what

Describe high-level what changed as a result of these commits (i.e. in plain-english, what do these changes mean?)
Use bullet points to be concise and to the point.

why

Provide the justifications for the changes (e.g. business case).
Describe why these changes were made (e.g. why do these commits fix the problem?)
Use bullet points to be concise and to the point.

Link to any supporting github issues or helpful documentation to add some context (e.g. stackoverflow).
Use closes #123, if this PR closes a GitHub issue #123