Pale Moon has been updated to version 33.9.0. This is a major development, bugfix and security release, The update is focusing primarily on improving web compatibility.
See the Release Notes (https://www.palemoon.org/releasenotes.shtml) for the long list of new features, changes/fixes as well as the implementation notes.
Update: To get the update now, select "Help" from the Pale Moon menu at the upper left of the browser window. Select About Pale Moon > Check for Updates.