[KAFKA-8765] Remove "unstable" annotations

• Type: Task
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 2.4.0
• Component/s: streams
• Assignee: Matthias J. Sax
• Reporter: Matthias J. Sax
• Created: 07/Aug/19 17:40
• Updated: 14/Aug/19 05:40
• Resolved: 14/Aug/19 05:40

Description

Kafka Streams is still annotating some public API as unstable, via `@InterfaceStability.Evolving`.

We should remove all those annotations, as all APIs are considered stable for some time already and we maintain backward compatibility already.

Issue Links

• links to: GitHub Pull Request #7174