FYI, I plan to start the release process in the afternoon Montreal time, in ~6h. If there is any last-minute PR you’d like to merge before (and are confident will not break functionality), please do so ASAP.
[original thread by Marc Dumais]
I updated the changelog here https://github.com/theia-ide/theia/pull/4445, let me know if there are any changes required 
I’ll try and keep up to date if there are new features that get added by the time to release is ready.
Hi, I will get started now - please do not merge anything until I am done
ok, all done
Note that there are some API breaking changes in this release. Please see CHANGELOG.md at the repo root for more details.
[Peter Haumer]
Looks like this files was not updated with the new version: https://github.com/theia-ide/theia/blob/v0.4.0/examples/browser/package.json
Hi Peter, indeed, thanks for noticing. It seems that lerna did not step the versions for examples/browser application
Will fix immediately
Merged.