upstream(n8n): 2.35.x release notes

cc-ci-plan/upstream/n8n.md

@@ -50,3 +50,18 @@
 - 2026-08-07 run: operator directed 2.33.3 -> 2.34.2 (the newest). The whole 2.34.x line is still
   marked Pre-release on GitHub (2.33.5 holds the Latest badge); flagged in the PR body. No breaking
   changes across 2.33.3 -> 2.34.2; rolling upgrade safe (TypeORM migrations auto-run on boot).
+- 2.35.0 (2026-08-11, Pre-release): major feature release — self-hosted AI Assistant onboarding,
+  Simplified Custom Auth credentials, Agent Builder test runs + HITL, Discord agent chat channel,
+  local agent token counting, **VM expression engine now the default** (was opt-in), MCP SDK v2
+  migration + MCP 2026-07-28 discovery handshake, Kafka Node v2, Salesforce OAuth2 JWT, GitHub
+  dispatch timeout, X/Twitter Node OAuth2/API migrated to x.com, Azure Key Vault configurable
+  endpoints, Postgres-version startup warning, workflow review improvements (diffs, metadata, version
+  descriptions), and numerous core/editor bugfixes. No breaking compose/config/migration changes.
+- 2.35.1 (2026-08-12, Pre-release): 2 core bugfixes — data-tables resume scope, TLS options per hop
+  through a proxy.
+- 2.35.2 (2026-08-13, Pre-release): 1 core bugfix — report real activation mode for triggers via
+  publication outbox. **Deployed on cc-ci 2026-08-15**: 2.34.4→2.35.2, TypeORM migrations clean,
+  editor served HTTP 200. No breaking changes, no N8N_* env renames, no required operator action.
+- 2.35.3 (2026-08-14, Pre-release): bugfixes (Google Ads v21→v25 API migration, MS Teams OAuth scope
+  restore, workflow publication outbox abort deadline) + feature (skip update approval for workflows
+  from same Instance AI session). Not deployed (2.35.2 was the survey target).