In the rapid world of SaaS (Software as a Service), the concept of "evergreen" updates is both a blessing and a curse. For users of Apple’s macOS 10.13 (High Sierra), that curse became a reality in 2022 when Slack—the de facto hub for workplace communication—officially shut the door.
Slack in a browser (Chrome or Firefox) has no such restriction. Open your browser, navigate to app.slack.com . It is slower, notifications are clunky, and you cannot drag files easily, but it works perfectly. This bypasses the Electron dependency entirely. slack mac 10.13
If you see that error message, your only stable, secure path forward is either macOS 10.14 Mojave (via patcher) or the web browser. The native Mac app is gone for good. Article based on Slack’s official system requirements as of 2024 and developer analysis of Electron/Rust dependencies. In the rapid world of SaaS (Software as
However, for the IT manager or the freelancer on a budget: Chrome on High Sierra still receives security updates (for now). Keep a pinned tab for Slack. Open your browser, navigate to app
Here is a deep dive into why Slack killed support for macOS 10.13, the security implications, and the few remaining options for users stuck on legacy hardware. Slack follows a predictable lifecycle policy. Generally, the company supports the current major version of macOS and the previous two. When macOS Ventura (13.0) dropped, macOS 10.13 fell off the cliff.
Tools like dosdude1 's macOS Mojave/Catalina patchers allow unsupported Macs to run newer OSes. However, this kills graphics acceleration. Slack, ironically, becomes a stuttering mess on patched hardware.
While High Sierra was once a stable workhorse, running it today means looking at a frustrating message in the Slack sidebar: