME keys in
    ifcfg files that control "dhcp-hostname" and "dhcp-send-hostname"
    properties of the "ipv6" setting.
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* The stable-addressing for MAC address randomization and RFC7217 IPv6 stable
    privacy addressing can now be more flexibly configured using dynamic
    randomization seeds in "connection.stable-id".
    See "examples/nm-conf.d/30-anon.conf" for example use.
* When the master of Team, Bridge and Bond devices is specified as a connection
    UUID, the ifcfg-rh plugin now writes the master connection's interface name
    into the ifcfg file for improved compatibility with the legacy network service.
* Improve handling of MTU by resetting the previous MTU when the device deactivates
    and reset the MTU to a defined value on activation.
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* Improve tracking of parent devices for dependent devices like ip-tunnels, MACVLAN,
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    VETH, VLAN, and VXLAN.
* Many bug fixes and improvements
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============================================
NetworkManager-1.4
Overview of changes since NetworkManager-1.2
============================================

This is a new stable release of NetworkManager.  Notable changes include:

* The MAC address assigned to a device can now be set according to
    different policies: preserve, permanent, random, stable
* NetworkManager now waits for IPv6 DAD to terminate before completing
    the activation
* Added support for setting IPv6 tokenized interface identifiers
    through the 'ipv6.token' connection property
* Added a 'Reload' D-Bus method to reload configuration and reapply
    DNS configuration
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* Added ability to create a configuration checkpoints and rolling back
    changes after a timeout.
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* NetworkManager now follows symlinks when accessing resolv.conf and
    rc-manager is set to 'file'
* Added support for oFono as modem manager
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* The devices now exposes counters of transferred data
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* The 'may-fail' property of ipv4 and ipv6 settings is now respected
    more accurately
* The timeout for requests of secrets to agents has been increased
    from 25 to 120 seconds
* Name servers passed to dnsmasq now specify an egress interface to
    avoid problems with multiple active connections
* Reverse DNS entries for IPv6 are now added to dnsmasq, and IPv4
    reverse entries now honor the network prefix
* A new 'dns-priority' property of ipv4 and ipv6 settings can be used
    to tweak the order of servers in resolv.conf when multiple
    connections are active
* configure script accepts --enable-{address,undefined}-sanitizer
    options to build NetworkManager with GCC sanitizers
* The default resolv.conf manager can now be specified at build time
    using the --with-config-dns-rc-manager-default configure option
* NetworkManager is now compiled with --gc-sections to reduce
    executable size
* Added a new 'VPN_PLUGIN' logging domain
* It is now possible to change the configuration currently applied on
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    a device with 'nmcli device modify' and 'nmcli device reapply'
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* nmcli invoked without parameters shows an overview of the current
    network configuration
* The 'nmcli connection add' syntax has been extended and is now
    possible to pass properties (e.g. 'ipv4.dns') along with aliases
* nmtui now returns to initial menu after a sub-form exits
* Improved bash autocompletion for nmcli
* Now devices are disconnected before the system suspends, executing
    dispatcher scripts.  This allows external applications to be notified
    of the change in connectivity
* Dispatcher scripts are now called also when connectivity status
    changes
* Many other fixes and improvements

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============================================
NetworkManager-1.2
Overview of changes since NetworkManager-1.0
============================================

This is a new stable release of NetworkManager.  Notable changes include:

