Add Teletype highlights from the past week

docs/focus/2018-04-09.md

@@ -7,6 +7,9 @@
   - Started implementing [atom/github/#1374 "Add dialog for new co-author"](https://github.com/atom/github/pull/1374).  This includes UI polish and some bugfixes for existing co author flows.  @kuychaco / @annthurium
   - Merged [atom/github#1364 "Undo last commit and amend context menu option"](https://github.com/atom/github/pull/1364) @kuychaco / @annthurium
 - Teletype
+  - Enhanced file metadata syncing to update guest workspaces when host renames a shared file ([atom/teletype#147](https://github.com/atom/teletype/issues/147#issuecomment-378401644)). Thanks, [@CaptainJohnyAppleSeed](https://github.com/CaptainJohnyAppleSeed) and [@odoyle71](https://github.com/odoyle71)!
+  - Improved handling (hopefully 🤞) of potential race condition when joining a portal with poor network connectivity ([atom/teletype-client#58](https://github.com/atom/teletype-client/pull/58))
+  - Published [Teletype 0.12.0](https://github.com/atom/teletype/releases/tag/v0.12.0) with the above improvements
 - Xray
 - Reactor Duty
 
@@ -17,6 +20,5 @@
   - Get "Add dialog for new co-author" [atom/github#1374](https://github.com/atom/github/pull/1374) merged. @annthurium / @kuychaco
   - Start implementing code coverage to get better visibility into our unit test coverage gaps. @annthurium
   - Revive the React 16 and Enzyme port started in [atom/github#1174](https://github.com/atom/github/pull/1174). @smashwilson
-- Teletype
 - Tree-sitter
 - Xray

docs/focus/README.md

@@ -122,7 +122,7 @@ Longer-term goal: Provide the world's fastest transition from "I want to collabo
 
 ##### 4. Prioritized bugs
 
-- [ ] Uncaught TypeError: Cannot match against 'undefined' or 'null' (https://github.com/atom/teletype/issues/233)
+- [x] Uncaught TypeError: Cannot match against 'undefined' or 'null' (https://github.com/atom/teletype/issues/233)
 
 ## Looking farther ahead