New in snapd 2.59.1:

Add udev rules from steam-devices to steam-support interface
Bugfixes for layout path checking, dm_crypt permissions,
mount-control interface parameter checking, kernel commandline
parsing, docker-support, refresh-app-awareness

For completeness the changes for 2.59 are also included. This
version had a bug in the refresh code so it was never released
beyond the beta version.

New in snapd 2.59:

Support setting extra kernel command line parameters via snap
configuration and under a gadget allow-list
Support for Full-Disk-Encryption using ICE
Support for arbitrary home dir locations via snap configuration
New nvidia-drivers-support interface
Support for udisks2 snap
Pre-download of snaps ready for refresh and automatic refresh of the
snap when all apps are closed
New microovn interface
Support uboot with CONFIG_SYS_REDUNDAND_ENV=n
Make "snap-preseed --reset" re-exec when needed
Update the fwupd interface to support fully confined fwupd
The memory,cpu,thread quota options are no longer experimental
Support debugging snap client requests via the SNAPD_CLIENT_DEBUG_HTTP
environment variable
Support ssh listen-address via snap configuration
Support for quotas on single services
prepare-image now takes into account snapd versions going into the image,
including in the kernel initrd, to fetch supported assertion formats