The snapd roadmap

snapd 2.67

Content update by beta release…

snapd 2.66.1

* AppArmor prompting (experimental): expand kernel support checks
* AppArmor prompting (experimental): consolidate error messages and add error kinds
* AppArmor prompting (experimental): grant /v2/snaps/{name} via snap-interfaces-requests-control
* AppArmor prompting (experimental): add checks for duplicate pattern variants
* Registry views (experimental): add handlers that commit (and cleanup) registry transactions
* Registry views (experimental): add a snapctl fail command for rejecting registry transactions
* Registry views (experimental): allow custodian snaps to implement registry hooks that modify and save registry data
* Registry views (experimental): run view-changed hooks only for snaps plugging views affected by modified paths
* Registry views (experimental): make registry transactions serialisable
* Snap components: handle refreshing components to revisions that have been on the system before
* Snap components: enable creating Ubuntu Core images that contain components
* Snap components: handle refreshing components independently of snaps
* Snap components: handle removing components when refreshing a snap that no longer defines them
* Snap components: extend snapd Ubuntu Core installation API to allow for picking optional snaps and components to install
* Snap components: extend kernel.yaml with “dynamic-modules”, allowing kernel to define a location for kmods from component hooks
* Snap components: renamed component type “test” to “standard”
* Desktop IDs: support installing desktop files with custom names based on desktop-file-ids desktop interface plug attr
* Auto-install snapd on classic systems as prerequisite for any non-essential snap install
* Support loading AppArmor profiles on WSL2 with non-default kernel and securityfs mounted
* Debian/Fedora packaging updates
* Add snap debug command for investigating execution aspects of the snap toolchain
* Improve snap pack error for easier parsing
* Add support for user services when refreshing snaps
* Add snap remove --terminate flag for terminating running snap processes
* Support building FIPS complaint snapd deb and snap
* Fix to not use nss when looking up for users/groups from snapd snap
* Fix ordering in which layout changes are saved
* Patch snapd snap dynamic linker to ignore LD_LIBRARY_PATH and related variables
* Fix libexec dir for openSUSE Slowroll
* Fix handling of the shared snap directory for parallel installs
* Allow writing to /run/systemd/journal/dev-log by default
* Avoid state lock during snap removal to avoid delaying other snapd operations
* Add nomad-support interface to enable running Hashicorp Nomad
* Add intel-qat interface
* u2f-devices interface: add u2f trustkey t120 product id and fx series fido u2f devices
* desktop interface: improve integration with xdg-desktop-portal
* desktop interface: add desktop-file-ids plug attr to desktop interface
* unity7 interface: support desktop-file-ids in desktop files rule generation
* desktop-legacy interface: support desktop-file-ids in desktop files rule generation
* desktop-legacy interface: grant access to gcin socket location
* login-session-observe interface: allow introspection
* custom-device interface: allow to explicitly identify matching device in udev tagging block
* system-packages-doc interface: allow reading /usr/share/javascript
* modem-manager interface: add new format of WWAN ports
* pcscd interface: allow pcscd to read opensc.conf
* cpu-control interface: add IRQ affinity control to cpu_control
* opengl interface: add support for cuda workloads on Tegra iGPU in opengl interface

snapd 2.65.3

Fix missing aux info from store on snap setup
Bump squashfuse from version 0.5.0 to 0.5.2 (used in snapd deb only)

