Unreal Engine Issues
Unreal Engine Issues
When running multiple clients in PIE the second player's inputs become toggled every tick when setting Input mode Game only on tick
UE - Editor - UI Systems - Slate - Jul 9, 2015A user has found that setting input mode to game only on tick will cause the client in PIE to toggle their inputs on and off every tick. If this test is run with a single player the inputs are const ...
Animation Orientation does not Auto-Convert to UE4 Coordinates when Reimporting
OLD - Anim - Nov 23, 2015Animation orientation does not auto-convert to UE4 coordinates when reimporting the same way it does when importing the same animation as a new import. In other words, a run animation generated from ...
Using 'Show Collision' in an execute console command node is crashing a packaged project.
UE - Graphics Features - Mar 30, 2015When packaging a project for any platform, If you have 'Show Collision' in an Execute Console Command, you will see the project crash once it is packaged. Log files from the crash have been attach ...
Anim Time Ratio Doesn't Factor In Pin Sequence
OLD - Anim - Aug 12, 2015In a transition rule, the time assessed in "Time Remaining Ratio" Node does not include/factor time from the Pin Sequence of the animation node. For instance, if the original animation is 20 frame ...
Screen Space Widget Component offset in Editor Viewport when using Windows Scaling
UE - Editor - UI Systems - Jul 23, 2018Using Windows scaling above 100% now causes Screen Space 3D Widgets to be offset. (Pressing F11 for fullscreen or launching will cause widget to appear in correct location) ...
Malformed command sent to UAT if BuildCookRun command ends with a trailing slash ("\")
UE - Foundation - Cpp Tools - Feb 14, 2019Including a trailing slash ("\") at the end of a BuildCookRun command sent to UAT results in UAT receiving a malformed command. If the command ends with a slash, the resulting command that UAT recei ...
The Find Node Can Crash on Compile After a Blueprint Compile Error
UE - Gameplay - Nov 21, 2019The "Find" node can cause a crash if the a map with a struct value changes type while connected, is disconnected and reconnected. Compilation fails and crashes the engine. Found in 4.23.1 CL#963142 ...
Stale VSM pages after HLOD transition
UE - Rendering - Graphics Features - Shadows - May 23, 2024Virtual Shadow Maps do not invalidate pages when HLODs replace meshes. This can lead to inconsistencies between the geometry and the shadows, which can cause artifacts as pages are invalidated. ...
Invalid Landscape Normals at component boundaries and subsections In Packaged Build
UE - Graphics Tools - Terrain - Oct 31, 2025In UE 5.6, heightmap texture compression was introduced. The original implementation did not consider duplicate pixels along subsection and shared textures (multi-component) boundaries. As a result, ...
Crash when saving after resetting Instanced array element via Property Matrix on placed actors
UE - Editor - Nov 21, 2025When an Actor Component contains an Instanced UObject array marked EditDefaultsOnly, adding a new element to the Blueprint defaults correctly updates the Blueprint and its own Property Matrix. Howev ...