# PG13 compatibility issue 🔥

**URL:** https://meta.discourse.org/t/pg13-compatibility-issue/331068
**Category:** Bug
**Created:** [October 15, 2024, 10:28pm UTC](https://meta.discourse.org/t/pg13-compatibility-issue/331068 "2024-10-15T22:28:32Z")
**Posts on this page:** 1
**Showing post:** 11

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### Author: ![ted](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/ted/32/283882_2.png) [@ted](https://meta.discourse.org/u/ted)
#### Post date: [October 18, 2024, 4:35am UTC](https://meta.discourse.org/t/pg13-compatibility-issue/331068/11 "2024-10-18T04:35:33Z")

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> [@RGJ](#):
>
> this change will not have any effect on PG13 since the `NULLS NOT DISTINCT` will be ignored

I have a PR up here that should work for PG13 as well. 🙏

[https://github.com/discourse/discourse/pull/29272](https://github.com/discourse/discourse/pull/29272)

> [@RGJ](#):
>
> attempting to restore a backup from a PG15 server to a PG13 server will fail with the following error

We’re still considering how realistic this case is in the wild, and how much we should potentially invest in working around it. 🙏

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_[View the full topic](https://meta.discourse.org/t/pg13-compatibility-issue/331068)._