snapd 2.65.1

Support building snapd using base Core22 (Snapcraft 8.x)
FIPS: support building FIPS complaint snapd variant that switches to FIPS mode when the system boots with FIPS enabled
AppArmor: update to latest 4.0.2 release
AppArmor: enable using ABI 4.0 from host parser
AppArmor: fix parser lookup
AppArmor: support AppArmor snippet priorities
AppArmor: allow reading cgroup memory.max file
AppArmor: allow using snap-exec coming from the snapd snap when starting a confined process with jailmode
AppArmor prompting (experimental): add checks for prompting support, include prompting status in system key, and restart snapd if prompting flag changes
AppArmor prompting (experimental): include prompt prefix in AppArmor rules if prompting is supported and enabled
AppArmor prompting (experimental): add common types, constraints, and mappings from AppArmor permissions to abstract permissions
AppArmor prompting (experimental): add path pattern parsing and matching
AppArmor prompting (experimental): add path pattern precedence based on specificity
AppArmor prompting (experimental): add packages to manage outstanding request prompts and rules
AppArmor prompting (experimental): add prompting API and notice types, which require snap-interfaces-requests-control interface
AppArmor prompting (experimental): feature flag can only be enabled if prompting is supported, handler service connected, and the service can be started
Registry views (experimental): rename from aspects to registries
Registry views (experimental): support reading registry views and setting/unsetting registry data using snapctl
Registry views (experimental): fetch and refresh registry assertions as needed
Registry views (experimental): restrict view paths from using a number as first character and view names to storage path style patterns
Snap components: support installing snaps and components from files at the same time (no REST API/CLI)
Snap components: support downloading components related assertions from the store
Snap components: support installing components from the store
Snap components: support removing components individually and during snap removal
Snap components: support kernel modules as components
Snap components: support for component install, pre-refresh and post-refresh hooks
Snap components: initial support for building systems that contain components
Refresh app awareness (experimental): add data field for /v2/changes REST API to allow associating each task with affected snaps
Refresh app awareness (experimental): use the app name from .desktop file in notifications
Refresh app awareness (experimental): give snap-refresh-observe interface access to /v2/snaps/{name} endpoint
Improve snap-confine compatibility with nvidia drivers
Allow re-exec when SNAP_REEXEC is set for unlisted distros to simplify testing
Allow mixing revision and channel on snap install
Generate GNU build ID for Go binaries
Add missing etelpmoc.sh for shell completion
Do not attempt to run snapd on classic when re-exec is disabled
Packaging/build maintenance for Debian sid, Fedora, Arch, openSuse
Add snap debug API command to enable running raw queries
Enable snap-confine snap mount directory detection
Replace global seccomp filter with deny rules in standard seccomp template
Remove support for Ubuntu Core Launcher (superseded by snap-confine)
Support creating pending serial bound users after serial assertion becomes available
Support disabling cloud-init using kernel command-line
In hybrid systems, apps can refresh without waiting for restarts required by essential snaps
Ship snap-debug-info.sh script used for system diagnostics
Improve error messages when attempting to run non-existent snap
Switch to -u UID:GID for strace-static
Support enabling snapd logging with snap set system debug.snapd.{log,log-level}
Add options system.coredump.enable and system.coredump.maxuse to support using systemd-coredump on Ubuntu Core
Provide documentation URL for ‘snap interface ’
Fix snapd riscv64 build
Fix restarting activated services instead of their activator units (i.e. sockets, timers)
Fix potential unexpected auto-refresh of snap on managed schedule
Fix potential segfault by guarding against kernel command-line changes on classic system
Fix proxy entries in /etc/environment with missing newline that caused later manual entries to not be usable
Fix offline remodelling by ignoring prerequisites that will otherwise be downloaded from store
Fix devmode seccomp deny regression that caused spamming the log instead of actual denies
Fix snap lock leak during refresh
Fix not re-pinning validation sets that were already pinned when enforcing new validation sets
Fix handling of unexpected snapd runtime failure
Fix /v2/notices REST API skipping notices with duplicate timestamps
Fix comparing systemd versions that may contain pre-release suffixes
Fix udev potentially starting before snap-device-helper is made available
Fix race in snap seed metadata loading
Fix treating cloud-init exit status 2 as error
Fix to prevent sending refresh complete notification if snap snap-refresh-observe interface is connected
Fix to queue snapctl service commands if run from the default-configure hook to ensure they get up-to-date config values
Fix stop service failure when the service is not actually running anymore
Fix parsing /proc/PID/mounts with spaces
Add registry interface that provides snaps access to a particular registry view
Add snap-interfaces-requests-control interface to enable prompting client snaps
steam-support interface: remove all AppArmor and seccomp restrictions to improve user experience
opengl interface: improve compatibility with nvidia drivers
home interface: autoconnect home on Ubuntu Core Desktop
serial-port interface: support RPMsg tty
display-control interface: allow changing LVDS backlight power and brightness
power-control interface: support for battery charging thesholds, type/status and AC type/status
cpu-control interface: allow CPU C-state control
raw-usb interface: support RPi5 and Thinkpad x13s
custom-device interface: allow device file locking
lxd-support interface: allow LXD to self-manage its own cgroup
network-manager interface: support MPTCP sockets
network-control interface: allow plug/slot access to gnutls config and systemd resolved cache flushing via D-Bus
network-control interface: allow wpa_supplicant dbus api
gpio-control interface: support gpiochip* devices
polkit interface: fix “rw” mount option check
u2f-devices interface: enable additional security keys
desktop interface: enable kde theming support

