(thanks Fixed NPE if no board is selected. * New shortcut: Shift+click on Serial Monitor button will open the Serial Plotter. * The board configuration submenus are now scrollable. This allows other tools (like arduino-cli), that may have different URLs configuration, to work properly.

* Boards Manager: cached 3rd party package_index.json are no more deleted if the origin URL is removed from preferences, * Firmware Updater: Added new firmwares and support for Nano RP2040 Connect. (thanks Libraries Manager: Maintainer is displayed instead of the Author. * Serial Plotter: line endings dropdown menu now comply with the global preference settings. * Added 'deprecated' label support in Boards Manager, platforms marked as deprecated are * Libraries/Boards Manager: the Type and Category filters are kept after install/uninstall. * Fix status bar custom board preferences disappearing (thanks Boards Manager bugfix: sometimes the 'Install' button appeared instead of 'Update' * Fixed regression in library discovery (failing to compile bundled libs, like SD or Ethernet, on some platforms) * Added latest firmwares (up to version 1.4.8) for NINA-based boards

* Updated FTDI drivers to version 2.12.36.4 * Fixed font-resizing problem with multiple tabs open. * Do not crash if a malformed boards index URL is entered in preferences.

* Removed the very outdated off-line documentation.

Arduino 1.8.5 files for attiny