Unreal Engine Issues
Unreal Engine Issues
High Quality Gaussian DoF not working on iOS Metal
UE - Platform - Mobile - Sep 2, 2016The High Quality Gaussian DoF does not work when deployed to an iOS device that supports Metal. After enabling the setting within Project Settings to support Metal (A8 chipsets) and above, and then ...
Disabling Bluetooth controllers also disables the Android Back input event
UE - Platform - Mobile - Sep 21, 2018Disabling Bluetooth Controller support for Android also causes the Back button of the navigation bar to not work properly, as the input event does not fire when it is pressed. Regression?: No This ...
Crash when trying to export unsupported Paragon Skeletal Mesh asset in 4.23
UE - Editor - Content Pipeline - Import and Export - Sep 11, 2019When the user tries to export the Skeletal Mesh of TwinBlast (a paragon character that can be purchased off the marketplace) in 4.23. As of the time of logging this bug it is not supported in 4.23, ...
Haptic Feedback doesn't work on DualSense devices (and never has)
UE - Gameplay - Input - Nov 7, 2023The 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 ...
Special characters in the Bundle Display Name are not showing up on device
UE - Platform - Mobile - Aug 20, 2015Bundle Display Names support UTF-8 characters. However, the iOS tool chain is not handling these correctly. Error when you try to package a project with & in the display bundle name, whether it's b ...
Changing value on float input pin does not automatically provide decimal point
UE - Gameplay - Blueprint Editor - Jun 8, 2017Entering a whole number value to a float input does not create a ".0" at the end. This was noticed as it causes a small quality of life issue with orphaned pins, where the user can't simply type th ...
OculusOpenXRLoader.build.cs should be part of all InstalledBuild
Tech - BuildOps - Infra - Oct 2, 2025The OculusOpenXRLoader module is only required on Android but it should be possible to reference it from any project\plugin that doesn't target that platform. The user that found the problem is ...
4.14 Launcher version ships with UE4-VulkanRHI*.a but requires Github source
UE - Platform - Mobile - Nov 7, 2016Launcher build ships with VulkanRHI Android binaries but do not seem to support Vulkan on Android from the launcher build without source. ...
Source Control: Some Perforce operations do not use the specified P4Changelist argument
Tools - Sep 26, 2016While the engine currently supports a P4Changelist argument when launching the editor from the command line, we are only currently using it to check out assets through FPerforceCheckOutWorker::Execu ...
Lyra - Grant Nearby Interaction Ability Task used as source object but doesn't replicate
UE - Gameplay - Gameplay Ability System - Sep 25, 2023UAbilityTask_GrantNearbyInteraction passes itself as the source object when making the Interaction Ability Spec in UAbilityTask_GrantNearbyInteraction::QueryInteractables. This causes the "Warning: ...