Here’s a new beta version of SpamSieve. The changes are:
- Made various changes to improve SpamSieve’s filtering accuracy.
- Made further changes to work around an issue with macOS Tahoe 26 where it would keep trying to re-add the SpamSieve icon to the menu bar even if you’d turned the Show menu bar icon feature off.
- A small percentage of customers using macOS Tahoe 26 with an IMAP account are seeing slow or non-functional training in Apple Mail. The Slow Apple Mail Training section of the manual discusses how you can enable an experimental workaround for this if it’s affecting you.
- With recent versions of macOS no longer using Swift Regex by default, we’ve added an experimental setting to opt into using it. This may offer better performance, it could be useful in the case of patterns that trigger problems with the ICU regex engine, and it will allow testing to detect further Swift Regex bugs before an eventual switchover. You can switch SpamSieve to use Swift Regex by clicking here or go back to ICU by clicking here. Prior to macOS 14.4, SpamSieve will always use ICU due to bugs in Swift Regex that can cause hangs.
- Improved the performance of capturing stack trace information for errors.
- If an error -1751 occurs when training a message in Apple Mail, SpamSieve will now recommend granting Full Disk Access to prevent that.
- Fixed a hang when processing a message with malformed HTML.
- Rewrote the If Apple Mail Is Running Slowly section of the manual.
- Improved the Mail extension’s error logging.
If you have not installed a beta version of SpamSieve before, first click here to enter the beta key. Thereafter, you can just launch SpamSieve or choose Software Update from the SpamSieve menu to auto-install the beta. SpamSieve will also notify you about future betas automatically. You can click here to stop receiving in-app notifications of beta versions.