4.19.0

New Features

[1593cc4] Allow to compute action label dynamically with a callable (@hhamon)
[2307da5] Upgrade WebpackEncore version (@javiereguiluz)
[f63b8a9] Update minimum Twig requirement to 3.15 (@javiereguiluz)

Bug Fixes

[29f2267] Allow use of ux-icons in form fields (@andersonamuller)
[6ea974b] Fix create form when entity id not set (@alexndlm)
[452ddec] Some fixes related to pretty URLs (@javiereguiluz)