- the first commit adds sequences for symbols
ɔ, which I couldn't find anywhere in Compose.pre. This adds new symbols.
- the second doesn't add new symbols, but adds extra sequences with
ɚif your keyboard layout doesn't allow for
All the symbols above are used in the IPA, as can be seen in the commit messages. (Links point to Wikipedia, but it should be easy to find other examples of use of these symbols anywhere.)