Unable to compile script plugins against 4.16.0

UE - Foundation - Cpp Tools - UnrealBuildTool - May 24, 2017

A bug in UBT is preventing the authors of SkookumScript from submitting their 4.16 plugin to the marketplace. ...

TAssetPtrs are not properly fixed up in client PIE instances

Tools - Aug 18, 2015

Contrary to the linked UDN question, this doesn't seem to require the actor to be replicated. The problem is that when UWorld::DuplicateWorldForPIE is called for a PIE client instance's persistent ...

Integrate fix for improper failure case for allocation of RenderTargets in Oculus

UE - Platform - XR - Feb 6, 2017

CL 3278583 contains a fix for improper failure state allocation of render targets, which causes intermittent crashes when the HMD is unplugged or has a power interruption. This CL fixes the crash ...

Enabling Fixed Frame Rate doesn't Lock the Frame Rate

UE - Rendering Architecture - RHI - Nov 19, 2019

When a project is set to use a fixed frame rate via the Project Settings it is uncapped when played in editor. Found in 4.24 Preview 2 CL#10091930 Reproduced in 4.25 Main CL#10298106 ...

Using a fixed frame rate will cause you to leave the loop section of Montage.

UE - Anim - Runtime - Dec 10, 2021

This problem only occurs when the fixed frame rate is 30 and the Sequence Lenngth of the loop animation is 1.66667. If turn off the fixed frame rate setting, it will behave as it should. ...

Integrate VirtualBones crash fix into next release patch

OLD - Anim - Jun 7, 2017

Athomas reached out to me with a crash he was having when trying his 'Automatic Sync Marker AnimModifier' on a Skeleton that had Virtual Bones. It was verified that this only happens when Virtual B ...

Crash occurs when an element of a fixed-size FText array is edited in a Blueprint.

UE - Gameplay - Blueprint - Jan 23, 2017

The Editor can crash if a fixed-size FText array is created. Attempting to edit one of the values of the array in a Blueprint will result in a crash. ...

Runtime Errors appearing in Sequencer if fixed frame rate is set in projects settings

UE - Anim - Sequencer - Apr 12, 2019

This ensure happens only when the Start and End of the sequence is set in the "neigborhood" of the keyframe and only if the project framerate is to be Fixed on 60FPS. If you for example play the who ...

Multiple Blueprint compilation passes required to fix up event binding to dispatcher after event rename

UE - Gameplay - Blueprint Compiler - Nov 30, 2021

Renaming a custom event bound to an event dispatcher via a Create Event node requires two compilation passes to fix up the binding.  upd. Regression was checked on //UE4/Release-4.26 CL 15973114, i ...

Error maximum ps_5_0 sampler register index (16) exceeded on some materials in InfiltratorForward

UE - Graphics Features - Dec 13, 2016

Certain materials no longer compile in InfiltratorForward with Forward Shading enabled. These materials were not having this compile issue in //UE4/Main @ CL - 3231640 which is the CL before Dev-Ren ...