Schedule

snapd 2.65

Support building snapd using base Core22 (Snapcraft 8.x)
FIPS: support building FIPS complaint snapd variant that switches to FIPS mode when the system boots with FIPS enabled
AppArmor: update to latest 4.0.2 release
AppArmor: enable using ABI 4.0 from host parser
AppArmor: fix parser lookup
AppArmor: support AppArmor snippet priorities
AppArmor: allow reading cgroup memory.max file
AppArmor: allow using snap-exec coming from the snapd snap when starting a confined process with jailmode
AppArmor prompting (experimental): add checks for prompting support, include prompting status in system key, and restart snapd if prompting flag changes
AppArmor prompting (experimental): include prompt prefix in AppArmor rules if prompting is supported and enabled
AppArmor prompting (experimental): add common types, constraints, and mappings from AppArmor permissions to abstract permissions
AppArmor prompting (experimental): add path pattern parsing and matching
AppArmor prompting (experimental): add path pattern precedence based on specificity
AppArmor prompting (experimental): add packages to manage outstanding request prompts and rules
AppArmor prompting (experimental): add prompting API and notice types, which require snap-interfaces-requests-control interface
AppArmor prompting (experimental): feature flag can only be enabled if prompting is supported, handler service connected, and the service can be started
Registry views (experimental): rename from aspects to registries
Registry views (experimental): support reading registry views and setting/unsetting registry data using snapctl
Registry views (experimental): fetch and refresh registry assertions as needed
Registry views (experimental): restrict view paths from using a number as first character and view names to storage path style patterns
Snap components: support installing snaps and components from files at the same time (no REST API/CLI)
Snap components: support downloading components related assertions from the store
Snap components: support installing components from the store
Snap components: support removing components individually and during snap removal
Snap components: support kernel modules as components
Snap components: support for component install, pre-refresh and post-refresh hooks
Snap components: initial support for building systems that contain components
Refresh app awareness (experimental): add data field for /v2/changes REST API to allow associating each task with affected snaps
Refresh app awareness (experimental): use the app name from .desktop file in notifications
Refresh app awareness (experimental): give snap-refresh-observe interface access to /v2/snaps/{name} endpoint
Improve snap-confine compatibility with nvidia drivers
Allow re-exec when SNAP_REEXEC is set for unlisted distros to simplify testing
Allow mixing revision and channel on snap install
Generate GNU build ID for Go binaries
Add missing etelpmoc.sh for shell completion
Do not attempt to run snapd on classic when re-exec is disabled
Packaging/build maintenance for Debian sid, Fedora, Arch, openSuse
Add snap debug API command to enable running raw queries
Enable snap-confine snap mount directory detection
Replace global seccomp filter with deny rules in standard seccomp template
Remove support for Ubuntu Core Launcher (superseded by snap-confine)
Support creating pending serial bound users after serial assertion becomes available
Support disabling cloud-init using kernel command-line
In hybrid systems, apps can refresh without waiting for restarts required by essential snaps
Ship snap-debug-info.sh script used for system diagnostics
Improve error messages when attempting to run non-existent snap
Switch to -u UID:GID for strace-static
Support enabling snapd logging with snap set system debug.snapd.{log,log-level}
Add options system.coredump.enable and system.coredump.maxuse to support using systemd-coredump on Ubuntu Core
Provide documentation URL for ‘snap interface ’
Fix restarting activated services instead of their activator units (i.e. sockets, timers)
Fix potential unexpected auto-refresh of snap on managed schedule
Fix potential segfault by guarding against kernel command-line changes on classic system
Fix proxy entries in /etc/environment with missing newline that caused later manual entries to not be usable
Fix offline remodelling by ignoring prerequisites that will otherwise be downloaded from store
Fix devmode seccomp deny regression that caused spamming the log instead of actual denies
Fix snap lock leak during refresh
Fix not re-pinning validation sets that were already pinned when enforcing new validation sets
Fix handling of unexpected snapd runtime failure
Fix /v2/notices REST API skipping notices with duplicate timestamps
Fix comparing systemd versions that may contain pre-release suffixes
Fix udev potentially starting before snap-device-helper is made available
Fix race in snap seed metadata loading
Fix treating cloud-init exit status 2 as error
Fix to prevent sending refresh complete notification if snap snap-refresh-observe interface is connected
Fix to queue snapctl service commands if run from the default-configure hook to ensure they get up-to-date config values
Fix stop service failure when the service is not actually running anymore
Fix parsing /proc/PID/mounts with spaces
Add registry interface that provides snaps access to a particular registry view
Add snap-interfaces-requests-control interface to enable prompting client snaps
steam-support interface: remove all AppArmor and seccomp restrictions to improve user experience
opengl interface: improve compatibility with nvidia drivers
home interface: autoconnect home on Ubuntu Core Desktop
serial-port interface: support RPMsg tty
display-control interface: allow changing LVDS backlight power and brightness
power-control interface: support for battery charging thesholds, type/status and AC type/status
cpu-control interface: allow CPU C-state control
raw-usb interface: support RPi5 and Thinkpad x13s
custom-device interface: allow device file locking
lxd-support interface: allow LXD to self-manage its own cgroup
network-manager interface: support MPTCP sockets
network-control interface: allow plug/slot access to gnutls config and systemd resolved cache flushing via D-Bus
network-control interface: allow wpa_supplicant dbus api
gpio-control interface: support gpiochip* devices
polkit interface: fix “rw” mount option check
u2f-devices interface: enable additional security keys
desktop interface: enable kde theming support

