I don't see any evidence that telegram-desktop depends on gdk-pixbuf at all in fact. gdk-pixbuf-xlib was removed in v2.42.0.
in ldd: libgdk_pixbuf-2.0.so.0 => /usr/lib64/libgdk_pixbuf-2.0.so.0
https://github.com/telegramdesktop/tdesktop/blob/3a45957ceb2f90407070a57ea37832976e0fa356/Telegram/SourceFiles/platform/linux/specific_linux.cpp#L301
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=22140f12d1af6886a16a597e57d96cb67c6df7aa commit 22140f12d1af6886a16a597e57d96cb67c6df7aa Author: Georgy Yakovlev <gyakovlev@gentoo.org> AuthorDate: 2020-11-10 20:46:43 +0000 Commit: Georgy Yakovlev <gyakovlev@gentoo.org> CommitDate: 2020-11-10 21:19:55 +0000 net-im/telegram-desktop: revbump, adjust gdk-pixbuf dep Bug: https://bugs.gentoo.org/753920 Package-Manager: Portage-3.0.9, Repoman-3.0.2 Signed-off-by: Georgy Yakovlev <gyakovlev@gentoo.org> .../{telegram-desktop-2.4.7.ebuild => telegram-desktop-2.4.7-r1.ebuild} | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
ok should be fixed now. no longer requires [X] on pixbuf.