Bump version to 2.9.0rc2 (mastodon#11070)

CHANGELOG.md

@@ -14,6 +14,7 @@ All notable changes to this project will be documented in this file.
 - Add emoji suggestions to content warning and poll option fields in web UI ([ThibG](https://github.com/tootsuite/mastodon/pull/10555))
 - Add `source` attribute to response of `DELETE /api/v1/statuses/:id` ([ThibG](https://github.com/tootsuite/mastodon/pull/10669))
 - Add some caching for HTML versions of public status pages ([ThibG](https://github.com/tootsuite/mastodon/pull/10701))
+- Add button to conveniently copy OAuth code ([ThibG](https://github.com/tootsuite/mastodon/pull/11065))
 
 ### Changed
 
@@ -53,6 +54,8 @@ All notable changes to this project will be documented in this file.
 - Fix avatar preview aspect ratio on edit profile page ([Kjwon15](https://github.com/tootsuite/mastodon/pull/10931))
 - Fix web push notifications not being sent for polls ([ThibG](https://github.com/tootsuite/mastodon/pull/10864))
 - Fix cut off letters in last paragraph of statuses in web UI ([ariasuni](https://github.com/tootsuite/mastodon/pull/10821))
+- Fix list not being automatically unpinned when it returns 404 in web UI ([Gargron](https://github.com/tootsuite/mastodon/pull/11045))
+- Fix login sometimes redirecting to paths that are not pages ([Gargron](https://github.com/tootsuite/mastodon/pull/11019))
 
 ## [2.8.4] - 2019-05-24
 ### Fixed

lib/mastodon/version.rb

@@ -21,7 +21,7 @@ def pre
  end
 
  def flags
- 'rc1'
+ 'rc2'
  end
 
  def to_a