This is off by default as MemoryProfiler in STATS system functionality is deprecated in UE 5.3. For memory profiling, use instead Trace/MemoryInsights and/or LLM.
#jira UE-183900
#rb Johan.Berg
#preflight 64428b470206a6e20f579812
[CL 25145603 by ionut matasaru in ue5-main branch]
Root cause was the Editor/UFE framerate dropping too low when there was a lot of stat data arriving. This meant the keep-alive Ping request from the game could not be acknowledged fast enough to avoid the 5s disconnection timeout.
- decompress incoming stat messages via a task pipe to avoid saturating all cores.
- only process a few stat messages per frame.
- reduce the timeslice for stat aggregation during live data preview.
However, if bandwidth is saturated (typically by a very large amount of log spam being sent to the Session Frontend too) then the connection can still be lost.
Note: It's recommended to use Unreal Insights instead of the Session Profiler for UE5.
#jira UE-174072
#rb Ionut.Matasaru, Francis.Hurteau
#rnx
#preflight 63ca5570894b640314806628
[CL 23787313 by David Harvey in ue5-main branch]
- Expanded FDeprecateSlateVector2D to provide structs for parameters, return types and member variables that use FVector2f, while still allowing conversion to/from FVector2d with optional per-module deprecation mechanisms.
- Many of the high-traffic SlateCore types like FSlateBrush, FGeometry and FSlateLayoutTransform have been converted to use these deprecation mechanisms.
- Some legacy FGeometry::ToPaintGeometry and MakeChild overloads have been explicitly deprecated since they cause ambiguous overloads with FSlateLayoutTransform if it were to support implicit construction.
- Deprecated ULocalPlayer::GetPixelBoundingBox and GetPixelPoint to prefer FVector2f for OptionalAllotedSize parameter since this parameter is expected to come from FGeometry
- Exposed FVector2f members to blueprints
#jira none
#rb Andy.Davidson, Dave.Jones, Vincent.Gauthier, Patrick.Boutot
#preflight 63bc6fd068068a8bd6027c9f
[CL 23631073 by Andrew Rodham in ue5-main branch]
Removed redundant private include paths from build.cs files.
Fixed include paths to be relative to the private or public folders.
Hid or removed includes that reached into other private module folders.
Updated PublicInclude paths when necessary.
#jira
#preflight 631e281694758d0bf2ea1399
[CL 21960082 by bryan sefcik in ue5-main branch]
* Contains some selected back outs from other cls that included config context dependent changes, though it's limited to only backing out broken parts as much as possible to minimize surface area.
[Backout] - CL20029182
[FYI] josh.adams
Original CL Desc
-----------------------------------------------------------------
- Adding FConfigContext which is used to repalce LoadExternalIniFile, LoadLocalIniFile, etc, as well as have localized data for all configs read on a thread (like the other platform configs loaded in the editor)
- The Load*IniFile functions will create a Context, but eventually those APIs will go away and the Context will be the only way to load ini files
- Simplified some of the ini loading code, like removing the HierarchyCache (it wasn't helping editor load times, and added much complexity, and was not thread-safe, and it shouldn't actually be helpful because all the calls to Load*IniFile should eventually be replaced with either GConfig or FCOnfigCacheIni::ForPlatform(), which won't need to re-read in files
- Ini reading time actually went down due to the simplification, including Cache removal
- Left in old code for now behing a #define (USE_CONTEXT) in case something goes wrong
- Added in VERIFY_CONTEXT mode which I used to run original and Context modes and compare (including preflighting builds) (I also added a Compare function that we may want to keep around to use for future debugging)
- Added a separate set of config layers for plugins which speeds up plugin parsing, but also will fix the issue with BaseEngine.ini vs DefaultEngine.ini in Engine vs Project plugins (this shows how Contexts can bring useful information down into the guts - however a later change will enable it)
- Once this is all seen to be working, I will clean up the non-Context functions, and some globals vs static members, etc
#rb paul.chipchase
#preflight 62716c1c5e6ce673f452005a
#ROBOMERGE-AUTHOR: josh.adams
#ROBOMERGE-SOURCE: CL 20029165 via CL 20029180 via CL 20905839 via CL 20905880
#ROBOMERGE-BOT: UE5 (Release-Engine-Staging -> Main) (v971-20777995)
[CL 20908094 by mic rooney in ue5-main branch]
