Update Changelog with some smaller optimizations
@@ -17,6 +17,8 @@ and image quality improvements in this release.
* **General:**
* **Optimization:** Always skip blue-contraction for `QUANT_256` encodings.
This gives a small image quality improvement for the 4x4 block size.
+ * **Optimization:** Always skip RGBO vector calculation for LDR encodings.
+ * **Optimization:** Defer color packing and scrambling to physical layer.
* **Optimization:** Remove folded `decimation_info` lookup tables. This
reduces compressor memory footprint and improves context creation time.
Impact increases with the active block size.
