Unreal Engine Issues
Unreal Engine Issues
Enable Collision checkbox does not affect static meshes from static mesh editor when set to false
Tools - Nov 24, 2015Setting the Enable Collision checkbox to false in the static mesh editor does not alter collision on static mesh objects. ...
Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse
UE - Editor - UI Systems - May 12, 2017Spin Box delta does not appear to affect how the spin box increments through its values when clicking and dragging with the mouse. The spin box appears to increment/decrement by more or less dependi ...
Changing preview mesh appears to affect initial transforms of all control rigs in level viewport
UE - Anim - Rigging - Control Rig - Apr 16, 2024It seems that switching the preview mesh in the control rig editor is affecting the initial transforms in the hiearchies of related control rigs in the level viewport. This seems to be due to the c ...
Migration from 4.12.5 to 4.13 can result in Blueprint functions losing input/ouput variables
UE - Gameplay - Blueprint - Sep 5, 2016When migrating project from 4.12.5 to 4.13, Blueprint functions can lose input/output variable links. ...
Shader Complexity does not function properly with Android ES2 or ES3.1 set as the Preview Rendering level
UE - Platform - Mobile - Feb 25, 2019A user has reported that Shader Complexity is not working properly in 4.21 with the Android ES2 or 3.1 preview rendering level settings. Regression?: No It did not look this way in 4.21 and prior v ...
ResavePackages commandlet (buildlighting) fails/asserts on reflection captures in non-visible sub-levels
UE - Graphics Features - May 13, 2025When building reflection captures through the ResavePackages commandlet, it frequently triggers an ensure inside of ReflectionEnvironmentCapture.cpp. If distributed shader builds start causing prob ...
Niagara - When Interpolated Spawning is disabled, the first frame of each particle unexpectedly does not take into account the Particle Update stage
UE - Niagara - Feb 28, 2025Foreword: Even if the behavior described here is by design, it is rarely (if ever) expected or desired. This was discussed and agreed to be treated as a bug. Explanation below. When interpolated sp ...
Post process in Right eye misaligned on PSVR when using vr.PixelDensity greater then 1
UE - Platform - XR - Sep 5, 2019When changing the pixel density for PSVR it appears that some post processes shift slightly in the Right eye ...
The size of packaged projects in 4.7 preview 8 is almost double that of the same project in 4.6.1
UE - Gameplay - Feb 17, 2015Packaged projects in 4.7 preview 8 are significantly larger than the same projects in 4.6. Packaged projects for comparison: \\epicgames.net\root\contractors\Tim.Lincoln\Packaged Projects ...
Video length indicator no longer works
TM - Tools - Oct 21, 2025Reported in SF [Link Removed] In videos containing multiple parts, the cumulative time indicator that shows the full length of the video no longer works correctly and will incorrectly display a len ...