Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
Unreal Engine Hierarchical Instanced Static Mesh (HISM) Blueprint , unreal-engine	1	33	April 1, 2026
PixelStreaming2 crashing in SetRemoteSdp crash , unreal-engine	17	278	April 1, 2026
Проблема с SDK. question , unreal-engine	2	35	April 1, 2026
Have you ever met warning C4828? question , CPP , unreal-engine , warning	4	5888	March 31, 2026
Warning C4828 UE4-17 , question , CPP , unreal-engine , warning	10	17958	March 31, 2026
如何绘制大量的线，我尝试了用PDI->drawline的方式绘制，会特别的卡，有没有什么更好的优化方案？ question , CPP , Rendering , c-class-wizard , unreal-engine , c-custommeshcomponen , c-and-blueprint , c-custom-shape , c-cone-shape , c-programming , c-c , c-class , c-error , c-and-bluepri	1	243	March 31, 2026
Updated versions from 5.5.4 to 5.7.4, and SetSkeletalMesh in C++ no longer works past BeginPlay Blueprint , question , CPP , unreal-engine	0	13	March 30, 2026
PackagingResults: Error: Unknown Error packaging-projects , unreal-engine , package-project , package-error , Packaging	3	43	March 30, 2026
Physics constraint lock in place not working question , CPP , unreal-engine	0	12	March 30, 2026
Unreal 4 VS Build Project Error question , unreal-engine	1	36	March 29, 2026
When is Epic games making an update for Nintendo switch 2, 120 fps dock mode Blueprint , question , unreal-engine , fortnite	0	25	March 27, 2026
EOS header Signing in issue question , unreal-engine	1	26	March 27, 2026
Dynamic Collision Component Error question , editor , CPP , unreal-engine	1	53	March 26, 2026
Help with what's causing the engine to crash question , crashes , unreal-engine	8	107	March 26, 2026
I use the same call to CreateWidget() in two classes, one works, one doesn't, how is that possible? Blueprint , question , CPP , unreal-engine , inheritance , Widget , UMG	2	43	March 25, 2026
UE5.3.2 Touch Input Action Bug? Android , question , bug-report , unreal-engine	5	1115	March 23, 2026
Behavior Tree MoveTo not working unreal-engine	18	6743	March 23, 2026
How to build a plugin to use in a pure Blueprint project ? Blueprint , CPP , unreal-engine	1	106	March 23, 2026
Unreal Engine 4.25 source code compile error unreal-engine , Engine-Source-Code	6	3534	March 21, 2026
Common UI Input ignores Arrow Keys question , unreal-engine	1	26	March 20, 2026
Using the UE5.4 built-in Libcurl.lib in a plugin (w/ no unresolved external references) CPP , unreal-engine	1	232	March 19, 2026
How to actual learn Unreal Engine question , unreal-engine	2	63	March 19, 2026
"Checking for localized variants" Freeze When Moving Folders in Source-Built Engine question , CPP , unreal-engine	1	46	March 19, 2026
GBGridManager.cpp(94, 16): [C2039] 'GetObjectW': is not a member of 'TScriptInterface<IGridOccupantInterface>' question , unreal-engine	3	53	March 18, 2026
UCLASS(Config=MyNewConfigFile) doesn't seems to work for me. question , unreal-engine , config	0	32	March 17, 2026
Super isn't a class or namespace name unreal-engine	5	2575	March 17, 2026
Import and play animated old game Model unreal-engine	0	12	March 16, 2026
Can't add C++ components to Blueprints directly anymore in 4.18 unreal-engine	8	5151	March 16, 2026
Check if the player has overlap an actor without creating dependencies question , unreal-engine	9	71	March 13, 2026
MetaHuman Plugin not working after switching to Unreal Engine Source CPP , bug-report , Plugins , Engine-Source-GitHub	14	757	March 13, 2026

Unreal Engine Hierarchical Instanced Static Mesh (HISM)

Blueprint , unreal-engine

1

33

April 1, 2026

PixelStreaming2 crashing in SetRemoteSdp

crash , unreal-engine

17

278

April 1, 2026

Проблема с SDK.

question , unreal-engine

2

35

April 1, 2026

Have you ever met warning C4828?

question , CPP , unreal-engine , warning

4

5888

March 31, 2026

Warning C4828

UE4-17 , question , CPP , unreal-engine , warning

10

17958

March 31, 2026

如何绘制大量的线，我尝试了用PDI->drawline的方式绘制，会特别的卡，有没有什么更好的优化方案？

question , CPP , Rendering , c-class-wizard , unreal-engine , c-custommeshcomponen , c-and-blueprint , c-custom-shape , c-cone-shape , c-programming , c-c , c-class , c-error , c-and-bluepri

1

243

March 31, 2026

Updated versions from 5.5.4 to 5.7.4, and SetSkeletalMesh in C++ no longer works past BeginPlay

Blueprint , question , CPP , unreal-engine

0

13

March 30, 2026

PackagingResults: Error: Unknown Error

packaging-projects , unreal-engine , package-project , package-error , Packaging