Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
Unknown cook failure Blueprint , question , CPP , unreal-engine	2	53	July 21, 2026
i cant play tournaments when i have everything on to play them question , bug-report , unreal-engine	1	58	July 21, 2026
Unable to find c++ class in content drawer question , unreal-engine	1	76	July 21, 2026
UE5 opens a wrong VS .sln file (from previous project) question , unreal-engine	1	92	July 20, 2026
UBADetours.DLL errors question , unreal-engine	1	63	July 20, 2026
Why do I have to include a subsytem in a Plugin? question , unreal-engine	6	141	July 20, 2026
Linux Unreal Egnine GPULightmass Fix editor , unreal-engine	0	19	July 19, 2026
Is Unreal slowly becoming its own language? question , CPP , unreal-engine	1	84	July 19, 2026
Can't create or compile new projects in C++ question , CPP , Visual-Studio , unreal-engine , unrealbuildtool	3	78	July 16, 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	61	July 15, 2026
Popup comments from another variable to another variable? UE4-20 , question , CPP , UE4 , unreal-engine	20	1179	July 14, 2026
PostEditChangeProperty is not called when change the value of a SinglePropertyView in Editor question , unreal-engine , UE5-0 , Editor-Utility	1	589	July 14, 2026
How to decouple character from its components? question , CPP , unreal-engine	1	88	July 13, 2026
UE 5.8 fails to compile with Visual Studio 2026 (hash_map missing) — Source fix question , unreal-engine	6	1244	July 13, 2026
Having trouble using a timeline in a UObject question , CPP , timelines , uobject , update , unreal-engine , timeline , tick	4	107	July 13, 2026
Where/when to add a tag when a gamepllay attribute is "full?" question , unreal-engine	4	101	July 12, 2026
Passing reference to function via TFunction fails on UFUNCTIONs question , unreal-engine	2	75	July 12, 2026
EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build Blueprint , question , unreal-engine , multiplayer-testing , EOS	0	58	July 11, 2026
Whats the best way to set K2node Pin default values? question , unreal-engine	9	186	July 9, 2026
Store encrypted data used by the game question , unreal-engine	1	50	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	505	July 9, 2026
Inactive PlayerState code seems faulty question , CPP , Multiplayer , Networking , unreal-engine	1	624	July 8, 2026
Functional OSM Worldmap question , unreal-engine	0	33	July 8, 2026
Texture that is cpu available stuck at 4x4 and dtx1 format. Ue 5.7.1 question , unreal-engine	1	51	July 7, 2026
FGuid for inventories, yes or no? CPP , unreal-engine , inventory , inventory-system	5	125	July 7, 2026
How can I cook a single asset using C++ in UE4 CPP , UE4 , unreal-engine	2	408	July 6, 2026
C++ classes disappear from Content Browser on every project restart except one question , unreal-engine	1	68	July 5, 2026
Beginner C++ learning paths for Unreal Engine geared toward 3D artists? question , CPP , tutorials , unreal-engine , Cinema-4D	0	55	July 5, 2026
UE5 EOS Setup Blueprint , unreal-engine , EOS	0	38	July 5, 2026
Cannot apply operator '&' to r-value unreal-engine	2	1680	July 3, 2026

Unknown cook failure

2

53

July 21, 2026

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

question , bug-report , unreal-engine

1

58

July 21, 2026

Unable to find c++ class in content drawer

question , unreal-engine

1

76

July 21, 2026

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

question , unreal-engine

1

92

July 20, 2026

UBADetours.DLL errors

question , unreal-engine

1

63

July 20, 2026

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

question , unreal-engine

6

141

July 20, 2026

Linux Unreal Egnine GPULightmass Fix

editor , unreal-engine

0

19

July 19, 2026

Is Unreal slowly becoming its own language?

question , CPP , unreal-engine

1

84

July 19, 2026

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

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

3

78

July 16, 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

61

July 15, 2026

Popup comments from another variable to another variable?

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

20

1179

July 14, 2026

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

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

1

589

July 14, 2026

How to decouple character from its components?

question , CPP , unreal-engine

1

88

July 13, 2026

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

question , unreal-engine

6

1244

July 13, 2026

Having trouble using a timeline in a UObject

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

4

107

July 13, 2026

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

question , unreal-engine

4

101

July 12, 2026

Passing reference to function via TFunction fails on UFUNCTIONs

question , unreal-engine

2

75

July 12, 2026

EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build

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

0

58

July 11, 2026

Whats the best way to set K2node Pin default values?

question , unreal-engine

9

186

July 9, 2026

Store encrypted data used by the game

question , unreal-engine

1

50

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

505

July 9, 2026

Inactive PlayerState code seems faulty

question , CPP , Multiplayer , Networking , unreal-engine

1

624

July 8, 2026

Functional OSM Worldmap

question , unreal-engine

0

33

July 8, 2026

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

question , unreal-engine

1

51

July 7, 2026

FGuid for inventories, yes or no?

CPP , unreal-engine , inventory , inventory-system

5

125

July 7, 2026

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

CPP , UE4 , unreal-engine

2

408

July 6, 2026

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

question , unreal-engine

1

68

July 5, 2026

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

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

0

55

July 5, 2026

UE5 EOS Setup

Blueprint , unreal-engine , EOS

0

38

July 5, 2026

Cannot apply operator '&' to r-value

unreal-engine

2

1680

July 3, 2026

Programming & Scripting C++