Release v0.2.1 with multiple optimizations (#127)

Author: Shnatsel

CHANGES.md

@@ -1,5 +1,17 @@
 # Release Notes
 
+### Version 0.2.1
+
+Changes:
+ - Increased the required Rust compiler version to v1.80
+
+Optimizations:
+ - Removed bounds checks from hot loops in `read_coefficients()` (#121)
+ - Faster YUV -> RGBA conversion for a 7% speedup on lossy RGBA images (#122)
+ - Faster alpha blending for up to 20% speedup on animated images (#123)
+ - Much faster arithmetic decoding for up to 30% speedup on lossy images (#124)
+ - Avoid unnecessarily cloning image data for a 4% speedup (#126)
+
 ### Version 0.2.0
 
 Breaking Changes:

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "image-webp"
-version = "0.2.0"
+version = "0.2.1"
 edition = "2021"
 license = "MIT OR Apache-2.0"
 rust-version = "1.80.1"