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Dev tools · December 10, 2022

PC

Pg_CRDT – an experimental CRDT extension for Postgres

This is an experimental extension for CRDTs, pg_crdt: GitHub repo[0]. It supports Yjs/Yrs and Automerge. The linked blog post [1] describes how we're thinking about this extension in a Supabase context. I want to emphasise this part: "pg_crdt has not been released onto the Supabase platform (and it may never be). We’re considering many options for offline-sync/support and, while CRDTs will undoubtedly factor in, we’re not sure if this is the right approach." [0] GitHub repo: https://github.com/supabase/pg_crdt [1] Blog post:…

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In plain words

Pg_CRDT is an experimental PostgreSQL extension that adds support for Conflict-free Replicated Data Types (CRDTs), compatible with Yjs, Yrs, and Automerge. It is designed for developers exploring offline synchronization and collaborative data management in databases. The extension remains experimental and has not been released on the Supabase platform, as the team continues evaluating approaches to offline-sync support.

written from the facts on this page · September 2026

From the sources

In the maker’s words, at launch

This is an experimental extension for CRDTs, pg_crdt: GitHub repo[0]. It supports Yjs/Yrs and Automerge. The linked blog post [1] describes how we're thinking about this extension in a Supabase context. I want to emphasise this part: "pg_crdt has not been released onto the Supabase platform (and it may never be). We’re considering many options for offline-sync/support and, while CRDTs will undoubtedly factor in, we’re not sure if this is the right approach." [0] GitHub repo: https://github.com/supabase/pg_crdt [1] Blog post: https://supabase.com/blog/postgres-crdt

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