Schedule

snapd 2.64

Support building snapd using base Core22 (Snapcraft 8.x)
FIPS: support building FIPS complaint snapd variant that switches to FIPS mode when the system boots with FIPS enabled
AppArmor: update to AppArmor 4.0.1
AppArmor: support AppArmor snippet priorities
AppArmor prompting: add checks for prompting support, include prompting status in system key, and restart snapd if prompting flag changes
AppArmor prompting: include prompt prefix in AppArmor rules if prompting is supported and enabled
AppArmor prompting: add common types, constraints, and mappings from AppArmor permissions to abstract permissions
AppArmor prompting: add path pattern parsing and matching
Registry views (experimental): rename from aspects to registries
Registry views (experimental): support reading registry views using snapctl
Registry views (experimental): restrict view paths from using a number as first character and view names to storage path style patterns
Snap components: support installing snaps and components from files at the same time (no REST API/CLI)
Snap components: support downloading components related assertions from the store
Snap components: support installing components from the store (no REST API/CLI)
Snap components: support removing components (REST API, no CLI)
Snap components: started support for component hooks
Snap components: support kernel modules as components
Refresh app awareness (experimental): add data field for /v2/changes REST API to allow associating each task with affected snaps
Refresh app awareness (experimental): use the app name from .desktop file in notifications
Refresh app awareness (experimental): give snap-refresh-observe interface access to /v2/snaps/{name} endpoint
Allow re-exec when SNAP_REEXEC is set for unlisted distros to simplify testing
Generate GNU build ID for Go binaries
Add missing etelpmoc.sh for shell completion
Do not attempt to run snapd on classic when re-exec is disabled
Packaging/build maintenance for Debian sid, Fedora, Arch, openSuse
Add snap debug api command to enable running raw queries
Enable snap-confine snap mount directory detection
Replace global seccomp filter with deny rules in standard seccomp template
Remove support for Ubuntu Core Launcher (superseded by snap-confine)
Support creating pending serial bound users after serial assertion becomes available
Support disabling cloud-init using kernel command-line
In hybrid systems, apps can refresh without waiting for restarts required by essential snaps
Ship snap-debug-info.sh script used for system diagnostics
Improve error messages when attempting to run non-existent snap
Switch to -u UID:GID for strace-static
Support enabling snapd logging with snap set system debug.snapd.{log,log-level}
Fix restarting activated services instead of their activator units (i.e. sockets, timers)
Fix potential unexpected auto-refresh of snap on managed schedule
Fix potential segfault by guarding against kernel command-line changes on classic system
Fix proxy entries in /etc/environment with missing newline that caused later manual entries to not be usable
Fix offline remodelling by ignoring prerequisites that will otherwise be downloaded from store
Fix devmode seccomp deny regression that caused spamming the log instead of actual denies
Fix snap lock leak during refresh
Fix not re-pinning validation sets that were already pinned when enforcing new validation sets
Fix handling of unexpected snapd runtime failure
Fix /v2/notices REST API skipping notices with duplicate timestamps
Fix comparing systemd versions that may contain pre-release suffixes
Fix udev potentially starting before snap-device-helper is made available
Fix race in snap seed metadata loading
Fix treating cloud-init exit status 2 as error
Fix to prevent sending refresh complete notification if snap snap-refresh-observe interface is connected
Fix to queue snapctl service commands if run from the default-configure hook to ensure they get up-to-date config values
Fix stop service failure when the service is not actually running anymore
Add registry interface that provides snaps access to a particular registry view
steam-support interface: relaxed AppArmor and seccomp restrictions to improve user experience
home interface: autoconnect home on Ubuntu Core Desktop
serial-port interface: support RPMsg tty
display-control interface: allow changing LVDS backlight power and brightness
power-control interface: support for battery charging thesholds, type/status and AC type/status
cpu-control interface: allow CPU C-state control
raw-usb interface: support RPi5 and Thinkpad x13s
custom-device interface: allow device file locking
lxd-support interface: allow LXD to self-manage its own cgroup
network-manager interface: support MPTCP sockets
network-control interface: allow plug/slot access to gnutls config and systemd resolved cache flushing via D-Bus

