7.5 Release Plan

[jtpio]

A meta issue for the 7.5 release planning.

Features

• Open the help in a bottom panel #6692
• Remove patches for catching file browser selected items change #6890

[jtpio]

The 7.4.x branch has been created: https://github.com/jupyter/notebook/tree/7.4.x

[andrii-i]

UI/UX issues:

• Display "Click to add a cell" button as a part of notebook, not background #7565

[jtpio]

The first alpha is now available: https://github.com/jupyter/notebook/releases/tag/v7.5.0a0