20.06.0

• Docker Image scalableminds/webknossos:20.06.0 🐳
  Run it via export DOCKER_TAG=="20.06.0" && ./start-docker.sh.
• Changelog
• Migration Guide

Highlights ✨

• Compression of volume tracing data is now already done in the browser, reducing I/O load and required disk space. #4602 and #4623