Add changelog for v4.0.0 release#633

Merged

isaacbrodsky merged 4 commits intouber:masterfrom

isaacbrodsky:bump-4.0.0

Aug 23, 2022

Commits on Aug 3, 2022

Prepare for v4.0.0 release
Isaac Brodsky
committed
changelog notes for v4.0.0
Isaac Brodsky
committed

Commits on Aug 17, 2022

Merge branch 'master' into bump-4.0.0
Isaac Brodsky
committed

Commits on Aug 23, 2022

update release date
Isaac Brodsky
committed