Release 3.21

Changes since 3.21..

• b806861 2025-02-27 16:20:22 -1000 - (HEAD, tag: 3.21, origin/master, origin/HEAD) Merge branch 'develop'
• 7205a6c 2025-02-27 16:20:11 -1000 - Merge branch 'feature/default' into develop
• 177fb39 2025-02-27 14:09:09 -1000 - Refine tests
• 5951a17 2025-02-27 13:39:47 -1000 - Only set default for real command.
• 47e9cea 2025-02-27 02:31:12 -1000 - Inital feature.
• fbdac77 2025-02-26 15:36:55 -1000 - Feature desc