Schedule

snapd 2.63

Support for snap services to show the current status of user services (experimental)
Refresh app awareness: record snap-run-inhibit notice when starting app from snap that is busy with refresh (experimental)
Refresh app awareness: use warnings as fallback for desktop notifications (experimental)
Aspect based configuration: make request fields in the aspect-bundle’s rules optional (experimental)
Aspect based configuration: make map keys conform to the same format as path sub-keys (experimental)
Aspect based configuration: make unset and set behaviour similar to configuration options (experimental)
Aspect based configuration: limit nesting level for setting value (experimental)
Components: use symlinks to point active snap component revisions
Components: add model assertion support for components
Components: fix to ensure local component installation always gets a new revision number
Add basic support for a CIFS remote filesystem-based home directory
Add support for AppArmor profile kill mode to avoid snap-confine error
Allow more than one interface to grant access to the same API endpoint or notice type
Allow all snapd service’s control group processes to send systemd notifications to prevent warnings flooding the log
Enable not preseeded single boot install
Update secboot to handle new sbatlevel
Fix to not use cgroup for non-strict confined snaps (devmode, classic)
Fix two race conditions relating to freedesktop notifications
Fix missing tunables in snap-update-ns AppArmor template
Fix rejection of snapd snap udev command line by older host snap-device-helper
Rework seccomp allow/deny list
Clean up files removed by gadgets
Remove non-viable boot chains to avoid secboot failure
posix_mq interface: add support for missing time64 mqueue syscalls mq_timedreceive_time64 and mq_timedsend_time64
password-manager-service interface: allow kwalletd version 6
kubernetes-support interface: allow SOCK_SEQPACKET sockets
system-observe interface: allow listing systemd units and their properties
opengl interface: enable use of nvidia container toolkit CDI config generation

