Unreal Engine Issues
Unreal Engine Issues
Timeline tracks can be given the same name as existing execution inputs, and renaming them and compiling will cause a crash
UE - Gameplay - Blueprint - Jan 13, 2015Timeline tracks can be given the same name as existing execution inputs, which causes some unusual behavior when dragging off the pin. Renaming them will rename the execution pin instead, and compil ...
Crash when toggling between Stereo on and Stereo off
UE - Platform - XR - Dec 22, 2016Crash when toggling between Stereo on and Stereo off after launching the game via right clicking the uproject. After toggling stereo on and off a few times, the session crahes ...
Blueprint unable to compile if including a macro that includes one of its functions
UE - Gameplay - Blueprint Compiler - Mar 9, 2017Blueprints that include a macro that includes one of their own functions are unable to compile. The error message that is given is: Error Could not find a function named "MyFunction" in 'ActorBP_C'. ...
Using the Replace References Tool on Foliage Types producing Unexpected Results
Tools - Apr 6, 2017A licensee is reporting some unexpected behavior when attempting to replace references on Foliage Types already painted in the world. What happens after the references have been replaced, are the n ...
ACharacter JumpMaxHoldTime quickly prevents jumping on the server
UE - Gameplay - Blueprint - Sep 18, 2017-Character no longer jumps to full height when on client when setting maxholdtime to anything above 0 in character blueprint ...
Blueprint iOS projects can't package For Distribution
UE - Platform - Mobile - Mar 23, 2019This issue doesn't occur using a project with source code This issue doesn't occur in a blueprint project if For Distribution is disabled (using a development certificate and provision) So far this ...
Cannot get CookedFFTData from an Audio Component in a packaged build
UE - Audio - Jul 11, 2019When trying to get CookedFFTData from an audio component in a packaged build it fails despite working in the Editor. This also occurs when you package the project from File->Package Project->Windows ...
VoIP loses functionality when transitioning levels.
UE - Online - Oct 23, 2019VoIP between client and host is lost upon transitioning levels. ...
Collision lost from body when using world composition and streaming
UE - Simulation - Physics - Mar 1, 2021Physics object from a streamed level does not interact with other physics objects in persistent level. ...
Moving a water body causes engine to drop fps and spike ms
UE - Graphics Tools - Terrain - Water - Apr 26, 2022Moving a water body lowers performance on the engine. The fps drop from 120 to 30 and ms spike from 8 to 30. This issue occurs in 5.0 Binary and 4.27 Binary on Windows. On Mac, FPS drop and ms spike ...