Unreal Engine Issues

Multiple Physics objects on the client in one place jitter and shake

When simulating physics on multiple objects, they appears to jitter and shake on the client. This can lead to differences between the server and the client. This is especially show cased when runnin ...

Using RawInput plugin with game pad. Sometimes input may not arrive.

Xinput display is available Xinput has no problem. xbox360 controller is no problem. Would you please try it with PS4 controller etc. https://udn.unrealengine.com/questions/435106/rawinput%E3%8 ...

Scale is 0.0f when editing a curve with Animation Sequencer.

There are conditions. ・EnableRootMotion is true. ・Adidive Anim Type is Mesh Space or Local Space. https://udn.unrealengine.com/questions/436446/%E7%89%B9%E5%AE%9A%E6%9D%A1%E4%BB%B6%E3%81%AE%E3% ...

Mobile projects crash with Event Driven Loader disabled

iOS + Android apps will crash on launch if Event Driven Loader is disabled. Confirmed in 4.23 MAIN at CL 5035898 ...

Crash due to LAN beacon packet incompatibility in 4.22

We changed the IP address serialization format without bumping the LAN beacon packet version. Should just need to bump it up. ...

sRGB flag is enabled when importing hdr image file

The sRGB flag is enabled when importing hdr files. This is disabled in PostEditChangeProperty, but remains enabled if we do not edit the file. I think the sRGB flag should be disabled for hdr image ...

Animating the camera and character with LiveLink makes the character tremble

GIF images are attached. The animation is smooth on the MotionBuilder side, but it is "slightly" wobbly in UE4. The licensee reports that the situation can be heavily shaken by the situation. Also, ...

References to original assets/widgets are left behind when replacing them in UMG

StaticMeshComponent occasionally doesn't simulate physics after SpawActor.

When spawning Pawns with a StaticMeshComponent with SimulatePhyscis=True, they occasionally may not simulate physics. This can be reproduced by simply repeating the respawn. The frequency of reprodu ...

Global Distance Field Precision Issues Far From Origin

[Enduring] Appears to be in the visualization rendering of the distance field, distance field shadows were unaffected. There was one instance where the bug did not replicate as expected. This was wh ...