net-im/empathy

[c4pp4]

Ubuntu changelog: Revert to the 3.12.x branch, 3.25.90 introduces some regressions and upstream advises distributors should ship 3.12.14 instead

see:

• http://changelogs.ubuntu.com/changelogs/pool/universe/e/empathy/empathy_3.25.90+really3.12.14-1ubuntu1/changelog
• https://bugs.launchpad.net/ubuntu/+source/empathy/+bug/1722583