The 4.12.3 Hotfix is now live! This hotfix resolves a few important issues and and restores the option to opt out of submitting crash reports.
Feel free to discuss this release on the 4.12 Forum thread.
If you experience a bug with the 4.12.3 Hotfix, please remember to log a bug report for the issue on the UE4 AnswerHub to the Bug Reports section.
Fixed in 4.12.3
Fixed! UE-31735 Get Class Defaults node disconnects output pins when project upgraded from 4.11 to 4.12
Fixed! UE-31743 Components derived from scene component reset vector location upon closing and re-opening editor
Fixed! UE-31812 CrashReporter Client has no options to close without sending
Fixed! UE-31789 GitHub 2484 : Git Plugin: fix the Submit To Source Control menu broken by new “migrate” support in 4.12 (and master)
Fixed! UE-31702 Assertion opening blueprint with HISMC created in 4.11
Fixed! UE-30934 GitHub 2406 : Git plugin: Fix for Git diff not working in UE 4.12 (and master)
Fixed! UE-31265 GitHub 2432 : BUGFIX: ProceduralMeshComponent crashes game
Fixed! UE-31578 [CrashReport] UE4Editor_Renderer!InjectTranslucentLightArray() [translucentlighting.cpp:1578]
Fixed! UE-31851 Reflections have an extra vector offset than in 4.11
Fixed! UE-31787 Vive: Positional Latency w/ Rotation