Mattermost Blog

Securing XML implementations across the web

In December 2020, we blogged about security issues in Go’s encoding/xml with critical impact on several Go-based SAML implementations. Coordinating the disclosure around those issues was no small feat; we spent months emailing the Go security team, reviewing code, testing and retesting exploits, coming up with workarounds, implementing a validation library, and finally reaching out …

Mattermost 5.31.8 Extended Support Release (ESR) released

Mattermost dot release 5.31.8 ESR for Team Edition (TE) and Enterprise Edition (EE) is now available for download. If your deployment is affected by issues this dot release fixes, upgrading is recommended. Mattermost 5.31.8 version resolves the following bug: Fixed an issue in clustering where a mutex would fail to be unlocked when a timeout …

Migrating Thousands of Cloud Instances to New Kubernetes Custom Resources

Mattermost’s Kubernetes Operator spins up and manages Mattermost instances running on Kubernetes based on a ClusterInstallation Custom Resource (CR). Mattermost Operator 1.0 has evolved a lot since its release, along with the ClusterInstallation CR in the v1alpha version. As time went by — as with any software — the Operator gained more features, configuration options, …

Support for Extended Support Release 5.31 Is Ending

Upgrade to ESR 5.37 for improved security and performance, mobile app compatibility, and enhanced user experience As of October 15, 2021, Mattermost Extended Support Release (ESR) version 5.31 will no longer be supported. If any of your servers are not on ESR 5.37 or later, upgrading immediately is required. With our simple upgrade steps, it …

Installing Mattermost to Heroku

If you’re short on time…  … you should be able to get a preview instance of Mattermost running in under two minutes—guaranteed! Click the button to begin: (And now for the full blog post!) Why Use Mattermost and Heroku Together? Heroku is a wonderful cloud platform that allows developers to provision and operate applications. It …

Collapsed Reply Threads are here! Get early access to the beta

We’ve heard your feedback, and are excited to announce that users of Mattermost Cloud and Mattermost Self-Managed v5.37 or later can now get early access to Collapsed Reply Threads in beta! This feature has been a top priority for our team and is the most voted feature request on our idea forum. Given this is …

Mattermost v5.37 is now available

This new release includes the beta release of Collapsed Reply Threads, the addition of Incident Collaboration features to all editions, enhanced emojis with skin tone selection, Focalboard updates, and English-Australian language support. Mattermost v5.37 is generally available today and is an Extended Support Release with a nine-month support life cycle. This release includes the following …

Join Us for our First Mattermost ‘Docathon’

A hackathon for product documentation = a doc-a-thon, we’re having our first one, and you’re invited! The goal of this product documentation-focused hackathon, which will take place July 26–August 6, 2021, is to see the customer’s documentation journey through the eyes of our Mattermost community.  There are opportunities for all contributors to get involved in …

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