Unreal Engine Issues
Unreal Engine Issues
Changing UPROPERTY() settings causes detail components to vanish in editor
Tools - Mar 11, 2015When a UPROPERTY() macro is changed and the recompiled, the hot reload in the editor will cause any BP based on the class to lose certain aspects of the Detail panel such as the actor's transform. ...
Bool input pins connected to boolean logic nodes can fail to compile
UE - Anim - Runtime - Oct 1, 2021Bool input pins will fail to compile when connected to a boolean logic node and the node also has a float input pin that is currently connected. Compilation will fail with the error Default value ' ...
Fatal error when pausing and sleeping when using Launch Windows Game
UE - Graphics Features - Nov 13, 2017When using the pause command in a launched game and putting the computer to sleep it causes the fatal error "GameThread timed out waiting for RenderThread" when logging back in and resuming work on ...
Moving an actor between levels causes properties marked DuplicateTransient to reset to default
Tools - Nov 22, 2017Currently, properties marked DuplicateTransient will be reset to default when their actor is moved to a different level. This happens because we use the clipboard to virtually cut the actor out of o ...
Montage keyframes calculation error
OLD - Anim - Apr 28, 2016Animations are not showing proper length when converted to Montage. Up to 98 frames (AFAIK) when converted to Montage, the Montage will show the correct number of keys. However, a 100-frame anima ...
Black screen on Android devices with a Mali 400
UE - Platform - Mobile - Dec 10, 2014When using the Launch on Feature with a Mali 400 Device, the project, once locked on, will appear black on 4.6 and will crash on CL# 2375758. This error occurs on new projects. Tappy Chicken Run fi ...
EarlyZPassOnlyMateriaMasking Makes Masked Materials on Particles Flicker When Close to the Camera
UE - Niagara - Oct 12, 2018When "r.EarlyZPassOnlyMaskedMaterials" is enabled, masked materials used with particles will flicker when close to the camera. Found in 4.17 CL# 3658906, 4.18 CL# 3832480, 4.19 CL 4033788, 4.20 CL# ...
Ensure triggered when exiting PIE with dedicated server options
UE - Networking - Mar 22, 2017When "Use Single Process" and "Use Less CPU when in Background" are checked off, running a dedicated server in PIE will cause an ensure on exit Regression: Yes - Behavior does not occur in binary 4 ...
Showing black screen when drawing Distortion and DOF on Android
UE - Platform - Mobile - Jan 13, 2019[Link Removed]I think it is because that the "bOnChipSunMask " is false as Distortion activated (MobileShadingRenderer.cpp line 378), the "UseFetch" is true as the Android device support shader fra ...
Assigning APX Cloth asset to material element
UE - Simulation - Physics - Character - Jun 17, 2016When assigning an imported apx file to the clothing drop down under the material element of this imported Skeletal Mesh will result in a crash. Tested in: 4.11.2 CL-2946394 4.12.3 CL-3013449 Dev ...