Unreal Engine Issues
Unreal Engine Issues
Enabling window animations causes dropdown menus to flicker and become unselectable
Tools - Slate - Jan 7, 2021Not a regression as I was able to repro this in 4.25.4 The bug doesn't occur every single time, you may need to try disabling/re-enabling the setting and/or clicking on the menu dropdowns a few tim ...
Crash on project startup due to certain Skeletal Mesh being accessed
Anim - Runtime - Jan 6, 2021If you open the 6 assets that were close unexpectedly it will crashEnemy (Blueprint), Player_BP (Blueprint) and ThirdPersonGameMode (Blueprint) it crashesThe texture and Projectile_Base (Blueprint) ar ...
Crash occurs when compiling in Editor after editing a C++ file
DevTools - Hot Reload - Jan 5, 2021Crash seems inconsistent, doesn't seem to happen every time. You may have to change the variables and re-compile through the editor a few times to get it to trigger. The crash did occur for me when ...
Granular Synth crashes project when played in standalone or packaged with assertion failure
Audio - Jan 5, 2021Assertion failed: SoundWave->GetPrecacheState() == ESoundWavePrecacheState::InProgress The above assertion fail was seen when played in standalone mode. Play-In-Editor mode (PIE) is working as exp ...
Duplicate level collections not being respected by UGameEngine::NetworkRemapPath
Networking - Jan 5, 2021When NetworkRemapPath was refactored in 4.26 to support replay connections via the rep graph, the check for duplicate level id on the driver was lost in the new code path. This causes the demo driv ...
WaitMutex behaves poorly when there are casing differences in the same path
DevTools - UnrealBuildTool - Jan 5, 2021The proposed solution here is to make the casing of the path provided to the hashing function for the mutex consistent with something like:publicstatic string GetUniqueMutexForPath(string Name, stri ...
Text type parameters show the same value after reload in duplicated actor
Gameplay - Blueprint - Jan 4, 2021Issue occurs in both events and functions. Seems like it's only affecting Text, didn't notice this issue for other variable types. The original actor is working as expected. Only the duplicated one ...
Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work
Rendering - Niagara - Jan 4, 2021Initializing a System parameter to a Niagara Parameter Collection data interface parameter does not work ...
Selecting multiple actors with differing DataTableHandles causes data loss
Gameplay - Core - Jan 4, 2021The data table customization (and probably others) tries to aggressively clear out row references that are not valid in the table they point to. This breaks when selecting multiple actors or objects ...
Delay does not tick when game is paused
Gameplay - Blueprint - Jan 4, 2021Delay nodes no longer fire within a paused actor even if that actor has been set to 'Tick Even when Paused' Removing the delay node from the equation allows the print node to continue firing while ...