Random Stream variables in the GameMode are reset every PIE

UE - Gameplay - Blueprint - Jul 6, 2015

Random Stream variables in the GameMode are reset every PIE. Workaround is to use Set Random Stream Seed before using the Stream value. Reproduced in 4.7.6, 4.8.1, and Main (//depot/UE4/Promotable ...

If the game mode is set to game only and "Set Show Mouse Cursor" is set to true some click events appear to get dropped

Tools - Jun 15, 2016

If the game mode is set to game only and "Set Show Mouse Cursor" is set to true some click events appear to get dropped ...

ShowFlag.Rendering 0 is causing picture scintillation

UE - Platform - Mobile - Oct 21, 2016

When you use the console command for ShowFlag.Rendering 0 the screen multiplies. This happens on both iOS and Android devices ...

Decals spawn differently than 4.10.4 with their rotation based on hit normal

UE - Graphics Features - Apr 5, 2016

Decals are not spawning correctly when spawning based on a rotation value from the hit normal. There is a difference in how this is handled from 4.10.4 to 4.11 and even 4.12. See attached image fo ...

Audio from iOS is muted after having responds from siri.

UE - Platform - Mobile - Sep 10, 2020

User cannot hear sound after siri's respond when playing the app. When user go home screen then back to the app, then the user can hear the sound. This is related to [Link Removed] but this tick ...

ARM64 projects crash on device with Signal 11 with GooglePlay plugin enabled

UE - Platform - Mobile - Sep 20, 2016

When launching ASTC ARM64 packaged project onto S7, it'll crash with Signal 11. It seems very similar to [Link Removed]. ...

Instanced meshes called in player character do not correctly register overlaps

UE - Gameplay - Dec 21, 2015

Instanced meshes called in player character do not correctly register overlaps with other actors. ...

Per-object shadow corrupts on Android Vulkan

UE - Platform - Mobile - Jul 2, 2020

UGameplayStatics::SuggestProjectileVelocity always fails if parameter set as ESuggestProjVelocityTraceOption::TraceFullPath

UE - Gameplay - Aug 29, 2016

SuggestProjectileVelocity will always return false if ESuggestProjVelocityTraceOption is set to TraceFullPath. ...

iOS Remote Build fails with Date/Time set to Certain Locales

UE - Platform - Mobile - Jan 21, 2019

Date/Time formats using commas instead of semicolons will cause iOS compile to fail. "LogPlayLevel: Error: ERROR: System.FormatException: Input string was not in a correct format." Similar Unk ...