# Issue #65838: `inl_join` hint shows warning when `tidb_opt_advanced_join_hint=OFF` but silently fails when `ON`

## Metadata
- Issue: https://github.com/pingcap/tidb/issues/65838
- Status: open
- Type: type/bug
- Created At: 2026-01-27T07:41:56Z
- Labels: affects-8.5, contribution, report/customer, severity/major, sig/planner, type/bug

## Customer-Facing Phenomenon
- Executed a query with hint on TiDB v8.5.5 with different settings of :

## Linked PRs
- No linked PR was found from the issue timeline.

## Notes
- This issue is still open. Use this file as a reminder list for customer-driven gaps that still need a fix or a completed rollout.