Unreal Engine Issues
Unreal Engine Issues
[Console Commands] - au.debug.sounds.sort priority shows all sounds as priority 1.0 when volume scaling is bypassed or sound is 2D
UE - Audio - Apr 5, 2022The priority display does not correctly reflect the set priorities of sounds when they are not being attenuated or when Bypass Volume Scale for Priority is Enabled. If a sound is attenuated and scal ...
Incorrect number of parameters in empty Shipping version of the DrawDebugString() function signature
UE - Foundation - Core - Mar 26, 2019The DrawDebugString() function has to versions. One is the actual function to display a string of debug text in non-Shipping builds, and the other is an empty function that is used in Shipping build ...
[CrashReport] UE4Editor_LevelEditor!FLevelEditorActionCallbacks::Paste_CanExecute() [leveleditoractions.cpp:1602]
UE - Gameplay - Blueprint - Jan 17, 2017This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Assertion failed: GEditor->GetSele ...
[CrashReport] UE4Editor_Landscape!FLandscapeEditDataInterface::SetAlphaData() [landscapeeditinterface.cpp:2617]
UE - LD & Modeling - Terrain - Landscape - Sep 8, 2016This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below. Error message: Access violation - code c0000005 ( ...
Niagara Scalability Crash When Processing Significance
UE - Niagara - Jun 4, 2025Method FNiagaraScalabilityManager::ProcessSignificance() iterates on indices from Context.SignificanceIndices and uses them to access the State and ManagedComponents arrays. It can then decide to cr ...
Double-clicking metasound graph input widget resets value to 1, but displayed value does not change
UE - Audio - MetaSounds - Nov 16, 2022Reproduced 3/3 times. Issue also occurs in //UE5/Release-5.0 - CL 20979098 Binary. Confirmed NOT a Regression. ...
Animation to Ragdoll: Character blinks for 1 or more frames
UE - Simulation - Physics - Mar 4, 2016Character is not rendered for frame between Death animation and conversion to ragdoll physics In the linked movie, if you pause at the 34 second mark and play frame by frame, you will see the chara ...
Crash when using Ctrl+Z to undo a single digit change in the size of a widget
UE - Anim - Sequencer - Feb 21, 2017When trying to undo a single digit change the editor will crash. For example, if a user highlights and replaces a single number in the size of a widget and then attempts to undo, the editor will cra ...
4.22.1 Crash in FVulkanResourceMultiBuffer::Lock
UE - Rendering - Architecture - RHI - Jul 31, 2019Vulkan Multibuffer Lock mechanism for ReadOnly does not appear to be implemented. Temporary workaround has been provided to licensee. ...
Skip Assigning Gamepad to Player 1 does not work
UE - Gameplay - Input - Feb 2, 2024This is a regression from a long while ago that needs to get fixed ...