Major releases Zulip 6.0: Threaded open-source team chat We’re excited to announce the release of Zulip Server 6.0, containing hundreds of new features and bug fixes! td.post-content-sans-serif img.image-wide-only {display: none;} Zulip is an open-source team chat application designed to help people collaborate to solve any challenge. With conversations organized by topic, Zulip is ideal
Release announcements Zulip Server 5.7 security release We released Zulip Server 5.7 today! This is a security release, containing a security fix and several cherry-picked changes since Zulip Server 5.6. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort support
Announcements Zulip's Google Summer of Code 2022 This summer, 15 contributors completed the Google Summer of Code (GSoC) program with the Zulip development community. This was the 7th consecutive year that Zulip participated in GSoC; over 100 contributors have now completed one of our formal internship programs, primarily through Google Summer of Code and Outreachy. Our experienced
Announcements Why Slack’s free plan change is causing an exodus On July 18, 2022, Slack announced that starting September 1, search history for organizations on Slack’s Free plan will be limited to just the past 90 days of message history. Instead of a 10,000-message limit and 5 GB of storage, we are giving full access to the past
Release announcements Zulip Server 5.6 security release We released Zulip Server 5.6 today! This is a security release, containing an important security fix and several cherry-picked changes since Zulip Server 5.5. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort
Release announcements Zulip Server 5.5 security release We released Zulip Server 5.5 today! This is a security release, containing an important security fix and several cherry-picked changes since Zulip Server 5.4. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort
Zulip Cloud Data exported by Zulip Cloud organization administrators contained private files Administrators of Zulip Cloud organizations can export public data from their organization via the organization settings menu. The exports include all the data that appears in public streams, and can be used to migrate from Zulip Cloud to self-hosting Zulip. Note that exporting private data is a separate process that
Release announcements Zulip Server 5.4 security release We released Zulip Server 5.4 today! This is a security release, containing a security fix and several cherry-picked changes since Zulip Server 5.3. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort support
Release announcements Zulip Server 5.3 security release We released Zulip Server 5.3 today! This is a security release, containing a minor security fix and several cherry-picked changes since Zulip Server 5.2. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort
Announcements Introducing the Zulip public access option for open communities Today, we’re delighted to announce the general availability of Zulip’s public access option. Open-source projects and other open communities can now offer one-click access (no login required!) to part or all of their Zulip chat. For those who are not familiar with it, Zulip is a modern team
Release announcements Zulip Server 5.2 bug fix release We released Zulip Server 5.2 today! This is a bugfix release, containing cherry-picked changes since Zulip Server 5.1. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort support is available on chat.zulip.
Release announcements Zulip Server 5.1 bug fix release We released Zulip Server 5.1 today! This is a bugfix release, containing a few cherry-picked changes since Zulip Server 5.0, primarily to address upgrading bugs. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help,
Major releases Zulip 5.0: Threaded open-source team chat We’re excited to announce the release of Zulip Server 5.0, containing hundreds of new features and bug fixes! td.post-content-sans-serif img.image-wide-only {display: none;} Zulip is an open-source team collaboration tool with unique topic-based threading that is ideal for both live and asynchronous conversations. Fortune 500 companies, leading
Release announcements Zulip Server 4.11 security release We released Zulip Server 4.11 today! This is a security release, containing a minor security fix. Upgrading We recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need help, best-effort support is available on chat.zulip.org. Reminder: upgrade
Security Zulip Cloud security vulnerability with reusable invitation links An internal investigation recently uncovered a vulnerability (identified as CVE-2022-21706) in Zulip’s invitation links. Specifically, a reusable invitation link could be used to join a different organization than the one it was created for. As a result, there was a potential for users to join any organization without an
Release announcements Zulip Server 4.10 security release We released Zulip Server 4.10 today! This is a security release, containing important security fixes, as well as important cherry-picked bug fixes, since Zulip Server 4.9. Upgrading We strongly recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you
Release announcements Zulip Server 4.9 security release We released Zulip Server 4.9 today! This is a security release, containing critical security fixes, as well as important cherry-picked bug fixes, since Zulip Server 4.8. UpgradingWe strongly recommend that all installations upgrade to this new release. See the upgrade instructions in the Zulip documentation. If you need
Security CVE-2021-3866: XSS in stream names This is an important security announcement for Zulip installations running the main (development) branch of the Zulip server. The main branch of Zulip Server, since a commit merged on December 4th, was vulnerable to a stored cross-site scripting vulnerability in stream names. A malicious user with permission to create or
Announcements Why Zulip will stand the test of time Quill, a team chat company with $16 million in venture capital funding, was acquired by Twitter and shut down their product last week. Users were given a mere four days to export their data prior to deletion; direct messages and private channels could not be exported at all. Our sympathies
Release announcements Zulip Server 4.8 security release We released Zulip Server 4.8 today! This is a security release, containing important security fixes, as well as important cherry-picked bug fixes, since Zulip Server 4.7. Deprecating support for Ubuntu 18.04 BionicWith this release, we are deprecating support for Ubuntu 18.04 Bionic. Specifically, Ubuntu 18.04
Announcements Why Zulip will not get on the blockchain bandwagon This week, Discord teased plans to integrate a crypto asset wallet. After backlash from their user community, Discord clarified that the feature isn’t ready to ship “for now”. With many popular social and chat apps already on the blockchain bandwagon (including Facebook, Telegram, Signal, Twitter and Reddit), some are
Release announcements Zulip Server 4.7 security release We released Zulip Server 4.7 today! This is a security release, containing minor security fixes since Zulip Server 4.6. What's newThis release fixes CVE-2021-41115, which prevents organization administrators from affecting the server with a regular expression denial-of-service attack through linkifier patterns. Parts of this vulnerability were discovered by
Announcements Zulip's Google Summer of Code 2021 This summer, the Zulip developer community welcomed 18 student participants through the Google Summer of Code (GSoC) program. This was the 6th consecutive year that Zulip participated in GSoC; more than 85 students have now completed one of our formal internship programs, primarily through Google Summer of Code and Outreachy.
Release announcements Zulip Server 4.6 bug fix release We released Zulip Server 4.6 today! This is a bug fix release, containing a few dozen cherry-picked changes since Zulip Server 4.5. What’s newThis release fixes the following issues: Documented official support for Debian 11 Bullseye, now that it is officially released by Debian upstream.Fixed installation
Announcements Zulip releases ‘Teach a course’ education product Zulip for Education is a new open-source team chat product used at university departments around the world, including MIT, University of California San Diego and Technical University of Munich, Germany. SAN FRANCISCO, CA – July 26, 2021 – Zulip, the threaded open-source team chat app with the most active open-source community of
