Update changelog

CHANGELOG.md

@@ -139,6 +139,7 @@
 - Updated ComposeModal, add maxlength attribute to alt text input. Fixes ([#2490](https://github.com/pixelfed/pixelfed/issues/2490)). ([526b5531](https://github.com/pixelfed/pixelfed/commit/526b5531))
 - Updated PublicApiController, add state endpoint. ([9fc5a80c](https://github.com/pixelfed/pixelfed/commit/9fc5a80c))
 - Updated PostComponent, add reply modal. ([a10d851f](https://github.com/pixelfed/pixelfed/commit/a10d851f))
+- Updated Timeline, remove simple mode and set labs deprecation date. ([df9c3adf](https://github.com/pixelfed/pixelfed/commit/df9c3adf))
 
 ## [v0.10.9 (2020-04-17)](https://github.com/pixelfed/pixelfed/compare/v0.10.8...v0.10.9)
 ### Added