docs: Add missing changelog entries

Author: Stranger6667

CHANGELOG.md

@@ -13,6 +13,7 @@
 ### Performance
 
 - Use `Formatter.write_str` instead of `write!` macro in the `Display` trait implementation for `InlineError`. [#85](https://github.com/Stranger6667/css-inline/issues/85)
+- Use `Cow` for error messages. [#87](https://github.com/Stranger6667/css-inline/issues/87)
 
 ## [0.5.0] - 2020-08-07
 

python/CHANGELOG.md

@@ -2,9 +2,14 @@
 
 ## [Unreleased]
 
+### Changed
+
+- Links to remote stylesheets are deduplicated now.
+
 ### Performance
 
 - Avoid setting module docstring twice
+- Use `Cow` for error messages. [#87](https://github.com/Stranger6667/css-inline/issues/87)
 
 ## [0.5.0] - 2020-08-07
 

wasm/CHANGELOG.md

@@ -0,0 +1,26 @@
+# Changelog
+
+## [Unreleased]
+
+### Changed
+
+- Links to remote stylesheets are deduplicated now.
+
+### Performance
+
+- Use `Formatter.write_str` instead of `write!` macro in the `Display` trait implementation for `InlineError`. [#85](https://github.com/Stranger6667/css-inline/issues/85)
+- Use `Cow` for error messages. [#87](https://github.com/Stranger6667/css-inline/issues/87)
+
+## [0.5.0] - 2020-08-07
+
+### Performance
+
+- Avoid string allocation in `get_full_url`
+
+## [0.4.0] - 2020-07-13
+
+- Initial public release
+
+[Unreleased]: https://github.com/Stranger6667/css-inline/compare/wasm-v0.5.0...HEAD
+[0.5.0]: https://github.com/Stranger6667/css-inline/compare/wasm-v0.4.1...wasm-v0.5.0
+[0.4.1]: https://github.com/Stranger6667/css-inline/compare/wasm-v0.4.0...wasm-v0.4.1