# clm_E5384E161990

subject: Supabase (/record/supabase.md)  
predicate: feature_added  
value: Realtime Security  
valid_from: 2021-09-10  
valid_to: null  
published: 2021-09-10  
recorded: 2026-11-03  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-03  
checked: 2026-11-03 · its source page states the value and the date  

> Realtime Security, codename: WALRUS # If you've been waiting for Row Level Security to land in Postgres subscriptions , then you're going to love our new repo: Write Ahead Log Realtime Unified Security (WALRUS) .

What https://supabase.com/blog/supabase-beta-august-2021 says, word for word.

## Sources

- https://supabase.com/blog/supabase-beta-august-2021 (primary, Supabase, published 2021-09-10)

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