Cloudflare buys Deno and gives it one year.
Cloudflare is buying Deno outright and will support the Deno runtime for one more year, then end its development. If any of your software runs on Deno, there is now a date to plan around.

Cloudflare buys Deno and gives it one year
Cloudflare is acquiring Deno outright2. The Deno team is joining Cloudflare to make it far simpler to self-host Workers and Durable Objects, so developers can use the same building blocks in more places1. The stated goal is to "make workerd self-hosting a first-class supported way to build and run apps using the Workers programming model"2.
The deal rests on work Deno had already done2. In August the Deno team released the first version of celld, its open source version of the Durable Objects pattern from Cloudflare Workers2. Cloudflare plans to build on celld2.
The Deno runtime itself is the awkward part, because it will not be maintained beyond the next year2. The plan is another year of support with monthly releases of bug fixes and security updates, and then an end to its development2. Deno will remain open source, and others who want to continue its development are welcome to2.
Ryan Dahl, who created both Deno and Node.js, said on Hacker News that it was a joint decision and that he agreed with it2. He said he no longer thought Deno was where he could do his most important work2. Deno had good ideas and was well engineered, he said, but it "ultimately is not solving big problems"2.
A year's notice, in writing
The reports carry no British angle and no price for the deal. What they do carry is something buyers rarely get: a plain end date, given on the day the deal was announced. A year of bug fixes and security updates is fair notice. It is also a deadline, and deadlines set a year out have a habit of arriving in month eleven.
If your developers or a supplier built anything on Deno, ask them this month what it would take to move it, and where they would move it to. Open source means the code does not vanish. It does not mean anyone will patch it. Code that nobody maintains stops getting security fixes, and that is the part that matters to you. The wider lesson is one we come back to often: when you depend on a small firm's tool, know who would carry it if that firm were bought. Deno's users found out this week.
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