Unreal Engine Issues

Bug in StringTemplate.cpp related to modulo operator in MaterialTemplate.ush (code fix provided)

Shader Template files like MaterialTemplate.ush do not submit previous chunks when encountering a `%` character, unless that `%` character is `%s` or `% {...} `. Because the error is happening ...

Make Custom Event names start with "Event"/Fix "Event Event" issue with overridden Events

If you name an Event something like "Event Foo", overriding the event in a ChildBP gives you "Event Event Foo" To avoid this, please make Custom Event names Start with "Event" ...

Fix MM node "Yaw From Animation Blend Rate" for skeleton with root bone rotated X or Y up

Dirty Actors in WP lose their actor folder in the outliner (and cause warnings) on PIE

From Licensee: You can reproduce this in stock by doing the following:Make a new 5.1 project with a new WP map (it can be empty)Put some actors in some folders in the outliner and save them/reload ...

Custom depth gets cleared for each eye in VR

From licensee: "Expected behavior (as seen in UE 4.25...also confirmed in 4.24):"[Image Removed] "Actual behavior in UE 4.26:"[Image Removed] Report from a licensee: In VR when using custom dep ...

Niagara Vector Field CPU access Error prevents its use in projects

Niagara VectorFields do not function properly since "Fix CPU Access" changes are not persistently saved. After every Editor restart or reopening projects, the Niagara-VectorField driven Emitter and ...

PhysX Crash In Attached Project During PIE

The user is experiencing a PhysX crash in their project. They stated that the source files contained in 4.12.5 are different from Nvidia's Github version of 3.3.4, which apparently contains a fix fo ...

ResavePackages commandlet with -fixupredirects flag won't update asset references on shared collections

We currently have two methods of fixing up redirectors: the ResavePackages commandlet and the Fix Up option within the editor. While the editor's option correctly handles collections via FAssetFixUp ...

Unreal Studio: Multi User Viewer Template Menu: Next Arrow Bug

"There's a bug with the menu where you cant get to the next step (server browser or host) when you have a VR headset plugged and available. The "Next_Btn" button is greyed out on the last step. You ...

Scene Color node with UV input on a transparent material renders incorrectly in stereo

From Licensee: When we have Instanced Stereo enabled, all our materials that use Scene expression nodes (SceneDepth, SceneColor, etc...), render incorrectly in the right eye. It only happens to the ...