GetRandomReachablePointInRadius is displaying non reachable points when radius float values exceed 6000

UE - AI - Oct 31, 2018

When creating an Actor, and placing them inside of a geometric obstacle. GetRandomReachablePointInRadius is giving only non reachable points. The behavior happens when we set our navigational mesh b ...

Deprecating a non-const blueprint interface function replaces the implementation of the event with an empty custom event

UE - Framework - Blueprint - Oct 19, 2023

This behaviour is only observed when implementing the function as a custom event from a blueprint interface. This behaviour is not observed in actors where the blueprint interface function is implem ...

Invalid DumpGPU capture when ProjectDisplayedTitle contains special utf8 chars

UE - Graphics Features - Mar 7, 2025

Placing a special UTF-8 character into the "ProjectDisplayedTitle" will result in GPU dumps failing to open. This appears to be because the dump will switch between us-ascii and UTF-16 file formats ...

VSM shadows are missing for non-Nanite meshes in a PPV where Megalights is disabled, but Megalights is enabled in the project

UE - Rendering - Features - Jul 14, 2026

In UE 5.8 r.Visibility.LocalLightPrimitiveInteraction mode 2 (enabled if MegaLights is disabled) was added and made the new default as a performance optimization. However, this causes shadows to d ...

NvEnc API creation failed in 4.24.1 with M60 card on AWS EC2 instances.

PixelStreaming - Dec 24, 2019

i had an AWS EC2 g3.4xlarge instance(Nvidia M60 card).  I could run 4.22 packed PS application correctly. When switching to 4.24.1, I got the following error when trying to start the application wit ...

Generated Installed build Windows only quicklaunch fails because Platforms\Hololens\Binaries directory non-existant

zComponent - Archive - Nov 11, 2022

 Repro Rate 3/3Note: Step 3 in the steps to reproduce can take 2+ hours. When trying to do a quicklaunch for Windows platform in step 11 of https://testrail.it.epicgames.com/index.php?/tests/view/1 ...

Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node

UE - Gameplay - Blueprint - Jul 18, 2022

This is not a regression. Tested in //UE4/Release-4.27 CL18319896 Crash when recombining Value Pin after swapping Target Wild Card pin from a Vector2D to a Vector on a Set By-Ref Var node.  ...

[MetaSounds][Trigger Route] - If Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on triggering Set

UE - Audio - MetaSounds - Mar 18, 2022

When using the Trigger Route node, if Value 0 is a non-zero value and Value 1 is a zero value, the output "pops" on set. [Link Removed] ...

WorldPartition RuntimeHashSet: non-deterministic URuntimePartitionPersistent UObject name causes unstable Cooked output (RuntimePartition:DebugColor)

UE - World Creation - Worldbuilding Tools - HLOD - Jul 9, 2026

During deterministic Cook / Package validation, the Cooked output of a WorldPartition map was found to vary non-deterministically between Cook runs. Diff detected in the DiffOnly Cook log:Serialize ...