Why is Slack discontinuing support for Safari/MacOS in May?

It's such a popular default browser for so many people, I'd love to know the real business justification behind it.

Most the time, I use the native app but that's not an option for everyone.

Slack support lifecycle for operating systems, app versions, and browsers

To allow for innovation and keep customer data safe and secure, Slack updates its system requirements every six months in May and November. Read on to learn about our support lifecycle policy and s...

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@si they seem to not be aware that Safari 18.6 was only released in July 2025 so per their 12-18 month support policy should stay supported.