The Browser Company has rolled out version 1.34.1 (build 81705) for the macOS version of Dia. It delivers important stability and security improvements, and it’s suggested that users apply the update immediately.
The release notes for this version are not yet reflected on Dia’s official changelog page. Instead, they come via a reliable community tracker on the r/diabrowser subreddit, where user JaceThings consistently shares just about every new build with accurate details shortly after release.

It’s worth noting that version 1.34.1 isn’t the latest version of Dia at the time of writing. The older version number was highlighted in the Reddit post because it’s the one with the essential security updates. The versions following that in the past few days were just minor updates, which also don’t have an official changelog.
The latest build is 1.34.2 (build 81865). If you’re running an older version, I’d recommend updating immediately for the security updates.

The update also implements “Out Of Process Web Page Reading,” which is an architecture-level shift in the handling of webpages. The security updates are actually a result of updating the Chromium engine to version 149, which is the latest stable version, and it patches 429 vulnerabilities.
There were various high-severity issues such as memory corruption, sandbox trouble, and more.
While security improvements are welcome, I would’ve liked to see a more feature-rich update. Spaces are still missing from Dia, and the Little Arc feature (which opens links in a separate floating window that you can integrate with the main view) is also missing, despite several months of waiting. The pace of addition of features is rather slow.
In other Dia news… the company is quietly phasing out the Pro subscription of the browser. You can read about that here.
For Chrome, Google just patched a scary zero-day vulnerability, also part of the .149 releases. We covered that here.