[FLINK-13712] Add 1.9.0 release notes to documentation

• Type: Improvement
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 1.9.0
• Component/s: Documentation
• Labels: pull-request-available
• Assignee: Tzu-Li (Gordon) Tai
• Reporter: Tzu-Li (Gordon) Tai
• Created: 14/Aug/19 10:24
• Updated: 27/Apr/21 18:07
• Resolved: 22/Aug/19 05:34

Description

Similar to https://ci.apache.org/projects/flink/flink-docs-release-1.9/release-notes/flink-1.8.html, we need a release note page for 1.9.0.

This will be linked by the announcement blog post on the Apache Flink website.

Issue Links

• links to: GitHub Pull Request #9438