Micael Oliveira requested to merge remove_experimental into hotfix-11.1 Sep 01, 2021

Description

Several features are not experimental any more:

DFT+U
Casida triplets
Parsing of XML pseudopotentials
Time-propagation with k-point symmetries

News snippet

Remove experimental status from several features.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.