configure still uses https://bugs.freedesktop.org/enter_bug.cgi?product=pkg-config for PACKAGE_BUGREPORT
From the low hanging fruit department... I'm building pkg-config 0.29.2 from the release tarball. I noticed
/* Define to the address where bug reports for this package should be sent. */ #define PACKAGE_BUGREPORT "https://bugs.freedesktop.org/enter_bug.cgi?product=pkg-config"
When I followed the link for an earlier report, the web page said the location for bug reports is GitLab, not the target of the URL.
It may be a good idea to change the URL to