Lever change history: Authentication Issue - 500 Error and Email/Calendar Sync Failures

Lever reported a major Nylas authentication incident causing email/calendar sync failures and 500 errors, starting 2026-07-08 20:03 UTC and lasting 20 h 15 min. A fix restored sync; the postmortem cited a Node.js runtime regression affecting outbound third-party connections, while Office 365 and Google authentication showed no similar behavior.