explicit context, imgui_multicontext_compositor

Useful-Extensions.md

@@ -27,6 +27,7 @@ _(wiki editors: the images on this page are 500x250 pixels. please try to keep n
 - [2D/3D manipulation Gizmos](#2d3d-manipulation-gizmos)
 - [Inspectors, Serialization](#inspectors-serialization)
 - [C++ness](#cness)
+- [Multi-Context](#multi-context)
 - [Unreal Engine specific](#unreal-engine-specific)
 - [Miscellaneous](#miscellaneous)
 - [Third Party Repos](#third-party-repos)
@@ -377,6 +378,17 @@ Many more Node Editors at [#306](https://github.com/ocornut/imgui/issues/306).
 **imguiwrap**: CMake wrapper for imgui and C++17+ based RAII bindings, and helpers for bootstrapping simple projects.
 <BR> [github/kfsone/imguiwrap](https://github.com/kfsone/imguiwrap)
 
+# Multi-Context
+
+**Explicit context pointer PR/patch** (2023-2024)
+<BR> [#5856](https://github.com/ocornut/imgui/pull/5856)
+<BR> [github/Dragnalith/imgui](https://github.com/Dragnalith/imgui)
+<BR> ![explicit context](https://github.com/user-attachments/assets/fd07de7b-5ff5-48a2-bec8-4e075900e4b0)
+
+**Multi-Context Compositor** (2024)
+<BR> [github/ocornut/imgui_club](https://github.com/ocornut/imgui_club)
+<BR> ![imgui_multicontext_compositor](https://github.com/user-attachments/assets/4f1700d3-d784-4836-9e43-4920387ad11f)
+
 # Unreal Engine specific
 
 (to be combined with an Unreal Engine backend, see [Bindings & Backends](https://github.com/ocornut/imgui/wiki/Bindings))