Haptic Feedback doesn't work on DualSense devices (and never has)

UE - Gameplay - Input - Nov 7, 2023

The haptic feedback stuff is meant for VR devices, and has never worked with DualSense or any other console (afaik) that isn't a VR device. We technically could support this, but it would just be ...

USourceControlHelpers::GetFilesInDepotAtPath is broken

UE - Editor - Apr 24, 2023

The p4 files command is used to grab the list of depot files. This does not have a client path, but the parse records function called in FPerfroceGetFileListWorker::Execute (ParseRecordSetForState) ...

Improper Initialization of trigger values when added at runtime with the key pressed already

UE - Gameplay - Input - Nov 11, 2022

See the comment on UInputTrigger::LastValue around issues being a bool type on first tick ...

Datasmith doesn't import specific IFC files correctly

UE - Editor - Content Pipeline - Datasmith - Importer - Nov 9, 2023

Platforms that allow for configurable VOIP sample rates do not respect config values

UE - Online - Jan 8, 2019

Because of when GetEnumValueFromString (called by GetVoiceSampleRate) executes for certain modules at load time, the global enum master list is empty, which leads to the config value not being parsa ...

Draw Brush Polys is not displayed when Separate Translucency is enabled

UE - Rendering - Architecture - RHI - Mar 9, 2020

This is working properly in 4.21.2 ...

Niagara and Water Source Body Component

UE - Niagara - Jul 19, 2023

This has changed from 4.27 and the Deep Dive video on water: [Link Removed] ...

Oodle CompressionLevelNameMap is missing an entry for Optimal5, leading to a crash in the texture editor

RAD - Oodle - Aug 2, 2024

Due to a missing string in CompressionLevelNameMap in OodleDataCompression.cpp, it is possible for LevelName to be left uninitialised after parsing the compression effort, which causes a crash when ...

UE 5.5 delayed Python initialization causes issues

UE - Editor - Oct 28, 2024

From this UDN: [Link Removed] The customer reports that this issue did not happen in 5.4. ...

Cannot create installed build on Linux

UE - Foundation - Build - Rocket (Installed Engine) - Sep 16, 2016

See log attached to [Link Removed]. NetworkProfiler does not compile on Linux due to a missing assembly. We shouldn't need to ship it on Linux anyway. ...