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* MAC addresses during Wi-Fi access point scanning are now randomized
    if wpa_supplicant supports PreassocMacAddr.
* Added an option to enable random MAC addresses for association to Wi-Fi access
    point (defaults to disabled).  Controlled with 'wifi.mac-address-randomization'
    property (MAC_ADDRESS_RANDOMIZATION key in ifcfg files).  Requires support from
    wpa_supplicant.
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* Wi-Fi scanning now utilizes wpa_supplicant's AP list.
* Added support for Wi-Fi powersave, configured with POWERSAVE key in ifcfg
    files.
* Added support for creation of more types of software devices: tun & tap,
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    macvlan, vxlan and ip tunnels (ipip, gre, sit, ip6ip6 and ipip6).
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* The software devices (bond, bridge, vlan, team, ...) can now be stacked
    arbitrarily.  The nmcli interface for creating master-slave relationships
    has been significantly improved by the use of 'master' argument to
    all link types.
* RFC7217 stable privacy addressing is now used by default to protect from
    address-based host tracking. The IPv6 addressing mode is configured with
    IPV6_ADDR_GEN_MODE key in ifcfg files.
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* Improved route management code to avoid clashes between conflicting
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    routes in multiple connections.
* Refactored platform code resulting in more robust interface to platform,
    less overhead and reduced memory footprint.
* Improved interoperability with other network management tools.  The
    externally created software devices are not managed until they're
    activated.
* The Device instances now exist for all software connections and the platform
    devices are now only created when the device is activated.  This makes it
    possible for connections with device of same name not to clash unless
    they're activated concurrently.  The links are now not unnecessarily present
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    unless the connection is active, avoiding pollution of the link namespace.
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* NetworkManager now correctly manages connectivity in namespace-based
    containers such as LXC and Docker.
* Support for configuring ethernet Wake-On-Lan has been added.
* Added LLDP listener functionality and related CLI client commands. Enabled via
    LLDP option in ifcfg files.
* CLI secret agent has been extended with support for VPN secrets.
* The command line client now utilizes colors for its output.
* The command line client now sorts the devices and properties for better
    clarity.
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* Numerous improvements to Bash command completion for nmcli.
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* NetworkManager relies on less external libraries.  The use of dbus-glib
    has been replaced with gio's native D-Bus support and libnl-route is no
    longer used.
* Dependency on avahi-autoipd has been dropped.  Native IPv4 link-local
    addressing configuration based on systemd network library is now used
    instead.
* Hostname is now managed via systemd-hostnamed on systemd-based systems.
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* Management of resolv.conf can be changed at runtime, private resolv.conf
    is always written in /run.
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* NetworkManager can now write DNS options to resolv.conf.
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* Added an option to enable the old-fashioned /etc/resolv.conf handling
   (using a symlink)
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* Updated version of systemd network library used for internal DHCP and
    IPv4 link-local support.
* Support for event logging via audit subsystem has been added.
* Support for native logging via systemd-journald has been added taking
    advantage of its structured logging.
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* Live reconfiguration of IP configuration after changing the settings without
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    reactivation of the device with "nmcli device reapply" command and via
    D-Bus API.
* The API for VPN plugins now supports multiple simultaneous connections.
    Most popular VPN plugins have been updated to support this functionality.
* The libnm library now provides API to access VPN service definitions.
* New DHCP_FQDN key in ifcfg files to configure the full FQDN to be sent to
    the DHCP servers.
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* The timeout for DHCP requests can now be modified using the
    'ipv4.dhcp-timeout' property.
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* Added multicast_snooping option to BRIDGING_OPTS ifcfg key.
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* Added support for detecting duplicate IPv4 addresses, with a timeout
    configurable through the ipv4.dad-timeout connection property.
* Fixed a race condition that could potentially lead to unauthorized access
    to connection secrets (CVE-2016-0764).
* dnsmasq configuration for shared connections can now be extended by
    placing custom files in /etc/NetworkManager/dnsmasq-shared.d/.
* Generic devices are no longer assumed unless explicitly requested by
    user.
* The reorder-header VLAN flag setting is now honored; to keep backwards
    compatibility in behavior, an existing REORDER_HDR=0 ifcfg-rh key is
    ignored; the flag must be disabled with VLAN_FLAGS=NO_REORDER_HDR.
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* NetworkManager now checks the connection data from client for validity
    and gracefully handles unknown properties in client. This improves
    interoperability between the server and clients of different versions.
* The activation of a VLAN device with a virtual parent that is inactive
    now results in a parent being activated first.
* The server name used with 802.1x authentication can now be constrained
    to a particular domain suffix (CVE-2006-7246).
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* Fair amount of bugs was fixed and robustness was generally improved.
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The following features were backported to 1.0.x releases from 1.0.0 to 1.0.10
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are also present in NetworkManager-1.2:

