Unreal Engine Issues
Unreal Engine Issues
Crash when Landscape Max LODLevel is set to 0
UE - LD & Modeling - Terrain - Landscape - Mar 16, 2018Reproduced in 4.19.0 CL 3944462 and 4.20 Main Unable to reproduce in 4.18.3 CL 3832480. This is a regression. ...
There is a moment of T pause when Post Roll Frames is enabled and snapping is enabled
UE - Anim - Sequencer - Apr 19, 2021When I turn off snap, the problem does not occur The problem does not occur in 4.24.3 and 4.25.4 Occurs in 4.26.2 and UE4main ...
Rotator visual helper appears in local Presentation exports
TM - Tools - Nov 6, 2025Reported in SF [Link Removed] The Rotator animator's visual helpers will be visible in locally exported Presentations when it should be hidden. This does not affect the Translator animator. ...
Crash launch application adding .umap url
UE - Foundation - Core - Aug 6, 2020The application crashes when adding ".umap" to the launch map at application launch. If not specify ".umap", it will be able to launch application. There appears to be a failure to parse the URL. Th ...
Shipping builds do not execute .exe
After playing with it and attaching in the debugger, it's sitting forever in MigratePreviousEngineIni(). It seems to be looping on DirectoryExists forever, likely here: while(PreviousVersion.GetMi ...
Make sure games can ship with VS2015 without needing extra redists
Tools - Jul 28, 2016VS2015 redists are not part of our standard redist install (because their update prereqs on Windows 7 and 8 make them virtually impossible to package in), so applocal install is required. ...
Fire tower lights do not change when held down in StrategyGame on iOS
Docs - Samples - Aug 18, 2016The fire tower charge effect is not working correctly on iOS. This was tested with an iPhone6S_6240 OS: 9.3.2 Does not occur on Android. Tested on Galaxy S7 ...
Joystick is missing from projects on certain iOS devices
UE - Platform - Mobile - Jan 11, 2017The Flying template is not displaying joysticks when deployed to iOS. Issue does not occur in: 4.14.3 - 3251583 Phones tested that have not experienced the issue: iPhone 6S_6240 ...
Low Frequency Crash when rendering a movie in Sequencer
UE - Anim - Sequencer - Feb 10, 2017Note This is a low frequency 1/3 times attempted. I could not accurately reproduce this crash. Based on crash reporter, this never happened in 4.14 so this is a regression ...
Duplicates of Actor Blueprints have a Blank, Black preview Window
UE - Editor - Content Pipeline - Content Browser - Feb 21, 2017Duplicates of Actor Blueprints have a blank, black preview instead of the preview of the original (See sample image). Not a regression, occurs in UE4.14.3 as well ...