New release v0.4.0:
- Set tooltip for variants fields when A/B test is already activated
  - T379247: MPIC: Set form fields as read-only where appropriate when editing an instrument/experiments
- Remove "Start from template" option:
  - T381309: MPIC: Remove "What would you like to do" section from forms
- Duration form improvements: start and end date instead amount time and description
  - T377816: MPIC: Duration form group improvements
- Determine how contextual attributes should be populated.
  - T366951: MPIC: Determine how contextual attributes should be populated
  - T377353: MPIC: Error thrown if optional description field is left empty
  - T380230: MPIC: Replace cdxIconAlert by new Power icon in actions menu
- Set font weight as bold for titles in the Read view
  - T381319: [MPIC] Variable Titles on Intrument / Experiment page no longer bold
- Update MPIC API response for variants:
  - T375906: Simplify ExperimentManager API
- New flag to save when an instrument/experiment was activated for the first time:
  - T379247: MPIC: Set form fields as read-only where appropriate when editing an instrument/experiments
  - T379355: MPIC: Register the fact that an instrument/experiment has been activated for the first time
- Fixed wrong style for some labels that were configured as description instead:
  - T377558: MPIC: Correct typographic styles