- changelog/changelog.md: full re-scrape from live, add Apr 28 V2 live entry
- v2-migration.md: post-cutover language update (V2 live as of Apr 28)
- trading/matching-engine.md: new page on matching engine restarts/HTTP 425
- v2-migration.md: add builder API key clarification note
- relayer/submit-a-transaction.md: document POST /submit now returns immediately without transactionHash
- relayer/get-a-transaction-by-id.md: add note to poll for onchain transactionHash after submission