Retargeting Root Motion not working in UE4.10

OLD - Anim - Nov 24, 2015

Retargeting root motion results in the target animation appearing to "slide" on the ground or "hover" as if hanging from the pelvic bone. This has been reported to be fine in 4.9 but multiple users ...

The AND node always calculates all inputs

UE - Gameplay - Blueprint - Nov 5, 2015

The AND node always calculates all inputs, even if the first input fails as False. Probably related to [Link Removed] (currently unresolved, but a Select node-specific fix is mentioned in the comme ...

Bright Flickering or Black Squares with Rectangle Lights Intersecting Meshes

UE - Graphics Features - May 31, 2024

Rect Lights that intersect geometry can produce NaN pixels in SceneColor, which will affect bloom, FXAA, and other future passes. This can lead to large visible artifacts. The NaN values are produc ...

Sound Mixes not working on Mac

UE - Audio - Feb 9, 2017

Sound Mixes do not seem to work for Macs. In this particular case I used the Push Sound Mix blueprint node to affect the currently playing sound in the level. This same project works fine on Window ...

Lansdcape grass generation fails on Mac running OSX 10.10.1

UE - Platform - Mobile - May 12, 2015

Grass map heights all appear to be 0 when generating grass on a Mac running 10.10. This bug does not occur on Macs running OSX 10.9.5 Putting a breakpoint in LandscapeGrass.cpp line 476 you can se ...

Key precision problems on some short animations

Tools - Apr 5, 2016

Please see attached UE4_anim_interp_bug.fbx for a second example. This works as expected in 4.7 and 4.8 I've got a couple different users reporting this now. I suspected animation compression to ...

Animation curves on Montages are not remapped when using a 'Compatible' skeleton

UE - Anim - Runtime - Jun 27, 2023

[Link Removed] From UDN: If you are using the new compatible skeletons feature and you have a Montage with an attribute curve on it, the curve is not correctly mapped to the target skeleton. So ...

The Get node for the float value of Custom Axis Mappings only return 0.0 when called from Blueprints other than the Controller

UE - Gameplay - Input - Dec 3, 2014

The Get node for the float value of Custom Axis Mappings only returns 0.0 when called from Blueprints other than the Controller. Input from the player does not affect the value. Note: this works a ...

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone

UE - Gameplay - Blueprint - Sep 9, 2015

A Blueprint that references a macro from a macro library cannot be saved if the macro is deleted and then the deletion is undone. The following error is given: Can't save ../../../../../../UnrealEn ...

Event Dispatcher name changes do not propagate to related nodes until the editor is restarted

UE - Gameplay - Blueprint - Mar 17, 2015

Event Dispatcher name changes do not propagate to related nodes until the editor is restarted. This does not appear to affect functionality in 4.7.2. In Main, the nodes must be refreshed to restore ...