1.5 is a new version in portage and Qt5 only but only release candidate. I've been using this version for a long time and didn't have any issues. Related to this: https://bugs.gentoo.org/show_bug.cgi?id=620684
The bug has been referenced in the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=cc1888c53ca75eb52e927bed35f7c5be2751d8bf commit cc1888c53ca75eb52e927bed35f7c5be2751d8bf Author: Michael Palimaka <kensington@gentoo.org> AuthorDate: 2017-09-29 03:46:08 +0000 Commit: Michael Palimaka <kensington@gentoo.org> CommitDate: 2017-09-29 03:46:50 +0000 app-text/goldendict: stabilise 1.5.0_rc2-r1 for amd64/x86 Bug: https://bugs.gentoo.org/625260 Package-Manager: Portage-2.3.8, Repoman-2.3.3 app-text/goldendict/goldendict-1.5.0_rc2-r1.ebuild | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)}