master is now 27.0.50 and an emacs-26 branch is added. So =app-editors/emacs-vcs-26.0.9999 needs to switch to the emacs-26 branch and =app-editors/emacs-vcs-27.0.9999 can be added for the master branch. (The emacs-26 branch currently specifies its version as 26.0.60.)
The bug has been closed via the following commit(s): https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=d14b3d2a995423537aa71c9e86a60d2fac28d853 commit d14b3d2a995423537aa71c9e86a60d2fac28d853 Author: Ulrich Müller <ulm@gentoo.org> AuthorDate: 2017-09-19 11:45:26 +0000 Commit: Ulrich Müller <ulm@gentoo.org> CommitDate: 2017-09-19 12:09:39 +0000 app-editors/emacs-vcs: Upstream branched for release. 26.0.9999-r1 is the live ebuild for the emacs-26 branch. 27.0.9999 is the live ebuild for master. Closes: https://bugs.gentoo.org/631318 Package-Manager: Portage-2.3.8, Repoman-2.3.3 .../emacs-vcs/emacs-vcs-26.0.9999-r1.ebuild | 386 +++++++++++++++++++++ ...26.0.9999.ebuild => emacs-vcs-27.0.9999.ebuild} | 2 +- 2 files changed, 387 insertions(+), 1 deletion(-)