Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
You want to contribute to Unreal Engine? Here’s how! GitHub , unreal-engine , Engine-Source-Code , Engine-Source-GitHub	0	9502	December 10, 2020
UE5 C++ Behavior Tree / Combat Slot AI keeps falling back to Patrol instead of Attack question , CPP , unreal-engine , enemy , ai-controller , ai-navigation	0	7	July 14, 2026
PostEditChangeProperty is not called when change the value of a SinglePropertyView in Editor question , unreal-engine , UE5-0 , Editor-Utility	1	562	July 14, 2026
How to decouple character from its components? question , CPP , unreal-engine	1	51	July 13, 2026
UE 5.8 fails to compile with Visual Studio 2026 (hash_map missing) — Source fix question , unreal-engine	6	468	July 13, 2026
Having trouble using a timeline in a UObject question , CPP , timelines , uobject , update , unreal-engine , timeline , tick	4	67	July 13, 2026
Where/when to add a tag when a gamepllay attribute is "full?" question , unreal-engine	4	66	July 12, 2026
Passing reference to function via TFunction fails on UFUNCTIONs question , unreal-engine	2	55	July 12, 2026
EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build Blueprint , question , unreal-engine , multiplayer-testing , EOS	0	38	July 11, 2026
IS-IN-FC02 cannot install UE 5.2 on mac question , Installation , unreal-engine	29	1185	July 10, 2026
Whats the best way to set K2node Pin default values? question , unreal-engine	9	123	July 9, 2026
Store encrypted data used by the game question , unreal-engine	1	39	July 9, 2026
Child components not following root component even though they're supposed to be attached to the root component Blueprint , question , CPP , unreal-engine	4	482	July 9, 2026
Serializing AbilitySystemComponent data into a saved game [GAS] question , CPP , unreal-engine	0	34	July 8, 2026
Inactive PlayerState code seems faulty question , CPP , Multiplayer , Networking , unreal-engine	1	611	July 8, 2026
Functional OSM Worldmap question , unreal-engine	0	22	July 8, 2026
Texture that is cpu available stuck at 4x4 and dtx1 format. Ue 5.7.1 question , unreal-engine	1	37	July 7, 2026
FGuid for inventories, yes or no? CPP , unreal-engine , inventory , inventory-system	5	85	July 7, 2026
Modifying Chaos Modular Vehicles Modules during gameplay question , unreal-engine	1	66	July 6, 2026
How can I cook a single asset using C++ in UE4 CPP , UE4 , unreal-engine	2	386	July 6, 2026
C++ classes disappear from Content Browser on every project restart except one question , unreal-engine	1	43	July 5, 2026
Beginner C++ learning paths for Unreal Engine geared toward 3D artists? question , CPP , tutorials , unreal-engine , Cinema-4D	0	37	July 5, 2026
UE5 EOS Setup Blueprint , unreal-engine , EOS	0	26	July 5, 2026
Non-editor builds in UE5.8 crash in MSVC before main method, even in non-modified 1st person template project unreal-engine	0	37	July 4, 2026
Cannot apply operator '&' to r-value unreal-engine	2	1654	July 3, 2026
Eos integration and Testing in PIE question , unreal-engine	0	23	July 3, 2026
Where are instructions for setting up unreal engine 5.8 with visual studio. ? question , unreal-engine	1	97	July 2, 2026
SOLVED: MoveToLocation returns Code=5 Invalid immediately — pawn mesh was carving hole in navmesh unreal-engine	0	24	July 2, 2026
Inconsistent version of winsock negotiated in WSAStartup throughout engine codebase unreal-engine	0	20	July 2, 2026
Visual Studio 2026 Compatibility Issue question , unreal-engine	7	309	July 1, 2026

You want to contribute to Unreal Engine? Here’s how!

0

9502

December 10, 2020

UE5 C++ Behavior Tree / Combat Slot AI keeps falling back to Patrol instead of Attack

question , CPP , unreal-engine , enemy , ai-controller , ai-navigation

0

7

July 14, 2026

PostEditChangeProperty is not called when change the value of a SinglePropertyView in Editor

question , unreal-engine , UE5-0 , Editor-Utility

1

562

July 14, 2026

How to decouple character from its components?

question , CPP , unreal-engine

1

51

July 13, 2026

UE 5.8 fails to compile with Visual Studio 2026 (hash_map missing) — Source fix

question , unreal-engine

6

468

July 13, 2026

Having trouble using a timeline in a UObject

question , CPP , timelines , uobject , update , unreal-engine , timeline , tick

4

67

July 13, 2026

Where/when to add a tag when a gamepllay attribute is "full?"

question , unreal-engine

4

66

July 12, 2026

Passing reference to function via TFunction fails on UFUNCTIONs

question , unreal-engine

2

55

July 12, 2026

EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build

Blueprint , question , unreal-engine , multiplayer-testing , EOS

0

38

July 11, 2026

IS-IN-FC02 cannot install UE 5.2 on mac

question , Installation , unreal-engine

29

1185

July 10, 2026

Whats the best way to set K2node Pin default values?

question , unreal-engine

9

123

July 9, 2026

Store encrypted data used by the game

question , unreal-engine

1

39

July 9, 2026

Child components not following root component even though they're supposed to be attached to the root component

Blueprint , question , CPP , unreal-engine

4

482

July 9, 2026

Serializing AbilitySystemComponent data into a saved game [GAS]

question , CPP , unreal-engine

0

34

July 8, 2026

Inactive PlayerState code seems faulty

question , CPP , Multiplayer , Networking , unreal-engine

1

611

July 8, 2026

Functional OSM Worldmap

question , unreal-engine

0

22

July 8, 2026

Texture that is cpu available stuck at 4x4 and dtx1 format. Ue 5.7.1

question , unreal-engine

1

37

July 7, 2026

FGuid for inventories, yes or no?

CPP , unreal-engine , inventory , inventory-system

5

85

July 7, 2026

Modifying Chaos Modular Vehicles Modules during gameplay

question , unreal-engine

1

66

July 6, 2026

How can I cook a single asset using C++ in UE4

CPP , UE4 , unreal-engine

2

386

July 6, 2026

C++ classes disappear from Content Browser on every project restart except one

question , unreal-engine

1

43

July 5, 2026

Beginner C++ learning paths for Unreal Engine geared toward 3D artists?

question , CPP , tutorials , unreal-engine , Cinema-4D

0

37

July 5, 2026

UE5 EOS Setup

Blueprint , unreal-engine , EOS

0

26

July 5, 2026

Non-editor builds in UE5.8 crash in MSVC before main method, even in non-modified 1st person template project

unreal-engine

0

37

July 4, 2026

Cannot apply operator '&' to r-value

unreal-engine

2

1654

July 3, 2026

Eos integration and Testing in PIE

question , unreal-engine

0

23

July 3, 2026

Where are instructions for setting up unreal engine 5.8 with visual studio. ?

question , unreal-engine

1

97

July 2, 2026

SOLVED: MoveToLocation returns Code=5 Invalid immediately — pawn mesh was carving hole in navmesh

unreal-engine

0

24

July 2, 2026

Inconsistent version of winsock negotiated in WSAStartup throughout engine codebase

unreal-engine

0

20

July 2, 2026

Visual Studio 2026 Compatibility Issue

question , unreal-engine

7

309

July 1, 2026

Programming & Scripting C++