Unreal Engine Issues
Unreal Engine Issues
Screen Position shares TextCoord coordinate space
UE - Graphics Features - Feb 4, 2016ScreenPosition is not updating when the viewport is resized. As the viewport is made larger, screen position scales to match this larger area. As the viewport is made smaller, screen position contin ...
Clicking the yellow text while recording an animation in Persona no longer stops the recording
OLD - Anim - Oct 5, 2016No longer able to stop recording an animation by clicking the yellow text in the Persona viewport even though the tooltip when hovered over it states that you can. This is a regression from 4.13.2 ...
Editor crashes after redoing the addition of a component to a static mesh actor
Tools - May 30, 2017This is not a regression. This also occurs dating back to 4.15 and 4.14. The editor crashes on this check in FLevelEditorActionCallbacks::Paste_CanExecute() when updating the Edit menu state: chec ...
FOnlineAsyncTaskManager may not process Parallel Tasks if there's no Active Task.
UE - Online - Jan 24, 2018FOnlineAsyncTaskManager::Run waits for the WorkEvent to trigger before it will tick. However, this event only gets triggered if there are new Available Tasks. Therefore, even though there may be pe ...
XR Planar Reflections lag behind VR headset movement
UE - Platform - XR - Mar 24, 2023Planar Reflections lag behind VR headset movement [Link Removed] Reporting that reflection captures lag because they happen before late update is applied. Includes an experimental patch that fi ...
Renaming an input class or struct to a Chooser breaks evaluation of EvaluateChooser node
UE - Anim - Gameplay - May 23, 2025The evaluate chooser node generates input pin names based on the parameter class / struct names. When that class or struct's name is changed, the pin doesn't update to account for that and so we si ...
Multiple viewports open cause wrong viewport to render in VREditor (HTC Vive)
UE - Editor - Workflow Systems - Apr 28, 2016Having multiple viewports open causes the wrong viewport to be rendered inside the headset. Positional/Rotational tracking is still updating correctly in the preview window. Closing the wrong view ...
Nodes impacted by code changes do not generate warnings after HotReload
UE - Gameplay - Blueprint - Oct 20, 2016I noticed this while executing https://jira.it.epicgames.net/browse/UEQATC-1441. At step 10, there should be warnings on the nodes that were updated by the HotReload. This is a regression from 4.13 ...
Out of date info and typo in comments for DDC in BaseEngine.ini
UE - Foundation - Core - Jan 25, 2017In BaseEngine.ini,Comment says "DerivedDataBackendGraph is the default graph" - this information needs to be updated to mention that launcher installs of the engine would use "InstalledDerivedDataB ...
Shader used factories/types/pipelines should be in DDC key
UE - Graphics Features - Jan 31, 2018A licensee noticed that the ShouldCache types for FLandscapeMaterialResource changed in the 4.18.2 but this did not affect the DDC keys generated. This caused an endless compilation loop where the s ...