v0.15.3

stalwartlabs/stalwartv0.15.3Dec 29, 2025by mdecimus

AI Summary

This patch release adds Polish locale support contributed by the community and fixes various search backend issues including Meilisearch, PostgreSQL, and FoundationDB.

Key Highlights

Added Polish locale support (contributed by @mrxkp)
Fixed Meilisearch error messages when creating indexes
Fixed PostgreSQL search email truncation to 650kb
Fixed FoundationDB large transaction batching
Fixed IMAP UTF7 encoding with Emojis

New Features

Polish locale support

Full Release Notes

## [0.15.3] - 2025-12-29

If you are upgrading from v0.14.x and below, this version includes **multiple breaking changes**. Please read the [upgrading documentation](https://github.com/stalwartlabs/stalwart/blob/main/UPGRADING/v0_15.md) for more information on how to upgrade from previous versions.
If you are upgrading from v0.15.x, replace the binary and update the webadmin.

## Added
- Polish locale support (contributed by @mrxkp) (#2480)

## Changed

## Fixed
- Meilisearch: Return correct error messages when failing to create indexes (#2574)
- PostgreSQL search: Truncate emails to 650kb for full-text search indexing.
- FoundationDB search: Batch large transactions (#2567).
- Spam filter: Fix training sample size checks
- IMAP: Fix UTF7 encoding with Emojis (contributed by @dojiong) (#2564).

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### Check binary attestation at [here](https://github.com/stalwartlabs/stalwart/attestations/15790479)