Schedule

snapd 2.62

Aspects based configuration schema support (experimental)
Refresh app awareness support for UI (experimental)
Support for user daemons by introducing new control switches --user/–system/–users for service start/stop/restart (experimental)
Add AppArmor prompting experimental flag (feature currently unsupported)
Installation of local snap components of type test
Packaging of components with snap pack
Expose experimental features supported/enabled in snapd REST API endpoint /v2/system-info
Support creating and removing recovery systems for use by factory reset
Enable API route for creating and removing recovery systems using /v2/systems with action create and /v2/systems/{label} with action remove
Lift requirements for fde-setup hook for single boot install
Enable single reboot gadget update for UC20+
Allow core to be removed on classic systems
Support for remodeling on hybrid systems
Install desktop files on Ubuntu Core and update after snapd upgrade
Upgrade sandbox features to account for cgroup v2 device filtering
Support snaps to manage their own cgroups
Add support for AppArmor 4.0 unconfined profile mode
Add AppArmor based read access to /etc/default/keyboard
Upgrade to squashfuse 0.5.0
Support useradd utility to enable removing Perl dependency for UC24+
Support for recovery-chooser to use console-conf snap
Add support for --uid/–gid using strace-static
Add support for notices (from pebble) and expose via the snapd REST API endpoints /v2/notices and /v2/notice
Add polkit authentication for snapd REST API endpoints /v2/snaps/{snap}/conf and /v2/apps
Add refresh-inhibit field to snapd REST API endpoint /v2/snaps
Add refresh-inhibited select query to REST API endpoint /v2/snaps
Take into account validation sets during remodeling
Improve offline remodeling to use installed revisions of snaps to fulfill the remodel revision requirement
Add rpi configuration option sdtv_mode
When snapd snap is not installed, pin policy ABI to 4.0 or 3.0 if present on host
Fix gadget zero-sized disk mapping caused by not ignoring zero sized storage traits
Fix gadget install case where size of existing partition was not correctly taken into account
Fix trying to unmount early kernel mount if it does not exist
Fix restarting mount units on snapd start
Fix call to udev in preseed mode
Fix to ensure always setting up the device cgroup for base bare and core24+
Fix not copying data from newly set homedirs on revision change
Fix leaving behind empty snap home directories after snap is removed (resulting in broken symlink)
Fix to avoid using libzstd from host by adding to snapd snap
Fix autorefresh to correctly handle forever refresh hold
Fix username regex allowed for system-user assertion to not allow ‘+’
Fix incorrect application icon for notification after autorefresh completion
Fix to restart mount units when changed
Fix to support AppArmor running under incus
Fix case of snap-update-ns dropping synthetic mounts due to failure to match desired mount dependencies
Fix parsing of base snap version to enable pre-seeding of Ubuntu Core Desktop
Fix packaging and tests for various distributions
Add remoteproc interface to allow developers to interact with Remote Processor Framework which enables snaps to load firmware to ARM Cortex microcontrollers
Add kernel-control interface to enable controlling the kernel firmware search path
Add nfs-mount interface to allow mounting of NFS shares
Add ros-opt-data interface to allow snaps to access the host /opt/ros/ paths
Add snap-refresh-observe interface that provides refresh-app-awareness clients access to relevant snapd API endpoints
steam-support interface: generalize Pressure Vessel root paths and allow access to driver information, features and container versions
steam-support interface: make implicit on Ubuntu Core Desktop
desktop interface: improved support for Ubuntu Core Desktop and limit autoconnection to implicit slots
cups-control interface: make autoconnect depend on presence of cupsd on host to ensure it works on classic systems
opengl interface: allow read access to /usr/share/nvidia
personal-files interface: extend to support automatic creation of missing parent directories in write paths
network-control interface: allow creating /run/resolveconf
network-setup-control and network-setup-observe interfaces: allow busctl bind as required for systemd 254+
libvirt interface: allow r/w access to /run/libvirt/libvirt-sock-ro and read access to /var/lib/libvirt/dnsmasq/**
fwupd interface: allow access to IMPI devices (including locking of device nodes), sysfs attributes needed by amdgpu and the COD capsule update directory
uio interface: allow configuring UIO drivers from userspace libraries
serial-port interface: add support for NXP Layerscape SoC
lxd-support interface: add attribute enable-unconfined-mode to require LXD to opt-in to run unconfined
block-devices interface: add support for ZFS volumes
system-packages-doc interface: add support for reading jquery and sphinx documentation
system-packages-doc interface: workaround to prevent autoconnect failure for snaps using base bare
microceph-support interface: allow more types of block devices to be added as an OSD
mount-observe interface: allow read access to /proc/{pid}/task/{tid}/mounts and proc/{pid}/task/{tid}/mountinfo
polkit interface: changed to not be implicit on core because installing policy files is not possible
upower-observe interface: allow stats refresh
gpg-public-keys interface: allow creating lock file for certain gpg operations
shutdown interface: allow access to SetRebootParameter method
media-control interface: allow device file locking
u2f-devices interface: support for Trustkey G310H, JaCarta U2F, Kensington VeriMark Guard, RSA DS100, Google Titan v2

Schedule

snapd 2.61.2

Fix to enable plug/slot sanitization for prepare-image
Fix panic when device-service.access=offline
Support offline remodeling
Allow offline update only remodels without serial
Fail early when remodeling to old model revision
Fix to enable plug/slot sanitization for validate-seed
Allow removal of core snap on classic systems
Fix network-control interface denial for file lock on /run/netns
Add well-known core24 snap-id
Fix remodel snap installation order
Prevent remodeling from UC18+ to UC16
Fix cups auto-connect on classic with cups snap installed
u2f-devices interface support for GoTrust Idem Key with USB-C
Fix to restore services after unlink failure
Add libcudnn.so to Nvidia libraries
Fix skipping base snap download due to false snapd downgrade conflict