* Added support for handling VPN secrets to nmtui and nmcli agent.
* The team devices can now properly be enslaved to bridges.
* Failed DHCP attempts for assumed connections are now retried after
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    a timeout.
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* Default wired connection is now created after udev registers the device.
* Support for Bluetooth DUN devices with Bluez 5 has been fixed.
* The 'ipv6.ignore-auto-dns' property is now properly honored making it
    possible to override automatically obtained name servers.
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* Invalid permanent MAC addresses as reported by some devices are now
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    ignored.
* Device links reported by more recent versions of Linux kernel that reside
    in different network namespaces are no longer confused with links in
    the namespace NetworkManager runs in.
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* MAC address changes of bond or team devices are now properly propagated
    to VLANs created on the device.
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* Fixed error handling for teaming devices with invalid configuration.
* Wi-Fi AP list is now updated correctly after AP mode has been used.
* The error handling for VPN secret agents is now significantly more robust.
* Detection of s390 CTC devices now works properly.
* A GATEWAY key in in /etc/sysconfig/network now no longer affects
    non-static connections.
* Added support for IPv6-only VPN connections.
* The systemd service now uses HUP signal to reload configuration.
* Change VLAN default flags to set REORDER_HDR for new connections.
* nmtui is now able to ignore automatically configured routes.
* Allow setting IPv6 and PPP settings for GDM and CDMA connections via
    nmcli.
* Added support for adding ADSL connections in nmcli.
* Improved capture portal detection.
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* Default route through Wi-Fi connection is now preferred to Mobile
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    Broadband if both are available.
* Expose a flag to determine whether a particular connection is metered
    via API and client tools. Configurable in ifcfg with CONNECTION_METERED
    key.
* Add support for locking connections to a channel within a particular
    band.
* Add support for configuring Wake-on-LAN capabilitites.
* Allow overriding the MTU for team device.
* The MTU setting from an IPv6 neighbor discovery Router Advertisements is
    now ignored if applying it would result in invalid configuration.
* Some configuration options can now be changed without restarting the
    daemon. Notably, this applies to 'dns', 'connectivity' and
    'ignore-carrier' settings.
* The connection activation was made more robust. If an active connection
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    is reactivated, the device it is active on takes precedence. If an attempt
    is made to activate a connection on a different device than the one it is
    active on, the activation proceeds removing the connection from the active
    device.
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* The device specifiers in configuration files now support negation via
    'except:' match.
* Devices that only have IPv6 link-local address are no longer assumed to
    be connected.
* nmcli now provides hints and tab-completion for enumeration properties.
* If the IPv6 interface tokens are set they are honored when creating an
    interface identifier for IPv6 addressing.
* NetworkManager now maintains correct routing configuration when multiple
    interfaces are connected to the same network.
* The management of devices can now be controlled with udev rules. The veth
    devices as well as the virtual Ethernet devices of various
    virtualization tools (VMWare, VirtualBox, Parallels Workstation) are
    now ignored by default.
* The IPv6 privacy extensions are now enabled by default and handling of
    the ip6-privacy sysctl has been improved.
* Activating a Bond, Bridge or Team device can now optionally activate the
    slave connections as well. The behavior is controlled with
    'connection.autoconnect-slaves' property and AUTOCONNECT-SLAVES key in
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    ifcfg files.
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* The platform support code has been refactored, resulting in better
    scalability in large configurations.
* Changes to network interfaces configuration done outside NetworkManager
    are now picked up and exposed to the user via NetworkManager API and tools.
* A connection can now optionally leave externally configured default route
    in place instead of overriding it. The behavior is controlled with
    'ipv4.never-default' and 'ipv6.never-default' properties.
* nmcli allows multiple devices for 'nmcli device disconnect/delete'.
* Firewall zone is added to firewalld for device-based VPN connections too.
* Wi-Fi devices now indicate support for 2GHz and 5GHz frequencies
* "nmcli device" output now indicates physical port ID
* New config items added to the 'ifcfg-rh' plugin:
  - IPV4_ROUTE_METRIC and IPV6_ROUTE_METRIC
  - DEVTIMEOUT
  - IPADDR and PREFIX are now supported for specifying address ranges of
      shared IPv4 connections
* Dispatcher scripts now get a CONNECTION_FILENAME variable with the path
    to the configuration file for the connection
* An example dispatcher script that is able to apply complex routing rules
    (such as setting up policy-based routing) for 'ifcfg-rh' connections was
    added to examples/dispatcher/.
* 'mode' key of Bond device options property now accepts numeric values
* Connection attempts for devices without carrier on startup now wait for
    carrier to appear within a short timeout instead of failing
    immediately. This makes system startup more robust.
* Bridge connectivity is now properly restored on resume from suspend
* The D-Bus name is acquired earlier during the daemon startup. This makes
    it possible for the systemd service manager to optimize the service
    startup so that services that require networking are activated sooner
    contributing to faster system start up time.
* A lot of memory leak problems were fixed, resulting in reduced memory usage.
    Many of them were discovered as a result of improvements in use of
    Valgrind in the testing infrastructure.
* Management of 'teamd' daemon instances for Team devices is now more robust.
* The 'dnsmasq' daemon respawns when it terminates and it is configured for
    management of DNS resolver configuration
* Hostnames that are not fully qualified are no longer sent to a DHCPv6
    server for a dynamic DNS update
* Connection UUIDs are now checked for uniqueness when connection
    configurations are read
* Receipt of a NDP Router Advertisement can no longer lower the IPv6 hop
    limit (CVE-2015-2924)

