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+++ b/UPDATING
@@ -5,6 +5,20 @@ they are unavoidable.
You should get into the habit of checking this file for changes each time
you update your ports collection, before attempting any port upgrades.
+20200308
+ AFFECTS: users of graphics/mesa-libs and legacy graphics drivers
+ AUTHOR: zeising@FreeBSD.org
+
+ The mesa OpenGL library (graphics/mesa-libs) has been switched to use DRI3
+ by default, instead of the older DRI2 interface. This might cause regressions
+ when using the legacy graphics drivers, either through
+ graphics/drm-legacy-kmod or the graphics drivers in base.
+
+ If you experience issues when running OpenGL applications it is possible
+ to force the use of DRI2 by setting the LIBGL_DRI3_DISABLE environment
+ variable to 1 before starting any OpenGL application. The easiest way to
+ do this is by adding it to either your shell startup files or .xinitrc.
+
20200306
AFFECTS: users of databases/mysql80-server
AUTHOR: joneum@FreeBSD.org