Unreal Engine Issues

Fail to save level with a Blueprint component containing User Data

Sequencer sets max FPS when a Sequence is played after being paused if it's locked to the display rate

When playing a sequence the engine's max FPS will be saved in a temp value. If the sequence is paused and played that temporary value will be overwritten with the sequence's value. When restoring th ...

Using Interpolative Animation Data into 'Make Dynamic Additive' gives warning "Trying to play a non-additive animation into a pose that is expected to be additive in anim instance"

Feeding Interpolative non-additive Data into Make Dynamic Additive gives a Warning "Trying to play a non-additive animation  into a pose that is expected to be additive in anim instance" AnimBluepr ...

Instances Created From Merge Actor Have Corrupt Lightmaps

Instances Created From Merge Actor Have Corrupt Lightmaps. Working as intended in 4.20 CL# 4369336 and 4.21 CL# 4753647 Found in 4.22 CL# 6574378 and 4.23 CL# 6842436 This is a regression. ...

Crash when loading iCloud/CloudKit SaveGame on iOS

"...it seems the crash occurs because it is trying to load an empty (0 byte) save file. Stepping through the code in Engine/Plugins/Online/IOS/OnlineSubsystemIOS/Source/Private/OnlineUserCloudInterf ...

Enabling Omni Directional Stereo Capture Breaks Draw Material to Render Target Functionality

Enabling ODS (omni directional stereo capture) in project breaks Draw Material to Render Target functionality. Found in 4.20 CL# 4369336, 4.21 CL# 4753647, 4.22 CL# 6574378, 4.23 CL# 6836133 ...

Component icon changes when undoing the adding of blueprint components

When the user adds two blueprint components to an actor blueprint, compiles the component blueprint, and then undoes adding one of them, the icon for the remaining component changes. This doesn't o ...

Niagara Using a VAT has Intense Motion Blur

Niagara mesh particle using a VAT has Intense Motion Blur. Found in 4.22 CL# 6574378 and 4.23 CL# 6763247 Unable to test this in 4.21 and 4.20 as the project provided with assets needed was made i ...

GLTF Datasmith Files Import Incorrectly if Mesh Names Contain a "."

Importing a GTFL through the GLTF Datasmith import references incorrect instance meshes when their names contain a period. Which is very common when exporting from Blender which automatically adds t ...

Failed to launch project with -D3D10 Command Line Argument

Adding the d3d10 command line argument to a package project results in a crash. This worked normally in 4.21 and below.  ...