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===============================================
NetworkManager-1.0
Overview of changes since NetworkManager-0.9.10
===============================================

This is a new stable release of NetworkManager.  Notable changes include:

* A new 'libnm' GObject-based client library to replace libnm-util/libnm-glib
  - IP address, IP route, hardware address, and other properties are now
      represented as strings
  - Based on GIO's GDBus bindings instead of dbus-glib
  - Uses modern GObject APIs including GAsyncResult and GVariant
  - For more information see https://wiki.gnome.org/Projects/NetworkManager/libnm
* Devices and VPN connections now have individual default routes.  Priorities
    are handled through configurable route metrics.
* nmcli now supports password requests and PolicyKit authorizations
* A faster, lighter-weight (though less capable) internal DHCP client has been
    added and may be selected with the "dhcp=internal" option.  It supports
    fewer DHCP options and does not yet support DHCPv6.
* A new 'configure-and-quit=yes' option has been added for environments with
    less dynamic network configuration
* When running on 3.17 and later kernels, NetworkManager handles IPv6LL address
    assignment to ensure that IPv6 connectivity is not enabled until
    intentionally configured by the user
* NetworkManager no longer causes the nl80211 kernel module to be loaded on
    systems with no Wi-Fi devices
* Bluetooth DUN support now works with Bluez 5.x
* VPN connections can now persist across link changes and suspend/resume if
    their VPN plugin supports this feature
* A new 'ibft' settings plugin has been added to support firmware-based
    iBFT/iSCSI configurations.  This functionality has been moved to 'ibft'
    from the 'ifcfg-rh' plugin.
* IPv6 router advertisement MTUs are now respected
* NetworkManager no longer requires polkit libraries at runtime when Polkit
    support is enabled, and Polkit can be disabled at build time too
* Automatically created connections are now deleted when their device goes away
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* 'nmcli dev connect' now attempts to create a connection if none exists
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* Manually configured static IPv6 configuration is kept even if SLAAC fails
* Manpages for the 'keyfile' and 'ifcfg-rh' plugins now describe their
    configuration syntax and available options
* WWAN connections now support IPv6 if the modem and provider support IPv6
* Software devices (bridge, bond, team, etc) can now be deleted from the D-Bus
    API or with nmcli
* The manpages, documentation, and API annotations have received many cleanups
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* Externally created virtual interfaces are no longer managed by NetworkManager
    until they are set "up" or activated via nmcli
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* Team device support is now an optional plugin
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==============================================
NetworkManager-0.9.10
Overview of changes since NetworkManager-0.9.8
==============================================

This is a new stable release of NetworkManager.  Notable changes include:

* Added a new curses-based client called "nmtui" for easier console operation
* Added interactive connection editing and creation mode to nmcli with detailed
    help and tab completion support
* nmcli bash completion has been greatly improved
* Added support for Data Center Bridging (DCB) and FibreChannel over Ethernet (FCoE)
* IPv6 autoconfiguration is now done in userspace with libndp instead of the kernel
* The D-Bus daemon is no longer required for root-only operation
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* Wi-Fi, ADSL, WWAN, and Bluetooth are now optional plugins, reducing install size
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* Added support for Infiniband Partitions
* Network connection files are no longer watched by default, use "nmcli con reload"
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    to notice changes made externally or set "monitor-connection-files=true" in
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    NetworkManager.conf's [main] section
* Connections can now be locked to interface names in addition to hardware/MAC addresses
* A new "ignore-carrier" configuration option is available to ignore the carrier
    on selected interfaces
* A new "dns=none" option has been added to suppress changes to /etc/resolv.conf
* Changes made to IP addresses, IP routes, and master/slave relationships from
    external tools are now recognized and reflected in the D-Bus API
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