The ConstructionScript not being called on drag

Tools - May 2, 2019

The construction script for a custom actor blueprint does not execute after drag when the scene component is selected. Tested in 4.21.2 (CL - 5660361), 4.22.1 (CL - 6063286), 4.23 (CL - 6248266) ...

Crash when debugging project offscreen

UE - Graphics Features - May 30, 2019

Running a project with the RenderOffscreen flag in the DebugGame configuration applied causes the debugger to crash. Tested in 4.21.2 (CL - 4753647), 4.22.1 (CL - 6063286), 4.23 (CL - 6674923) ...

LDR crashes editor on Mac

UE - Platform - Apple - Oct 14, 2021

Summary A licensee has reported a crash with HDR.Details A UDN customer has reported that 4.27.1 still crashes when they attempt to enable HDR on macOS. The report also states that the iOS build cra ...

DTLS Handler Component module cannot startup on Xbox

UE - Networking - Dec 1, 2022

It seems as though enabling the DTLS handler component no longer functions on Xbox, and it's possible enabling this packet handler no longer works on other platforms as well. It may also be worth in ...

Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child state.

UE - AI - StateTree - Apr 25, 2023

This is a regression. Tested in //UE5/Release-5.1 CL2390901 The crash occurred 3/5 times. Crash occurs while playing in editor with a State Tree using Bool Compare for a transition state to a child ...

Crash when splitting up output of collapsed node

UE - Gameplay - Blueprint Compiler - Feb 13, 2017

A crash occurs when splitting the pin of a collapsed vector node that was connected via a vector connection. This issue is very similar to [Link Removed] however, the callstacks are different so I ...

MAC: Very slow texture compression times in Editor

UE - Platform - Apple - Mar 25, 2015

There have been a number of complaints about the time it takes to build projects on the Mac - the consistent theme as in the additional URL - is that the editor is thrashing compressing textures. It ...

Deriving a class from UBlackboardData results in runtime check failures

UE - AI - Jun 15, 2015

It needs to be either supported, or UBlackboardData should not show up in lists of valid parent classes. I'm not sure the latter is possible at all, so we should at least patch it up so that that ru ...

[CrashReport] Linux crash - FVulkanCommandBufferManager::WaitForCmdBuffer

UE - Graphics Features - Aug 22, 2017

This is a semi-common Linux crash coming out of 4.17.1. It is spread among a few different similar callstack affecting a handful of users. [Link Removed] [Link Removed] [Link Removed] [Link Removed ...