Inline field creation/editing in the field layout designer

[nexflo]

While in the field manager, it’s cumbersome actually adding fields. An add field button just like https://straightupcraft.com/craft-plugins/quick-field quick-field provided should be a core feature.

[craftedsystems]

The plugin can be found here:
https://github.com/spicywebau/craft-quick-field

[brandonkelly]

This has officially made it in for Craft 5 🎉 (#14260)

5.0.0-alpha.11 was just tagged with it.