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.
tbh
feat: Add license key check (2.9) by @patriknw in #32538
this feels rather like a breaking change. one could easily overlook the implications (breaking the running app while tests are passing) by this esp. when automated tools like scala-steward/renovate are involved (as it’s just a minor version)