Syncing to an asset through in-editor interface will not update existing assets while in the editor

Tools - Sep 4, 2015

If a user syncs to an asset through the editor (right-clicking it in the Content Browser and selecting Sync), the asset will not update until the editor is closed and reopened. Note: This issue is ...

ICU was built with timezones disabled for Android

UE - Platform - Mobile - Mar 23, 2017

ICU for Android was built with U_TIMEZONE defined to 0, which means that ICU always considers itself to be in UTC, rather than use its default Android implementation. We should try and build ICU ag ...

ICU was built with timezones disabled for Linux

UE - Platform - Linux - Mar 23, 2017

ICU for Linux was built with U_TIMEZONE defined to 0, which means that ICU always considers itself to be in UTC, rather than use its default Linux implementation. We should try and build ICU again ...

A crash in editor will result after swapping inherited SCS component names at the parent class level before loading a child class that overrides them.

UE - Gameplay - Blueprint - Oct 26, 2018

This is an editor-only crash that's due to stack overflow/infinite recursion in UInheritableComponentHandler::FixComponentTemplateName(). We are recursively trying to rename other inherited componen ...

Sound Quality is worse after import

UE - Audio - Feb 17, 2020

After importing a sound file, it's sonic characteristics are changed and the sound is not the same as the original. This leads to inconsistency. The sound is the same with Compression set 100. Two ...

Bound Variables In UMG Are Deleted As Unused If Not Used In The Graph Window

UE - Editor - UI Systems - Mar 18, 2020

If a variable is bound in the Design Window of a User Widget asset it will be deleted if you use the menu option "Delete all unused variables". Found in 4.24.3 CL#11590370 Reproduced in 4.23.1 CL#9 ...

Calling Finish Recording Output causes a crash in PIE

UE - Audio - Mar 23, 2020

The Finish Recording Output node from the Audio Mixer BP Library crashes due to an invalid Path input. This is a regression from 4.23.1 (CL-9631420).  This was reported and tested in 4.24.3 (CL-115 ...

UIScaleCurve float-point value in BaseEngine.ini lacks precision

UE - Editor - UI Systems - Slate - Jun 4, 2020

The screenshots below display 1920x1080pixel widget button. First one with Default DPIScaleCurve shows extra borders on the right and bottom. Next one with more precision shows no extra boundary. [ ...

VFInitRotation(Cascade) always provides the same rotation

UE - Niagara - Jun 30, 2020

This problem caused by incorrect initialization of RandomStream in the GPU particle. //PaticleGpuSimulation.cpp virtual void Init() override { ... check(AllocatedTiles.Num() == TileTimeOfDe ...

BuildPatchTool doesn't finish if enabled building Http Chunk on Mac

Portal - Jan 25, 2021

We may fix this issue by the following codes. FPakPlatformFile::FPakPlatformFile(): LowerLevel(NULL) ,bSigned(false) { // remove //FCoreDelegates::GetRegisterEncryptionKeyMulticas ...