# PostgREST v10: EXPLAIN and Improved Relationship Detection

DevFeed: [PostgREST v10: EXPLAIN and Improved Relationship Detection](<https://devfeed.tech/articles/postgrest-v10-explain-and-improved-relationship-detection-524.md>)

Original publisher: [Read original article](<https://supabase.com/blog/postgrest-v10>)

Author: Steve Chavez

Published: 2022-08-19T07:00:00Z

Content type: release

Language: en

Sources: [Supabase Blog](<https://devfeed.tech/sources/supabase-blog.md>)

Topics: [Database](<https://devfeed.tech/topics/database.md>), [Remote Procedure Call (RPC)](<https://devfeed.tech/topics/rpc.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [database](<https://devfeed.tech/tags/database.md>), [features](<https://devfeed.tech/tags/features.md>), [http](<https://devfeed.tech/tags/http.md>), [performance](<https://devfeed.tech/tags/performance.md>), [policy](<https://devfeed.tech/tags/policy.md>), [postgresql](<https://devfeed.tech/tags/postgresql.md>), [release](<https://devfeed.tech/tags/release.md>), [rpc](<https://devfeed.tech/tags/rpc.md>), [sql](<https://devfeed.tech/tags/sql.md>)

## AI overview

PostgREST v10 introduces HTTP-accessible query execution plans, including support for reads, writes, and RPC. The article explains using EXPLAIN output to inspect query performance and RLS-policy behavior, and to retrieve query identifiers for Supabase logs.

## Source excerpt

Today, PostgREST 10 was released. Let's take a look at some of the new features that go hand in hand with supabase-js v2.