python: update changelog

python/CHANGELOG.md

@@ -9,9 +9,26 @@ _At the moment, the project does **not** adhere to [Semantic Versioning](https:/
 ## [0.12.2] - unreleased
 [0.12.2]: https://github.com/trezor/trezor-firmware/compare/python/v0.12.1...master
 
+### Added
+
+- `trezorlib.toif` module (moved from internal) can encode and decode TOIF image format
+- `trezorctl set homescreen` was improved and extended to support PNG images for Trezor T
+
+### Changed
+
+- trezorctl will correctly notify the user if the image decoding library is missing
+
 ### Fixed
 
-- fix `UnboundLocalError` in `trezorctl btc get-address`  [#1179]
+- fix exception in `trezorctl btc get-address`  [#1179]
+- fix exception in `trezorctl lisk sign-message`
+- fix exception in trezorctl commands that accept filenames  [#1196]
+- fix "Invalid homescreen" error when un-setting homescreen
+
+### Removed
+
+- removed option `--skip-vendor-header` from `trezorctl firmware-update` which did nothing  [#1210]
+
 
 ## [0.12.1] - 2020-08-05
 [0.12.1]: https://github.com/trezor/trezor-firmware/compare/python/v0.12.0...python/v0.12.1
@@ -37,6 +54,7 @@ _At the moment, the project does **not** adhere to [Semantic Versioning](https:/
 - unified file arguments in trezorctl
 - `TrezorClient.ping()` does not crash when device is PIN-locked
 
+
 ## [0.12.0] - 2020-04-01
 [0.12.0]: https://github.com/trezor/trezor-firmware/compare/python/v0.11.6...python/v0.12.0
 
@@ -460,3 +478,5 @@ _At the moment, the project does **not** adhere to [Semantic Versioning](https:/
 [#1052]: https://github.com/trezor/trezor-firmware/issues/1052
 [#1126]: https://github.com/trezor/trezor-firmware/issues/1126
 [#1179]: https://github.com/trezor/trezor-firmware/issues/1179
+[#1196]: https://github.com/trezor/trezor-firmware/issues/1196
+[#1210]: https://github.com/trezor/trezor-firmware/issues/1210