Unreal Engine Issues
Unreal Engine Issues
Font advance and fallback font metrics have issues in 4.16
UE - Editor - UI Systems - Slate - Jun 5, 2017There were some font regressions in 4.16 that we've since fixed (CL# 3456916 and CL# 3425681). These are affecting live users so we should get them into the next 4.16 build. ...
Lighting Channels Do Not Function with 78+ Lights on Actor
UE - Graphics Features - Oct 20, 2017Lighting channels do not function when the number of lights affecting actors is 79 or higher. Any number of lights that is 78 or fewer will honor lighting channel assignments. ...
Unable to Play Sequence in PIE when changing levels in C++ with ClientTravel()
UE - Anim - Sequencer - Oct 25, 2018Changing levels with ClientTravel() breaks ability to activate sequence. Client Travel API: [Link Removed] Confirmed in 4.22 MAIN at CL 4503321 ...
Assertion failed: PlatformNeedsExtraDeletionLatency()
UE - Rendering Architecture - RHI - Mar 5, 2019Animating a HISM along a spline when many other HISMs are present will result in a crash in 4.22. Confirmed in 4.23 MAIN @ CL 5291468 ...
Screen Aligned(Velocity) particles deform at low velocity
UE - Niagara - Nov 22, 2019Screen aligned particles with very low velocity will squash in 4.23+ (No squashing in 4.22) Confirmed in 4.25 MAIN at CL 10333042 ...
NavMesh does not build correctly to SkeletalMesh collision
UE - AI - Mar 16, 2015NevMesh cuts out holes for collision incorrectly with Skeletal Meshes. Skeletal Meshes with "Can Ever Affect Navigation" set to true and that have a Physics Asset are capable of causing this. ...
OnUrlChanged does not fire on mobile
UE - Platform - Mobile - Sep 28, 2017When using On Url Changed event on mobile devices, the event does not appear to fire as expected. Tested on iphone 5 As a note: The function GetUrl appears to be similarly affected. ...
Error on Attempting to Save Map Containing Actor Sequence Component
UE - Anim - Sequencer - Sep 28, 2017colored text+Link to screencast of repro steps: + [Link Removed] -May take some clicking around even between windows -Will not save after this -Does not affect 4.16 ...
Blueprint Android app installers are named *UE4Game*.bat
UE - Platform - Mobile - Jun 4, 2018In 4.19 blueprint-based apps are named after the project name, but in 4.20 they are all called Install_UE4Game-armv7-es2.bat. This also affects the Uninstall_*.bat ...
FBX export - BP StaticMesh Scales from Mesh Origin
Tools - Dec 13, 2018Unexpected behaviour with meshes scaled via BP and exported via .fbx (.obj looks to function as expected) Confirmed in 4.22 Main CL 4648854 ...