v4.2.2

Changed

• Updated the validated default application UI pin to agent-app-ui v3.2.1.

Component versions

Component	Version
agent-app-ui	v3.2.1
agent-app-orchestrator	v5.2.0
agent-app-ingestion	v3.1.1
infra / AI Landing Zone	v2.7.3

Validation

• agent-app-ui v3.2.1 source commit ec1a12912ae0771231274da9970684ffd92ac851: 550 tests passed; five checks reported zero findings. Published commit checks succeeded.
• Umbrella release, app-definition, and infrastructure contract tests: 81 passed, 54 subtests passed.
• az bicep build --file infra/main.bicep --outfile <temporary file> succeeded; the compiler emitted existing warnings.
• Full umbrella pytest -q: 572 passed, 4 skipped, and 12 test_private_network_hooks subtest failures at the ACR Task pool guard. Those tests do not exercise the changed release pins.
• Azure end-to-end acceptance has not run; it will be performed separately after publication.