This is already forcing stable users of kdenlive/mlt to use an unstable version of libav.
That is, if they chose +ffmpeg,+libav. media-video/ffmpeg does not have this stalled stabilisation issue.
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=fc6cbfc0d5644f0f2f2c3221ef87bfec44d21aad commit fc6cbfc0d5644f0f2f2c3221ef87bfec44d21aad Author: Andreas Sturmlechner <asturm@gentoo.org> AuthorDate: 2018-09-18 19:50:02 +0000 Commit: Andreas Sturmlechner <asturm@gentoo.org> CommitDate: 2018-09-18 19:53:10 +0000 profiles: base: Move vlc package.use.stable.mask to powerpc,x86 Closes: https://bugs.gentoo.org/657168 Closes: https://bugs.gentoo.org/663456 profiles/arch/powerpc/package.use.stable.mask | 5 +++++ profiles/arch/x86/package.use.stable.mask | 5 +++++ profiles/base/package.use.stable.mask | 6 ------ 3 files changed, 10 insertions(+), 6 deletions(-)