## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES/NO
## What kind of change does this PR introduce?
Docs update.
## What is the current behavior?
## What is the new behavior?
Realtime postgres changes troubleshooting.
## Additional context
Just a guide for customer to check why they wont see events with
postgres changes. Couple of steps to check etc. Would appreciate
Realtime team's feedback.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Documentation**
* Added a comprehensive troubleshooting guide for Realtime Postgres
change events.
* Covers publication settings, row-level security, replica identity,
subscription status, timing gaps, project and table configuration, logs,
delivery guarantees, and network issues.
* Includes practical SQL, JavaScript, and React examples, diagnostic
steps, fixes, and links to related documentation.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
