Zettlr © Hendrik Erz 2017–2026

Developed with between Sweden and Germany

Blog

News, announcements, and other tips and tricks around the app. Subscribe to the feed to stay up to date with new posts.


13 Jun 2026

Zettlr 4.6.0 Released

  • Hendrik Erz
  • Releases

We are pleased to announce the release of Zettlr 4.6.0, which brings many improvements and fixes to the app to make your work more productive.

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12 May 2026

An AI Usage Policy for Zettlr

  • Hendrik Erz
  • Announcements

With the adoption of LLMs into society, new opportunities and problems emerge. With the proliferation of AI coding agents comes the need to regulate these new tools. After evaluating how people use generative AI over the past years, we have now decided to implement the first AI Usage Policy for Zettlr to help steer the use of these new tools across our community.

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07 Mar 2026

A few weeks ago, Zotero released the next big release, version 8.0. This has caused a bit of chaos, however, since it sherlocked a primary feature of the Better BibTex extension. This has led to a few weeks of hiccups and issues for many users. In this post, we explain what you can do if you are affected, and provide a bit of background as to what exactly happened. If you have noticed oddities in how Zotero and Zettlr works, this post is for you.

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28 Jan 2026

Selling Trust, Part 3

  • Hendrik Erz
  • Uncategorized

Five years ago, I wrote about an issue I described with "Selling Trust" — the tendency of companies to provide code signing certificates at increasingly high prices. Zettlr uses code signing so that the many users of the app who use Windows can install and use it without issues. However, Microsoft makes it increasingly difficult to provide safe and clean software to users on Windows. It is time for the third time of describing why this is dangerous for users, developers, and Open Source at large.

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26 Dec 2025

Zettlr 4.0 Released

  • Hendrik Erz
  • Announcements, Releases

Today we have reason to celebrate: First, Zettlr turns eight years old. Second, we are proud to release Zettlr 4.0 — our biggest update ever. Read more to learn all there is about a fully revamped app experience, documentation, and all the new features we have to offer.

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26 Apr 2025

An APT Repository for Zettlr

  • Hendrik Erz
  • Announcements

We are excited to announce that Zettlr now features its own, official APT repository to make installing Zettlr on Debian-based operating systems much easier than before. Read more on how to use it yourself in our new post.

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15 Feb 2025

In the coming weeks, there will be three updates for Zettlr that Windows users must pay special attention to. The reason is that we must exchange the existing code signing certificate. Please carefully read this announcement.

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26 Dec 2024

Happy Birthday, Zettlr!

  • Hendrik Erz
  • Announcements

2024 is coming to an end, and you know what this means: Zettlr turns a year older! Read more on Zettlr's achievements in 2024, what our plans are for 2025, and what else there is in stock. This year, we are particularly proud to announce the re-opening of our user forum, and our first ever user-survey! Happy seventh birthday, Zettlr!

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02 Jul 2024

Introducing the Zettlr Steering Committee

  • Hendrik Erz
  • Announcements

We are excited to announce the inception of the first governing body to ensure a health future for Zettlr: The Zettlr Steering Committee. The purpose of the steering committee is to better plan and guide the development process which will result in a more bug-free experience. In this blog post, maintainer Hendrik Erz answers some general questions regarding the committee.

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24 Feb 2024

Postmortem light: Zettlr and Electron Fuses

  • Hendrik Erz
  • Announcements, Uncategorized

On February 6, 2024, a security researcher alerted us of a potential security issue with Zettlr version 3.0.3 and below. On February 7, we fixed this very issue with the release of Zettlr version 3.0.4, shortly followed by 3.0.5. In this postmortem, we want to inform you about what even happened, whether you have been affected, and what we have learned so far.

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