Cascade particle system crash when changing levels in a cooked game

UE - Niagara - Jan 6, 2021

Changing levels with an auto-released particle system will cause cooked builds to crash. This is a regression. This crash does not occur in 4.25 ...

Can't connect Date Time and Time Spawn pins to math nodes

UE - Gameplay - Blueprint Editor - Feb 2, 2023

we can do a "cheap fix" here by adding the "IgnoreTypePromotion" metadata to the date time functions, but there are some underlying issues with the FindBestMatching func in this case causing it to f ...

Light function materials using WorldPosition do not render correctly to volumetric fog if there is more than one

UE - Graphics Features - Mar 27, 2023

There is a one-line fix for this in a shader file, see their PR on GitHub:https://github.com/EpicGames/UnrealEngine/pull/10251/files ...

Start time of subtitle gets incorrectly modified at runtime

Tools - Apr 14, 2016

The time field of a subtitle is incremented incorrectly at runtime. This is caused by the wrong array being modified by the subtitle manager when queuing subtitles. A fix is provided by the licensee ...

Viewports: Marquee selection always selects skeletal meshes in ortho viewports

Tools - Apr 16, 2015

Box select always selects skeletal meshes in ortho viewports, even when not touching the actor. Switching on Strict Box Selection fixes it as a workaround. ...

Crash in FMediaPlayerBase::TickPlayer in Shipping builds

Media Framework - Jul 28, 2017

A crash can occur in FMediaPlayerBase::TickPlayer in Shipping builds. This is because FMediaPlayerBase::NativePlayer is not a thread-safe shared pointer. The fix is to make it ESPMode::ThreadSafe. ...

Allow demo functions from Execute Console Command.

UE - Networking - Aug 10, 2017

Continuation of [Link Removed] Previous ticket addressed the crash. However, it didn't fix the FScoedLevelCollectionContextSwitch to allow for demo commands to be run from Execute Console Commands. ...

Vertex Painting - Unexpected behaviour when painting Skeletal Mesh with Low Radius Brush

Tools - Oct 21, 2019

Unexpected behaviour when painting skeletal meshes with small radius brush. This does not occur with static meshes. Confirmed in 4.25 MAIN @ CL 9730599 ...

Importing fbx with armature resulting in crash

UE - Editor - Content Pipeline - Import and Export - Jan 20, 2020

Importing an fbx file with armature on MAC results in crash Tested: 4.23.1 CL#9631420, 4.25 CL#10889200 ...

Texture sample offset results in pixelization on Android + Quest

UE - Platform - Mobile - Feb 13, 2020

Offsetting UVs can result in blurred texture on Android/Quest Confirmation in MAIN 4.25 @ CL 11384989 blocked by [Link Removed] ...