v0.16.9

stackblitz-labs/bolt.diyv0.16.9Jun 16, 2026by github-actions[bot]

AI Summary

Fixed JMAP changes methods leaking IDs of non-shared objects, added ACME certificate freshness checks, and fixed FoundationDB cache expiration logic.

Key Highlights

Fixed JMAP changes methods leaking IDs
Added ACME freshness check
Fixed FoundationDB cache expiration
Fixed MTA message persistence

New Features

ACME: Allow specifying a preferred certificate chain

Full Release Notes

## [0.16.9] - 2026-06-15

If you are upgrading from v0.16.x, replace the binary (or run `docker pull`). If you are upgrading from v0.15.x and below, please read the [upgrading documentation](https://github.com/stalwartlabs/stalwart/blob/main/UPGRADING/v0_16.md) for more information on how to upgrade from previous versions.

## Added
- ACME: Allow specifying a preferred certificate chain.

## Changed

## Fixed
- JMAP: `*/changes` methods leak ids of non-shared objects (reported by @5ud0er).
- Sieve: Do not allow invalid certs in `http_header` function.
- FoundationDB: Fix read version cache expiration logic.
- MTA: Re-scheduling or editing a queued message reports success but persists nothing for recipients in a non-`default` virtual queue.
- CardDAV: Version requests included in `address-data` are ignored.
- ACME: Add freshness check when renewing certificates.
- Autodiscover v2: Read email address from query parameters.
- Sieve: Do not keep copies of redirected messages when `keep` is not specified.
- Registry: Object ids are parsed as numbers.


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### Check binary attestation [here](https://github.com/stalwartlabs/stalwart/attestations/31329451)