What's Changed

New features

• The Python Editor can now be used offline after initially loading it online. In browsers that support it, it can be installed as a PWA.
  • Enable the simulator service worker on beta/staging by @microbit-matt-hillsdon in #1181
  • PWA functionality including offline mode (featured flagged) by @microbit-robert in #1170
  • Allow SW scope without a trailing slash by @microbit-matt-hillsdon in #1184
  • Enable the PWA flag for review/staging by @microbit-matt-hillsdon in #1192
  • Enable PWA on production by @microbit-robert in #1195
• Warn users when using V2 API features with micro:bit V1 by @microbit-robert in #1177

Minor changes

• Centralize keyboard shortcuts by @microbit-robert in #1175
• Upgrade CodeMirror by @microbit-robert in #1176
• Improve error handling for WebUSB issues by @microbit-robert in #1164
• Update typeshed stub: Add spi:read() second argument by @microbit-grace in #1179
• Audit fixes by @microbit-matt-hillsdon in #1183
• Upgrade UI deps by @microbit-grace in #1187
• Use EventTarget rather than the Node "events" module by @microbit-matt-hillsdon in #1188
• Translation sync & add pl as preview by @microbit-matt-hillsdon in #1191
• Reinstate simulator compass animation by @microbit-robert in #1197
• Signature help: restructure async work by @microbit-matt-hillsdon in #1198
• Fix missing "Code copied..." string by @microbit-matt-hillsdon in #1200
• Translation sync by @microbit-robert in #1201
• Audit fix by @microbit-matt-hillsdon in #1202

Full Changelog: v3.0.27...v3.1.0