BP - Class default value is temporary reset after parent c++ class compile.

Core - Hot Reload - Nov 21, 2017

class default value after c++ class compile will temporary initialized. It will be restored when opening the project again. ...

Hot reload causes placed actor to lose variable references

Core - Hot Reload - Nov 9, 2017

Preforming a hot reload causes placed actors to lose code based variable settings. More repro steps: 1. Open UE4Editor.exe 2. Create a First Person Code project 3. Build the project for Developme ...

TSubclassOf variable values reset on Hot Reload

Core - Hot Reload - Nov 3, 2017

After a hot reload, blueprint instances of TSubclassOf variables have their setting reset to "none" Regression: Yes - variable values remain after hot reload in 4.17.2 (CL 3658906) ...

Placed instances do not update dynamic binding after hot reload

Core - Hot Reload - Oct 6, 2017

Adding a dynamic binding and preforming a hot reload sometimes causes the binding to not be registered by class/blueprint instances that already exist in the world. Instances need to be replaced fr ...

User is forced to rebuild code project DLLs after Hot Reload

Core - Hot Reload - Oct 4, 2017

REGRESSION: Yes, this does not occur in 4.17.2 When using Hot Reload, the user is prompted to rebuild project DLLs when relaunching the project in editor. This was testing in QAGame and with a cod ...

Hot reload can prevent code components from being accessible in blueprints

Core - Hot Reload - Sep 29, 2017

When a class is edited / hot reload preformed, code based components are sometimes removed from the MyBlueprint > Variables section and cannot be dragged from the Components tab into the graph with ...

[CrashReport] UE4Editor_HotReload!`FHotReloadClassReinstancer::UpdateDefaultProperties'::`2'::FPropertyValueMemoryWriter::operator<<() [hotreloadclassreinstancer.cpp:372]

Core - Hot Reload - Sep 14, 2017

This is a common crash that has occurred for users since at least 4.16. User DescriptionsUsing the PIE i compiled some c++ then quit the PIE before the end of the compilation. Source Context 35 ...

Editor Crashes on Opening After Deriving C++ Class from Another Class

Core - Hot Reload - Sep 13, 2017

After deriving a C++ class from another class and then closing the editor, the project will crash when reopened. This crash will continue until the project files are regenerated and the project is r ...

Hot reload fails in 4.16 projects that were upgraded from 4.15.

Core - Hot Reload - May 16, 2017

This issue appears to be a continuation of UE-42205. Hot reloads work successfully in projects that were created in 4.15 or 4.16 and are still using the same Engine version that they were created in ...

Crash when hot reloading after adding HISM Component class

Core - Hot Reload - May 15, 2017

After adding a class based on "Hierarchical Instanced Static Mesh Component", any attempt to hot reload, from Visual Studio or within the editor, causes the editor to crash. Regression: No - crash ...