Unreal Engine Issues
Unreal Engine Issues
Niagara Component can crash if ticked with a null tick function
UE - Niagara - Mar 12, 2021Niagara components don't null check their tick functions, and can cause a crash as a result. Compare to UParticleSystemComponent::TickComponent which does. It's fairly common in the engine to pass n ...
Adding teleport node after AddMovementInput breaks jumping animation
UE - Gameplay - Jun 6, 2016Calling the teleport node after the Add Movement Input nodes affects movement by preventing the character's capsule from updating, causing the mesh to hit the top of the capsule during the jump anim ...
Get Hit Result Under Finger by Channel appears to return the wrong location on MAC during PIE
UE - Platform - Apple - May 11, 2018The location give by the Get hit result under finger by channel appears to be affected by screen size on Mac. When clicking an area in the level, it does not always return the area under the finger ...
Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.
UE - Gameplay - Blueprint - Nov 19, 2018You can add a pass-by-reference input variable to an Event Dispatcher, but it will will result in compile warnings, and changes to that input will not affect the value of the variable in the caller. ...
[Feature Request] ReferenceViewer: Accept dynamic collection
Tools - Oct 29, 2019In 4.23, Setting a dynamic collection to the collection filter slot does not display any result. And there are no information about dynamic collection doesn't work in collection filter. (FCollectio ...
M_Volumetric_Sky_Prototype Material has compile errors
UE - Content - Engine - Mar 17, 2020The material "M_Volumetric_Sky_Prototype" has numerous compile errors that prevent it from being used. This was reported and tested in 4.25 Preview 2 (CL-12055273) and reproduced in 4.26 (CL-121923 ...
Sequence with null skeletal track sections crashes on load
UE - Anim - Sequencer - Jan 21, 2021Add contents of the zip file to your 4.26 project. Open the level sequence. EXPECTED: It shoudln't crash. Log will print saying that it removed some animation sections. ...
Editor crash when disabling looping in a nested subscene
UE - Anim - Sequencer - Aug 26, 2021Disabling looping in a nested subsequence seems to crash the editor upd. Regression was checked on //UE4/Release-4.26 CL 15973114, the issue wasn't reproduced. Regression - Yes ...
[Submix][Content Browser] - Deleting an unsaved Submix asset (any type) causes them to reappear when creating a new asset
UE - Audio - Submixes - May 13, 2021Deleting unsaved Submix assets causes them to reappear the next time you create a new asset. Issue does not occur in 4.26, but does occur in 4.27 and 5.0. ...
Using the Transform Tool to manipulate multiple Event Trigger keys at different times in the Sequencer Curve graph sometimes causes crash
UE - Anim - Sequencer - Dec 8, 2021This is not a regression. I was able to reproduce the crash in 4.26. Using the transform tool to manipulate keys for an Event Trigger within the curve editor of sequencer sometimes causes it to cra ...