[CrashReport] Access violation - FLandscapeEditDataInterface::SetAlphaData()

UE - LD & Modeling - Terrain - Landscape - Jul 19, 2017

This is a common crash affecting users in 4.15 and 4.16. This callstack was previously linked to [Link Removed], but that had a specific repro case that was fixed in 4.14. Users are not providing ...

Fix support for compiling editor in monolithic

UE - Foundation - Cpp Tools - UnrealBuildTool - Jul 1, 2016

Some licensees have reported good results compiling the editor in monolithic configurations - startup times are noticably shorter. I believe there are a number of things that need fixing up across t ...

Fix UMovieSceneSequence::FindPossessableObjectId for child bindings

UE - Anim - Sequencer - Nov 28, 2022

Calling UMovieSceneSequence::FindPossessableObjectId with a guid that relates to a child binding does not work correctly because it just goes through the binding references and calls LocateBoundObj ...

Editor crash when shader debugging enabled including r.shaders.optimize=0

UE - Rendering Architecture - Shaders - Jun 23, 2024

The editor crashes when activating cvar options for shader compilation and debugging. ...

Crash Clicking on Enum in BT Decorators After the Enum Has Been Altered

UE - AI - Apr 5, 2017

Clicking on a Behavior Tree decorator that references an Enum blackboard key will crash the editor if that Enum has been altered in the method described in the repro steps. If you set decorators to ...

Any events in sequencer fire at frame 0 when set to looping

UE - Anim - Sequencer - Mar 28, 2016

Any active events fire at frame 0 when the sequence loops ...

Unable to fix up redirector of assets used in level instances

UE - World Creation - Worldbuilding Tools - Level Instances - Jun 12, 2024

If another persistent level is open, the fix up can work. ...

Custom event parameter set to 0 by default

UE - Gameplay - Blueprint - Aug 14, 2017

Default parameters do not appear to be retained for custom events. This was tested in 4.17 and the issue does not occur in 4.16. Appears to be a regression ...

Initial Modules are clamped to a 0 to 1 time range

UE - Graphics Features - Sep 18, 2015

The Initial Modules appear to be clamped to a zero to 1 time frame since 4.8 was released. Projects that are converted from 4.7.6 will have correctly working particle systems, but adding a new part ...

When used with First Loop Start Frame Offset and Use Animation Blueprint, the character will alternate between the specified animation and the reference pose

UE - Anim - Anim in Engine - Jan 30, 2023

If you use StartFrameOffset set to 1 or higher in conjunction with the Use Animation Blueprint, the character's animation will be rough towards the end of the section. Specifically, it seems that th ...