The readme file in darktable sources have an error, it still says LUA 5.3 is required, which is outdated (bug on darktable is allready issued). According to the RELEASE_NOTES.md, LUA 5.4 is required. ebuild update is needed, I suppose
Here is the upstream bug: https://github.com/darktable-org/darktable/issues/10722 a pullrequest is already on its way
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=97691ac153bf744b0298b1a889a5dabb5c3217b1 commit 97691ac153bf744b0298b1a889a5dabb5c3217b1 Author: Marek Szuba <marecki@gentoo.org> AuthorDate: 2021-12-28 23:24:09 +0000 Commit: Marek Szuba <marecki@gentoo.org> CommitDate: 2021-12-28 23:24:15 +0000 media-gfx/darktable-3.8.0: fix LUA_COMPAT Starting with 3.8.0 Darktable requires lua-5.4. Closes: https://bugs.gentoo.org/830171 Signed-off-by: Marek Szuba <marecki@gentoo.org> media-gfx/darktable/darktable-3.8.0-r1.ebuild | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)