update changelog and readme (#1495)

Author: floooh

CHANGELOG.md

@@ -1,5 +1,23 @@
 ## Updates
 
+### 11-May-2026
+
+- A new header `sokol_framebuffer.h` has been added which provides a 'CPU framebuffer'
+  in 32-bits-per-pixel direct-color mode or 8-bits-per-pixel color-palette mode
+  (Mode13H-style).
+
+  Implementation PR: https://github.com/floooh/sokol/pull/1495
+
+  New samples:
+    - [framebuffer-sapp.c](https://floooh.github.io/sokol-html5/framebuffer-sapp.html): a 'simplest possible' example
+    - [ilbm-sapp.c](https://floooh.github.io/sokol-html5/ilbm-sapp.html): load and display Amiga IFF ILBM images
+
+  The following side-projects have also been moved to sokol_framebuffer.h (see the
+  sokol_framebuffer.h implementation PR for links to the side-project PRs):
+    - [Doom on Sokol](https://floooh.github.io/doom-sokol/)
+    - [Tiny Emulators](https://floooh.github.io/tiny8bit/)
+    - [Pacman.c](https://floooh.github.io/pacman.c/pacman.html)
+
 ### 01-May-2026
 
 - sokol_app.h macos: Move `activationPolicy` in front of window

README.md

@@ -6,7 +6,7 @@
 
 # Sokol
 
-[**See what's new**](https://github.com/floooh/sokol/blob/master/CHANGELOG.md) (**21-Apr-2026**: new header: sokol_letterbox.h)
+[**See what's new**](https://github.com/floooh/sokol/blob/master/CHANGELOG.md) (**11-May-2026**: new header: sokol_framebuffer.h)
 
 [![Build](/../../actions/workflows/main.yml/badge.svg)](/../../actions/workflows/main.yml) [![Bindings](/../../actions/workflows/gen_bindings.yml/badge.svg)](/../../actions/workflows/gen_bindings.yml) [![build](https://github.com/floooh/sokol-zig/actions/workflows/main.yml/badge.svg)](https://github.com/floooh/sokol-zig/actions/workflows/main.yml) [![build](https://github.com/floooh/sokol-nim/actions/workflows/main.yml/badge.svg)](https://github.com/floooh/sokol-nim/actions/workflows/main.yml) [![Odin](https://github.com/floooh/sokol-odin/actions/workflows/main.yml/badge.svg)](https://github.com/floooh/sokol-odin/actions/workflows/main.yml)[![Rust](https://github.com/floooh/sokol-rust/actions/workflows/main.yml/badge.svg)](https://github.com/floooh/sokol-rust/actions/workflows/main.yml)[![Dlang](https://github.com/floooh/sokol-d/actions/workflows/build.yml/badge.svg)](https://github.com/floooh/sokol-d/actions/workflows/build.yml)[![C3](https://github.com/floooh/sokol-c3/actions/workflows/build.yml/badge.svg)](https://github.com/floooh/sokol-c3/actions/workflows/build.yml)
 
@@ -85,6 +85,7 @@ useful details for integrating the Sokol headers into your own project with your
 - [**sokol\_color.h**](https://github.com/floooh/sokol/blob/master/util/sokol_color.h): X11 style color constants and functions for creating sg_color objects
 - [**sokol\_spine.h**](https://github.com/floooh/sokol/blob/master/util/sokol_spine.h): a sokol-style wrapper around the Spine C runtime (http://en.esotericsoftware.com/spine-in-depth)
 - [**sokol\_letterbox.h**](https://github.com/floooh/sokol/blob/master/util/sokol_letterbox.h): compute viewport params for rendering fixed-aspect-ratio content in a variable-aspect-ratio canvas
+- [**sokol\_framebuffer.h**](https://github.com/floooh/sokol/blob/master/util/sokol_framebuffer.h): provides CPU-framebuffers rendered via sokol_gfx.h
 
 ## 'Official' Language Bindings