Akka license key

Dear hakkers,

Today we have released new versions of Akka (2.9.6, 2.8.7, 2.7.1) that require a license key for use in production.

Read about the motivation in the blog post Akka License Keys && a No SPAM Promise.

Obtain a free key at https://akka.io/key.

Detailed release notes.

Happy hakking!

 — The Akka Team