Schedule

snapd 2.61.1

Stop requiring default provider snaps on image building and first boot if alternative providers are included and available
Fix auth.json access for login as non-root group ID
Fix incorrect remodelling conflict when changing track to older snapd version
Improved check-rerefresh message
Fix UC16/18 kernel/gadget update failure due volume mismatch with installed disk
Stop auto-import of assertions during install modes
Desktop interface exposes GetIdletime
Polkit interface support for new polkit versions
Fix not applying snapd snap changes in tracked channel when remodelling
Fix control of activated services in ‘snap start’ and ‘snap stop’
Correctly reflect activated services in ‘snap services’
Disabled services are no longer enabled again when snap is refreshed
Interfaces/builtin: added support for Token2 U2F keys
Interfaces/u2f-devices: add Swissbit iShield Key
Interfaces/builtin: update gpio apparmor to match pattern that contains multiple subdirectories under /sys/devices/platform
Interfaces: add a polkit-agent interface
Interfaces: add pcscd interface
Kernel command-line can now be edited in the gadget.yaml
Only track validation-sets in run-mode, fixes validation-set issues on first boot
Added support for using store.access to disable access to snap store
Support for fat16 partition in gadget
Pre-seed authority delegation is now possible
Support new system-user name daemon
Several bug fixes and improvements around remodelling
Offline remodelling support

Schedule

snapd 2.60.3

Bugfixes
Use “aes-cbc-essiv:sha256” in cryptsetup on arm 32bit devices to increase speed on devices with CAAM support
Stop using -O no-expr-simplify in apparmor_parser to avoid potential exponential memory use. This can lead to slower policy complication in some cases but it is much safer on low memory devices.
Support for dynamic snapshot data exclusions
Apparmor userspace is vendored inside the snapd snap
Added a default-configure hook that exposes gadget default configuration options to snaps during first install before services are started
Allow install from initrd to speed up the initial installation for systems that do not have a install-device hook
New snap sign --chain flag that appends the account and account-key assertions
Support validation-sets in the model assertion Support new “min-size” field in gadget.yaml New interface: “userns”

Schedule

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

Schedule

snapd 2.58

snap refresh --hold support (Refresh control)
new users.lockout configuration option
support auto import assertions on first boot (https://github.com/snapcore/snapd/pull/11797)

Schedule

snapd 2.56

support “starred” developers
factory reset support for unencrypted devices

Schedule

previous

Expand

snapd 2.55.3

Fix refresh layout construction (fixes Firefox crash)
Support for the “piboot” bootloader
Interface operations are faster by using more batched operations
New mount-control interface (topic)
New polkit interface (topic)

Schedule

	beta	Mar 21
	candidate	Apr 08
	stable	Apr 20

snapd 2.54.2

New shared-memory interface (topic)
Allow sideload of multiple snaps via the API
riscv64 support for snap-seccomp
fixes/improvements for various interfaces

Schedule

	beta	Jan 07
	candidate	Jan 13
	stable	Jan 24

snapd 2.51

New swap.size system config setting for Ubuntu Core devices
Full kernel command line customization for UC20 pc/grub gadgets
REST API support for creating recovery systems on UC20
New raw-input interface
New dsp interface
New sd-control interface (2.51.3)
New netlink-driver interface (2.51.1)
New install-device gadget hook to be executed during install mode on UC20
New snapctl reboot --poweroff|--halt command to be used in install-device hook to shut device off after install mode (but before first boot seeding in run mode)
New snapctl reboot system-mode command to be report what mode a UC20 system is in.
New kernel FDE hook V2 for UC20 devices
Experimental quota resource groups support

Schedule

	beta	May 27
	candidate	June 3
	stable	June 7

snapd 2.50

Make /etc/ssl available for snaps on Ubuntu classic (PR)
Support for DTBs from the kernel snap
Snap service units are now re-written when snapd is refreshed as necessary
New dsp interface

Schedule

	beta	May 19
	candidate	May 21
	stable	June 2

snapd 2.49

Express encryption preferences for UC20
Devmode snaps in dangerous model UC20 seeds
Support for LK bootloader for UC20
Detection/abort of very slow downloads
Fix snap try inside lxd containers
Add “Tegra” and RPi “MMAL” support
Add new “install-mode: disable” option

