Adding a Pass By-Reference input parameter to an event dispatcher is allowed, but causes a warning when called.

UE - Gameplay - Blueprint - Nov 19, 2018

You 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, 2019

In 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, 2020

The 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, 2021

Add 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

zComponent - Archive - Aug 26, 2021

Disabling 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, 2021

Deleting 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

zComponent - Archive - Dec 8, 2021

This 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 ...

Delay in updating coordinates in camera manager of sequencer

zComponent - Archive - Mar 18, 2022

This problem was reproduced in 5.0 Preview 2. According to the licensee, this did not occur in 4.26. Not sure if this is related to the camera manager, but some objects are delayed at the end of s ...

Lyra host can't hear client movement sounds.

UE - Characters - Animation - Aug 25, 2022

Repo 5/5  The host can not hear the landing sound from the clients but can hear it's own sounds. Gun sounds are unaffected.  The client footstep sounds are also being affected. ...

Granular Synth crashes project when played in standalone or packaged with assertion failure

UE - Audio - Jan 5, 2021

Assertion 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 ...