Releases Notes for 30.0.0

Windows Installer
Windows No Installer (zip)
macOS - Universal
Linux - deb, AppImage or rpm

Windows intel x32 releases are marked -ia32-

ChangeLog:

• Major version: new installs default to auto adaptive colours (matching web based draw.io); upgrades preserve simple. Change via Extras → Configuration.
• Windows signed cert changed, https://github.com/jgraph/drawio-desktop/discussions/2415
• Uses electron 42.0.1
• #2411 , #2236 , #2404
• Updates to draw.io core 30.0.0.