Unreal Engine Issues
Unreal Engine Issues
Incorrect box collision on negatively scaled mesh
UE - Simulation - Physics - Jul 23, 2018If you have a mesh with a rotated box in its simple collision primitives, that box won't be in the correct position if you scale the mesh by -1. This issue was reported in 4.20 (CL-4212847) and rep ...
Can't call Load Stream Level in a Blueprint function
UE - Gameplay - Jul 27, 2018"Load Stream Level" can be called in the Event Graph of any Blueprint but it can't be called in a Blueprint Function or Function Library. This was reported in and tested in 4.19 (CL-4033788) and re ...
CurrentTransaction ensure when duplicating an EQS generator
UE - AI - Aug 3, 2018When duplicating a Generator inside an Environment Query, the action triggers an ensure and stalls the Editor for a few moments. This issue was reported and tested in 4.19.2 (CL-4033788). It was r ...
Editor crashes if Sequencer has keyframes for a variable that has changed
UE - Anim - Sequencer - Sep 19, 2018The Editor crashes if loaded sequence has keyframes for an actor variable that has been changed, instead of soft erroring out. This was reported and tested on 4.20.3 (CL-4369336). It was reproduced ...
Billboard Component Flickers Between Textures When Using Set Sprite Node
UE - Graphics Features - Nov 8, 2018When using a Set Sprite node with a billboard component, the texture assigned will flicker between the two possible textures. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4541578, 4.2 ...
Copy+Paste with custom widget seems to "break link" with default values
UE - Editor - UI Systems - Nov 8, 2018It should be noted that this issue does not occur if you were to create a new "test widget" (by dragging it from the widget list) every time instead of copying and pasting an existing widget. The i ...
Setting Lightmap Coordinate Index Past 3 Causes Mesh to Get No Lightmap Information
UE - Graphics Features - Nov 20, 2018Meshes with their Lightmap Coordinate Index set to anything over 4 will not be lit by static or stationary lighting. Found in CL# 4.19 4033788, 4.20 CL# 4369336, 4.21 CL# 4541578, 4.22 CL# 4573698 ...
Alpha Compression Artifacts
UE - Graphics Features - Nov 23, 2018Confirmed in Main 4.22 @ CL 4586854 in 4.21 Alpha looks to be about 1 pixel larger than other channels in certain parts of the texture "The issue is not improved by changing compression settin ...
Editor Unable to Find Mali Offline Compiler On Mac
UE - Platform - Mobile - Dec 7, 2018Material Editor is unable to find the Mali Offline Compiler on Mac. This inhibits you from looking at platform stats for Android. Working as expected in 4.20 CL# 4369336 Found in 4.21 CL# 4613538, ...
Unable to change Blueprint Child Variable values in Python
UE - Editor - Workflow Systems - Dec 20, 2018Using the Python function unreal.SystemLibrary.set_bool_property_by_name() to change the default variable values of a child Blueprint do not work as intended. Tested in 4.20.3 (CL - 4369336), 4.21. ...