XQuartz 2.7.10 has been released. OS X 10.6.3 or later is required to install this package.

I did some very limited (MOE and PYMOL) testing under Mac OSX 10.12 (Sierra) and didn’t find any issues. Changes in 2.7.10 All changes in 2.7.9 plus

app

• mkfontdir
• Fix a buffer underrun crash (#96905) quartz-wm
• Properly handle updates to WM_PROTOCOLS property changes (#92652)
• xinit
• Fixed support for enabling TCP server connections (#95379)
• Added support for enabling IGLX (#96260)
• defaults write org.macosforge.xquartz.X11 enable_iglx -bool true
• xterm 326

proto:

• xcb-proto 1.12
• xproto 7.0.31

lib:

• fontconfig 2.12.1
• CVE-2016-5384
• freetype 2.7
• libpng 1.5.27
• libpng 1.6.25
• libxcb 1.12
• libX11 1.6.4
• libXfixes 5.0.3
• libXfont 1.5.2
• Fix a buffer overrun (#83224)
• libXfont2
• Fix a buffer overrun (#83224)
• libXi 1.7.7
• libXrandr 1.5.1
• libXrender 0.9.10
• libXt
• libXt.6.dylib is now a two-level-namespace dylib
• libXt.7.dylib is now a stub dylib that re-exports libXt.6.dylib (for binary compatibility with anything built against XQuartz 2.7.9)
• A flatnamespace version of libXt is available in /opt/X11/lib/flatnamespace to help ease the transition (#96292)
• Set DYLDLIBRARYPATH=/opt/X11/lib/flat_namespace when executing older non-compliant software (eg: Motif-based applications)
• Motif users are encouraged to file bugs against Motif to encourage them to fix that library.
• libXtst 1.2.3
• libXv 1.0.11
• CVE-2016-5407
• libXvMC 1.0.10
• mesa 11.2.2
• xcb-util-cursor 0.1.3

server:

• xorg-server 1.18.4 plus other patches
• Fix the issue where the h key could be come “stuck” after hiding XQuartz with cmd-h (#92648)