Unreal Engine Issues

Sequencer- New takes will not respect project setting take number if initial asset doesn't have a shot number

With 5.2, we allowed the take separator to be multiple characters long. But it would appear that when using this feature, if you don't also have a 'shot number' before the take separator, then the n ...

Sequencer: Skeletal Animation with montages can cause blending issues when re-playing the same sequence on the same character

The code in MovieSceneSkeletalAnimationSystem.cpp storages montage data on a per skeletal mesh component, per section basis. This (and a few other bits of logic) cause issues for external UDN user w ...

ApplyAdditive AnimBlueprint node with Slot node is not working correctly.

Applying ApplyAdditive node with Additive motion directly on AnimBlueprint works correctly but applying ApplyAdditive node with Slot node playing additive motion is not working correctly that makes ...

LightMap is created exceeding [Packed Light and Shadow Map Texutre Size]

When LightBuild is performed with CornTestBox.umap of EngineTest, 4096 light maps are generated even though [Packed Light and Shadow Map Texutre Size] is 1024. The reason is that the asset's LightMa ...

No dithered lod transition when changing Field of view

Input pins are displayed when "StaticSwitch" is used in "Dynamic Input Script" of Niagara

The pin is missing the checkbox or dropdown to set the switch value on the function call node. It should only look like the screenshot if the switch value is propagated to the next higher caller. ...

There is a moment of T pause when Post Roll Frames is enabled and snapping is enabled

When I turn off snap, the problem does not occur The problem does not occur in 4.24.3 and 4.25.4 Occurs in 4.26.2 and UE4main ...

Cannot package project on Linux

Trying to package a blank project on Linux fails. ...

MAC: Crash on startup

"MacBook pro 13 2015 with yosemite 10.10.3 just crashed after launching ue4." The problem is that the recently introduced calls to IsRHIDeviceNVIDIA occur before the Mac code sets the GRHIVendorID ...

Slow-rendering thumbnails can be queued up for real-time updates

A licensee is seeing performance drops while using the editor due to a custom thumbnail renderer taking a while to generate thumbnails while Real-Time Thumbnail rendering is enabled, and has request ...