Latest C++ topics - Epic Developer Community Forums

Topic	Replies	Views	Activity
UE 5.8 fails to compile with Visual Studio 2026 (hash_map missing) — Source fix question , unreal-engine	6	966	July 13, 2026
Having trouble using a timeline in a UObject question , CPP , timelines , uobject , update , unreal-engine , timeline , tick	4	95	July 13, 2026
Where/when to add a tag when a gamepllay attribute is "full?" question , unreal-engine	4	88	July 12, 2026
Passing reference to function via TFunction fails on UFUNCTIONs question , unreal-engine	2	67	July 12, 2026
EOS Advanced Sessions: EOS_InvalidUser & PendingConnectionFailure on Package Build Blueprint , question , unreal-engine , multiplayer-testing , EOS	0	50	July 11, 2026
Whats the best way to set K2node Pin default values? question , unreal-engine	9	163	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	501	July 9, 2026
Inactive PlayerState code seems faulty question , CPP , Multiplayer , Networking , unreal-engine	1	618	July 8, 2026
Functional OSM Worldmap question , unreal-engine	0	31	July 8, 2026
Texture that is cpu available stuck at 4x4 and dtx1 format. Ue 5.7.1 question , unreal-engine	1	48	July 7, 2026
FGuid for inventories, yes or no? CPP , unreal-engine , inventory , inventory-system	5	106	July 7, 2026
How can I cook a single asset using C++ in UE4 CPP , UE4 , unreal-engine	2	399	July 6, 2026
C++ classes disappear from Content Browser on every project restart except one question , unreal-engine	1	55	July 5, 2026
Beginner C++ learning paths for Unreal Engine geared toward 3D artists? question , CPP , tutorials , unreal-engine , Cinema-4D	0	49	July 5, 2026
UE5 EOS Setup Blueprint , unreal-engine , EOS	0	33	July 5, 2026
Cannot apply operator '&' to r-value unreal-engine	2	1675	July 3, 2026
Eos integration and Testing in PIE question , unreal-engine	0	26	July 3, 2026
Where are instructions for setting up unreal engine 5.8 with visual studio. ? question , unreal-engine	1	146	July 2, 2026
SOLVED: MoveToLocation returns Code=5 Invalid immediately — pawn mesh was carving hole in navmesh unreal-engine	0	33	July 2, 2026
Inconsistent version of winsock negotiated in WSAStartup throughout engine codebase unreal-engine	0	24	July 2, 2026
Visual Studio 2026 Compatibility Issue question , unreal-engine	7	377	July 1, 2026
AnimNotify is triggered multiple times during a single playback Blueprint , question , CPP , unreal-engine	5	205	June 30, 2026
Full C++ or a hybrid c++ blueprint mix? unreal-engine	12	295	June 30, 2026
UE 5.5 Steam Multiplayer: OSS Steam vs Advanced Sessions vs SteamCore? Blueprint , CPP , Steam , Multiplayer , unreal-engine , onlinesubsystem	1	61	June 30, 2026
Recreating Slice procedural mesh component UE5.5 CPP , unreal-engine	4	94	June 30, 2026
FMemberReference doesnt work on widgets? question , unreal-engine	0	29	June 30, 2026
Cant compile fresh c++ project: Nuget vulnerability on UE 5.6.1 on fresh installation question , unreal-engine	4	144	June 29, 2026
[Help] UE 5.8 Cannot install VisualStudioTools plugin with compile error “cannot open include file: ‘BlueprintGraphClasses.h’” question , unreal-engine	3	706	June 29, 2026
How can I create a multiple-camera/multiple-monitor Setup? question , CPP , unreal-engine , multiple-monitors	14	12330	June 28, 2026