Significant editor slowdowns when moving blueprinted actors while having a different complex blueprint open

UE - Gameplay - Blueprint Editor - Jun 7, 2021

A Blueprinted actor's construction script time can be affected by the complexity of an opened level Blueprint. ...

Quest: Web browser widget does not render

UE - Platform - XR - Jan 21, 2021

This DOES NOT work with ANDROID ES 3.1 This DOES work with ANDROID Vulkan So this SHOULD work with Quest Vulkan ...

Assert caused by using FText::FromStringTable to initialize a FText property in the constructor of a UStruct based off FTableRowBase

UE - Foundation - Core - Jan 4, 2019

When using FText::FromStringTable to initialize an FText variable in the constructor of an FStruct that inherits from FTableRowBase, an assert is caused due to recursion. The assert is as follows:As ...

Documentation button redirects to 404 error page in Match3

UE - Platform - Mobile - Aug 23, 2016

The documentation button does not redirect to the correct documentation page. Tested on iPhone6S_6240 OS: 9.3.4 ...

Creating BlueprintActor from EmptyActor produces an Actor with multiple DefaultSceneRoots

UE - Gameplay - Blueprint - Jan 24, 2020

This does not happen with UE4.22. Maybe related to CL#7462096 and CL#7476283. These are fixes for [Link Removed]. ...

Background blur missing with HDR CompositeMode 1

UE - Graphics Features - Jul 29, 2021

UPD: According to Affects Version field, issue reproduces in 4.26, Regression for 4.27 - No. ...

ToString() from a StringTable entry now returns <MISSING STRING TABLE ENTRY>

UE - Editor - UI Systems - Localization - Apr 10, 2024

This is a regression from 5.3 that has been fixed in Main (32476819, for 5.5), but needs merging into 5.4. ...

Lighting behavior is unreliable for translucent lit materials, results are inconsistent depending on the editor camera's FOV and the editor viewport's width/height/aspect

UE - Rendering Architecture - Oct 27, 2024

When working on the level editor viewport or testing on PIE, the visual appearance of additive/translucent lit materials changes significantly (and abruptly) when varying the camera FOV or the viewp ...

ARCore fails to package due to permission error with ARKit enabled

UE - Platform - XR - Jan 17, 2019

When using the handheld AR template and trying to package for ARCore, the package or launch on attempt will fail due to some permissions errors with Apple. If ARKit is disabled the editor will lock ...

Float Curve evaluation may yield completely wrong results due to floating-point precision issue

UE - Anim - Runtime - Oct 31, 2024

Note: This is possibly related to [Link Removed]. For some inputs, function UE::Curves::WeightedEvalForTwoKeys() inside file "CurveEvaluation.cpp" can incorrectly return the value of the first key, ...