Improvements
[Clock] Implement new "Remote Clock" #3983
[Plugins] Re-implement Hyperlink plugin with Vue #4056
[Couch Object Provider] The Couch DB adapter should use a Shared Worker for the _changes feed #3880
[Imagery] Click on image to get a large view #3582
[Plots] Add option to change x plot Axis while maintaining time conductor query #2380
Bug Fixes
[Plots] legend does not update y-axis values when y-axis is changed #4079
[Couch Object Provider] Uncaught TypeError: this.stopObservingObjectChanges is not a function, Uncaught TypeError: Cannot read property 'filter' of undefined regression #4074
[Telemetry Table] changing visibility of columns only happens on re-navigation #4005
Drag into Iframe doesn't see mouseup event #3986
URL Params to hide tree and inspector help wanted #3758
Testing and CI
Add initial automated Lighthouse testing to CI #3939
Update circle and karma to support chrome:latest testing #3860
Deprecated
[Legacy] Timeline bundle should be removed #4028