Hot reload can no longer be performed after adding an empty class to a Blueprint-only project

Core - Feb 7, 2019

Adding an empty code class to a Blueprint-only project prevents the project from being able to perform any hot reloads. When clicking the Compile button in the Editor, a warning is added to the log ...

Project Version setting not reflected in a project's packaged executable's property details

DevTools - Feb 5, 2019

When a Project Version value has been specified in the Project Settings, this value is not set into either the File Version value or the Product Version value in a packaged game. The File Version va ...

Calling Console Commands in Python doesn't execute

Tools - Python - Feb 5, 2019

The console commands do not execute from Python if optional PlayerController parameter is not filled. Tested in 4.20.3 (CL- 4369336), 4.21.2 (CL - 4753647), 4.22 (CL - 4902349) ...

Scrollbox no longer works after being Collapsed (and made visible again) when using remote session

Tools - UMG - Feb 5, 2019

Scroll box no longer scrolls after the visibility has been set to collapsed and back to visible. This only appears to occur when using Remote session. Additional info on setting up remote session: ...

Crash after removing decal (using set fade out node) during design time and then hitting play

Gameplay - Blueprint - Feb 5, 2019

When calling set fade out on a decal during design time via a custom event that is setup to be called in editor a crash will occur when clicking PIE ...

Data Tables with 'ParticleSysParam' structs cause crash

Rendering - Cascade - Feb 4, 2019

Data Tables with 'Particle Sys Param' structs in them as variables will crash when opened. ...

Crash occurs in PIE when an Actor calls a method in a UObject that attempts to modify an FString member of the UObject

Core - Jan 31, 2019

The Editor will crash in PIE when an Actor calls a method in a UObject that modifies some FString members in the UObject. In the Attached project, the UObject class contains two FString members and ...

Bulk Edit via Property Matrix gets disconnects from blueprints after BP compile

Tools - Jan 30, 2019

"If you ever compile a Blueprint that you have opened in the Property Matrix, it will lose its connection and variables you change in the blueprint won't be reflected in the Matrix and vice versa le ...

Find and replace reference feature(experimental) crashes after indexing dialog

Gameplay - Blueprint Editor - Jan 30, 2019

FindInBlueprints->CacheAllBlueprints(FSimpleDelegate::CreateSP(this, &SReplaceNodeReferences::OnSubmitSearchQuery, true), EFiBVersion::FIB_VER_VARIABLE_REFERENCE);  This leads to crash. Users can b ...

"Reimport with New Source" fails on Mac

Anim - Animation - Jan 22, 2019

'Reimport with new source' command does not work on Mac. Confirmed in 4.22 @ CL 4771381 ...