I have built and pushed Firefox 65.0.1 to the following branches:
unstablealready has 65.0.1-1
As is always the case for a short-turnaround update, this package has had only minimal testing.
Release notes: https://www.mozilla.org/en-US/firefox/65.0.1/releasenotes/
Security advisory: https://www.mozilla.org/en-US/security/advisories/mfsa2019-04/
Other packages will arrive as they are built.