Add more detailed battery percentage, plus battery voltage and temperature.

Fix a long-standing issue where some system calls took longer than they should, causing lags in some situations (thanks Fix calculation of displayed battery voltage (thanks nocash).

NTP timezone can also now be saved to config.ini also fix a bug where some timezones would not be reachable.

You can now even manually edit config.ini to use custom values for those (within the 1000 to 25100K range)

Screen filters can now be saved to config.ini and restored at boot (you need to go to 'Miscellaneous options > Save settings').

Add option to toggle card slot ( #1202).

Breaking change: use attach (e.g 1 for fs) to attach to a process, as GDB doesn't support PID 0.

Restore extended-remote support (this was broken with recent versions of GDB).

Upon upgrading Luma3DS, boot.firm is now automatically copied to the root of the CTRNAND partition.

Essential system files (bootROMs, OTP, HWCAL, LCFS, SecureInfo) are now automatically backed up to /luma/backups (upon upgrading Luma3DS, if not already present at that location).

'Show NAND or user string in System Settings' is now enabled by default, when auto-generating a blank configuration file.

'Splash duration': this is because it can now be configured to take any 32-bit value (default: 3 seconds).

The following options have been removed from the config menu and moved to be exclusively in the INI file:.

This means that configuration is now human-readable, and makes situations like wanting to modify Rosalina's combo without opening its menu much easier to resolve.

Migrate the configuration to INI format ( config.bin becomes config.ini).

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