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	9518	December 10, 2020
Unknown cook failure Blueprint , question , CPP , unreal-engine	2	11	July 21, 2026
Serializing AbilitySystemComponent data into a saved game [GAS] question , CPP , unreal-engine	5	74	July 21, 2026
i cant play tournaments when i have everything on to play them question , bug-report , unreal-engine	1	21	July 21, 2026
Unable to find c++ class in content drawer question , unreal-engine	1	54	July 21, 2026
IS-IN-FC02 cannot install UE 5.2 on mac question , Installation , unreal-engine	30	1256	July 21, 2026
UE5 opens a wrong VS .sln file (from previous project) question , unreal-engine	1	73	July 20, 2026
UBADetours.DLL errors question , unreal-engine	1	26	July 20, 2026
Why do I have to include a subsytem in a Plugin? question , unreal-engine	6	71	July 20, 2026
Linux Unreal Egnine GPULightmass Fix editor , unreal-engine	0	10	July 19, 2026
Is Unreal slowly becoming its own language? question , CPP , unreal-engine	1	38	July 19, 2026
Can't create or compile new projects in C++ question , CPP , Visual-Studio , unreal-engine , unrealbuildtool	3	49	July 16, 2026
A call to an immediate function is not a constant expression question , unreal-engine	3	52	July 15, 2026
UE5 C++ Behavior Tree / Combat Slot AI keeps falling back to Patrol instead of Attack question , CPP , unreal-engine , enemy , ai-controller , ai-navigation	1	47	July 15, 2026
Popup comments from another variable to another variable? UE4-20 , question , CPP , UE4 , unreal-engine	20	1154	July 14, 2026
PostEditChangeProperty is not called when change the value of a SinglePropertyView in Editor question , unreal-engine , UE5-0 , Editor-Utility	1	584	July 14, 2026
How to decouple character from its components? question , CPP , unreal-engine	1	71	July 13, 2026
UE 5.8 fails to compile with Visual Studio 2026 (hash_map missing) — Source fix question , unreal-engine	6	666	July 13, 2026
Having trouble using a timeline in a UObject question , CPP , timelines , uobject , update , unreal-engine , timeline , tick	4	90	July 13, 2026
Where/when to add a tag when a gamepllay attribute is "full?" question , unreal-engine	4	84	July 12, 2026
Passing reference to function via TFunction fails on UFUNCTIONs question , unreal-engine	2	63	July 12, 2026
EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build Blueprint , question , unreal-engine , multiplayer-testing , EOS	0	48	July 11, 2026
Whats the best way to set K2node Pin default values? question , unreal-engine	9	131	July 9, 2026
Store encrypted data used by the game question , unreal-engine	1	48	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	492	July 9, 2026
Inactive PlayerState code seems faulty question , CPP , Multiplayer , Networking , unreal-engine	1	615	July 8, 2026
Functional OSM Worldmap question , unreal-engine	0	27	July 8, 2026
Texture that is cpu available stuck at 4x4 and dtx1 format. Ue 5.7.1 question , unreal-engine	1	41	July 7, 2026
FGuid for inventories, yes or no? CPP , unreal-engine , inventory , inventory-system	5	95	July 7, 2026
Modifying Chaos Modular Vehicles Modules during gameplay question , unreal-engine	1	72	July 6, 2026

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

0

9518

December 10, 2020

Unknown cook failure

Blueprint , question , CPP , unreal-engine

2

11

July 21, 2026

Serializing AbilitySystemComponent data into a saved game [GAS]

question , CPP , unreal-engine

5

74

July 21, 2026

i cant play tournaments when i have everything on to play them

question , bug-report , unreal-engine

1

21

July 21, 2026

Unable to find c++ class in content drawer

question , unreal-engine

1

54

July 21, 2026

IS-IN-FC02 cannot install UE 5.2 on mac

question , Installation , unreal-engine

30

1256

July 21, 2026

UE5 opens a wrong VS .sln file (from previous project)

question , unreal-engine

1

73

July 20, 2026

UBADetours.DLL errors

question , unreal-engine

1

26

July 20, 2026

Why do I have to include a subsytem in a Plugin?

question , unreal-engine

6

71

July 20, 2026

Linux Unreal Egnine GPULightmass Fix

editor , unreal-engine

0

10

July 19, 2026

Is Unreal slowly becoming its own language?

question , CPP , unreal-engine

1

38

July 19, 2026

Can't create or compile new projects in C++

question , CPP , Visual-Studio , unreal-engine , unrealbuildtool

3

49

July 16, 2026

A call to an immediate function is not a constant expression

question , unreal-engine

3

52

July 15, 2026

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

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

1

47

July 15, 2026

Popup comments from another variable to another variable?

UE4-20 , question , CPP , UE4 , unreal-engine

20

1154

July 14, 2026

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

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

1

584

July 14, 2026

How to decouple character from its components?

question , CPP , unreal-engine

1

71

July 13, 2026

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

question , unreal-engine

6

666

July 13, 2026

Having trouble using a timeline in a UObject

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

4

90

July 13, 2026

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

question , unreal-engine

4

84

July 12, 2026

Passing reference to function via TFunction fails on UFUNCTIONs

question , unreal-engine

2

63

July 12, 2026

EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build

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

0

48

July 11, 2026

Whats the best way to set K2node Pin default values?

question , unreal-engine

9

131

July 9, 2026

Store encrypted data used by the game

question , unreal-engine

1

48

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

492

July 9, 2026

Inactive PlayerState code seems faulty

question , CPP , Multiplayer , Networking , unreal-engine

1

615

July 8, 2026

Functional OSM Worldmap

question , unreal-engine

0

27

July 8, 2026

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

question , unreal-engine

1

41

July 7, 2026

FGuid for inventories, yes or no?

CPP , unreal-engine , inventory , inventory-system

5

95

July 7, 2026

Modifying Chaos Modular Vehicles Modules during gameplay

question , unreal-engine

1

72

July 6, 2026

Programming & Scripting C++