**Phased release**
| Milestone | Phase | Where | Feature flag (see T316767) | Task
| ----- | ----- | ----- | ----- | -----
| 1.0 | 1. Test release | test.wikidata.org | Full feature (`mul` visible for everyone, on-boarding element) | THIS TASK
| 1.0 | 1. Test release | beta.wikidata.org | Limited feature (`mul` only visible via Babels, no on-boarding element) | THIS TASK
| 1.0 | 2. Limited release | wikidata.org | Limited feature (`mul` only visible via Babels, no on-boarding element) | T330281
| 1.1 | 3. Full release | wikidata.org | Full feature (`mul` visible for everyone, on-boarding element) | T312176
**Acceptance criteria:**
[] All sub tasks are resolved
[] Full version of `mul` language code is deployed to Test Wikidata
[] Limited version of `mul` language code is deployed to Beta Wikidata