SDL_image: document the new stb_image backend and its configuration options

From 5881437e531bb19f5864c97a7d5cc0dbbfc984d6 Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Sun, 29 May 2022 17:10:02 +0300
Subject: [PATCH] document the new stb_image backend and its configuration
 options

---
 CHANGES.txt | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/CHANGES.txt b/CHANGES.txt
index f8a62b9..4b5717c 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,6 @@
 2.0.6:
+ * Added stb_image as the default backend for JPG and PNG images loading.
+   To use libpng and libjpg instead configure using --disable-stb-image
  * Added IMG_LoadSizedSVG_RW()
  * Added support for AVIF images (https://github.com/AOMediaCodec/libavif)
  * Added IMG_ReadXPMFromArrayToRGB888()