Version 1.14.3

This release contains a small number of bug fixes, enhancements and compatibility for the latest release of matplotlib. Many thanks to @stonebig, @hoxbro, @jlstevens, @jbednar and @philippjfr.

Enhancements:

• Allow applying linked selections to chained DynamicMap (#4870)
• Issuing improved error message when radd called with an integer (#4868)
• Implement MultiInterface.assign (#4880)
• Handle tuple unit on xarray attribute (#4881)
• Support selection masks and expressions on gridded data (#4882)

Bug fixes:

• Handle empty renderers when merging HoverTool.renderers (#4856)

Compatibility:

• Support matplotlib versions >=3.4 (#4878)