Pale Moon has been updated to version 28.6.0. This is a major development update, focusing on under-the-hood improvements and bugfixes, code cleanup, and performance.
See the long list of changes and fixes in the Release Notes.
To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window. Click About Pale Moon and Check for Updates.
Pale Moon has been updated to version 28.6.0.1. This is an out-of-band update to fix some pressing issues with the latest release. Linux versions will follow when the Linux builders have had time to make fresh builds.