Hello everyone, I’m preparing an upgrade from Discourse 3.4.5 to 2026.1 and I noticed the migration 20251007123645_upgrade_pg_vector080_take2, which updates pgvector to 0.8.0 if needed. My question is: Would it be safe to manually upgrade pgvector to 0.8.0 in the current database before running t…

Is it safe to upgrade pgvector to 0.8.0 before running migration 20251007123645?

Falco (Falco) 23 februari 2026 om 13:51 2

Yes, that is safe. And it is common scenario for people running in hosted PostgreSQL services.

Topic		Antwoorden	Weergaven
Dev migration error: PGVector Development	7	222	27 augustus 2025
Extension "vector" has no update path from version "0.4.1" to version "0.7.0" (PG::InvalidParameterValue) Self-hosting	4	178	12 augustus 2024
Upgrading Old Discourse Installation Support	2	438	24 juli 2021
Upgrade failed. Database stopped. (multisite install) Self-hosting	20	367	3 december 2025
Still seeing issues. How to use “the fix”? Self-hosting	3	157	8 februari 2025