Unreal Engine Issues
Unreal Engine Issues
Vertex Interpolate Node Doesn't Work with Lightmass
UE - Graphics Features - Lumen - Aug 8, 2018The vertex interpolate node doesn't work with lightmass. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, and 4.21 CL# 4258917 ...
Cascade Alpha Over Life Module Doesn't Interpolate Vaules That Differ in .05 or Less With "Can Be Baked" Enabled
UE - Niagara - Aug 16, 2018Alpha over life module doesn't interpolate vaules that differ in .05 or less with "Can Be Baked" enabled. Found in 4.19 CL# 4033788, 4.20 CL# 4233996, 4.21 CL# 4291146 ...
Updating a material layer may not update materials that are using that material layer instance
UE - Rendering Architecture - Materials - Jan 7, 2022Material layer instances do not generate a valid UMaterialFunctionInterface::StateId. For this reason, materials and material instances that use material layer instances will not recompile their sh ...
FXAA doesn't work if you replace the tonemapper with a material postprocess
UE - Graphics Features - Sep 1, 2016As reported on UDN. If using a custom postprocess which replaces the tonemapper, FXAA doesn't work. ...
Sequencer UpdateTimeCursorPosition can set TimeCursorPosition beyond the end of the track when stopping
UE - Anim - Sequencer - Oct 11, 2016After calling Stop() in UpdateTimeCursorPosition (LevelSequencePlayer.cpp:392), we continue on to set TimeCursorPosition to NewPosition. At this point, NewPosition is beyond the end of the track. A ...
Evaluate ClampedPow material function
UE - Graphics Features - Mar 16, 2017ClampedPow seems to have been added as a way to tackle common compile warnings and edge cases (particularly NaNs), but the code shouldn't be calling both an abs() then a max(). This causes negative ...
Investigate crash reported with 4.16 on Sony Xperia Z3 running Marshmallow
UE - Platform - Mobile - Jun 28, 2017A user has reported a crash that is occurring on his Sony Xperia Z3, https://answers.unrealengine.com/questions/667998/4161-dev-build-app-crashes-on-start-unfortunately.html The user has attached ...
Missing Service Node warning when opening project
UE - AI - Sep 24, 2018Services in the Behavior Tree sometimes don't work when the project is first loaded. The Behavior Tree will print a "missing service node" warning and the BT will remain inactive. This was reported ...
Contact Offset no longer appears to have an effect
UE - Simulation - Physics - Jan 15, 2019When modifying the contact offset in a project it appears to have no effect. The setting that worked in a previous engine version (4.19) now collide in the same way as the default settings. ...