Unreal Engine Issues
Unreal Engine Issues
Play Rates are not reverted when HAP Media Plugin is disabled
Media Framework - Nov 11, 2019Enabling the HAP Media player plugin permanently affects the thinned Play Rates of the Media Player asset. Tested in 4.23.1 (CL - 9631420), 4.24.0 (CL - 10091930), 4.25 (CL - 10091038) ...
Calling Finish Recording Output causes a crash in PIE
UE - Audio - Mar 23, 2020The 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 ...
Widget With Spinbox Crashes When Destrcutor Is Called With Multithreaded Destruction Enabled
UE - Foundation - Core - UObject - Feb 28, 2020When a widget with a spinbox is calls it's Destructor with "Multithreaded Destruction" enabled the engine crashes. I have tested in 4.23.1, 4.24.3, and 4.26 Main with "Multithreaded Destruction" dis ...
The "Random Integer in Range from Stream" returns the same value if the seed is power of 2 of anything above 22.
UE - Foundation - Core - Aug 7, 2019When using the "Random Integer in Range from Stream" where the seed is a power of 2 after a certain point (2^22) the random integer that is returned is the always the same. If the seed is 2^23 + 1 i ...
[AI] Nav Modifier Volume inside of a Level Instance does not update navmesh when moved
UE - AI - Navigation - Oct 3, 2023The issue is seen when using a normal navmesh inside of a World Partitioned level. Adding a Nav Modifier Volume to a Level Instance, and placing the Level Instance in the world will affect the navme ...
Media Player not updating when IMG Media Source files are changed
Media Framework - Aug 20, 2020Images in a sequence path for an Img Media Source are not updating without restarting the project. Changing the path itself appears to work as expected. Tested in versions 4.22.3(CL 7053642), 4. ...
[CrashReport] Mac crash - libobjc.A.dylib!objc_retain() [UnknownFile]
UE - Platform - Apple - Nov 10, 2017This is a longstanding but low frequency Mac crash. User DescriptionsChanging camera shake values and testing in a new editor window Callstack from Log[2017.11.09-19.23.22:392][ 63]LogMaterial: Mi ...
Vulkan leaks memory when opening and closing windows
UE - Rendering Architecture - RHI - Nov 22, 2019As described here: https://udn.unrealengine.com/questions/532725/index.html (1) Start Prebuilt Vanilla 4.23.1. with Vulkan enabled (2) Create a new project (3) Drag and drop the Sphere from “modes ...
Gameplay Debugger doesn't work in ShooterGame when "Run Dedicated Server" is checked
UE - AI - May 10, 2019The Gameplay Debugger does not function in ShooterGame when "Run Dedicated Server" is checked. This issue only affects ShooterGame and works as expected in a Blank project or if "Run Dedicated Serve ...
Imported Maya animation seems to be 1-frame off in Unreal
OLD - Anim - Apr 5, 2016A licensee reported this issue on UDN. They are seeing a discrepancy with animations imported from Maya. In this case, they appear to be off by 1-frame. We've talked about this on Slack and I know ...