Schedule

	beta	Jan 26
	candidate	Feb 25
	stable	Mar 04

snapd 2.48

Support for the “ubuntu-save” partition
More versatile UC20 recovery booting in “degraded” situations
Bulk assertion refresh for snap-declarations
New snap recovery --show-keys command
Improve notification UI for app-refresh-awareness
New PTP hardware clock interface
New snap import-snapshot command

Schedule

	beta	Sep 17
	candidate	Nov 19
	stable	Nov 30

snapd 2.47

better portal support with GLib (PR) add cups interface and update cups-control for cups as a strict snap (PR) disable console-conf from gadget with core setting (PR) Improve disk-space awareness of snapd (topic) New “snap reboot” command

Schedule

	beta	Sep 17
	candidate	Sep 29
	stable	Oct 21

snapd 2.46

uinput interface (PR) system-source-code interface (PR) system-packages-doc interface (PR) snaps can now set default-url-scheme-handler system-user assertions can be limited to specific serial assertions experimental user session daemons with daemon-scope (PR) experimental gdbserver support with snaps (topic)

Schedule

	beta	Aug 12
	candidate	Aug 25
	stable	Sep 14

snapd 2.45

Ubuntu Core 20 beta Generic serials for third parties Use xdg desktop portal from snapctl user-open Custom SSL cert support for store interactions (topic).

Schedule

	beta	May 13
	candidate	May 12
	stable	Jul 15

snapd 2.44

Switch within tracks with risk-only channel specification (old topic, new topic) Support for default tracks (topic) Plug/slot rules: plug-names/slot-names constraints (topic) snap remove-user support

Schedule

	beta	Feb 21
	candidate	Mar 16
	stable	March 31

snapd 2.43

snapctl is-connected plug|slot (topic) Remodel: gadget support Plug/slot declaration rules: greedy plugs (topic) system-backup interface (PR) Speedup seccomp backend setup (PR)

Schedule

	beta	Nov 12th
	candidate	Feb 13th
	stable	Feb 19th

snapd 2.42

Little-Kernel bootloader support Improve performance in lxd when snapfuse is used (topic) Work with cgroup v2 only systems Improved icon-theme support (topic)

Schedule

	beta	Sep 18th
	candidate	Oct 2st
	stable	Oct 10th

snapd 2.41

Daemon user support (topic, older topic) Gadget asset updates (topic) Remodel: transition to a new store (topic) Remodel: re-registration (topic) Health checks phase 1 (topic)

Schedule

	beta	Aug 22th
	candidate	Sep 3th
	stable	Sep 9th

snapd 2.40

Cohort support (topic) Much improved performance measure (topic) Refresh awareness - Part 1 (topic) Support for “base: none”

Schedule

	beta	July 2nd
	candidate	July 17th
	stable	Aug 12th

snapd 2.39

Automatic snapshots on removal (topic) Auto install snpad for non-core base snaps Remodel API/cli with support for switching kernel tracks/required-snaps within the same model Use the “core” snap as a fallback for “core16” Retain only 2 snap revision on classic systems Optimize seccomp bpf compilation

Schedule

	beta	Apr 18th
	candidate	May 03th
	stable	May 14th

snapd 2.38

snap connections command (topic) Epochs (stepped upgrades) (topic) Improved prepare-image channel selection support (topic) Support for apparmor 2.13 Minimal go version switch to 1.9 New intel-mei,multipass-support,network-manager-observe, u2f-devices,block-devices interfaces Initial performance measures available (topic)

Schedule

	beta	Mar 05th
	candidate	Mar 20th
	stable	Mar 28th

snapd 2.37

Snapshots (topic) Interface hooks (topic) Parallel snap installs for confined snaps (topic) Show the date the snap was released to a channel in snap info (topic) The personal-files and system-files interfaces (topic) and (topic) Add new snap run --trace-exec <snap>.<app> support (topic)

Schedule

	beta	Jan 10
	candidate	Jan 16th
	stable	Jan 30h

snapd 2.36

Warnings pipeline infrastructure (topic) Go into socket activtion mode no snaps are installed Much improved snap help output Support core config proxy on classic Support rate-limit of background refreshes via core.refresh.rate-limit core config option Honor core config proxy.http{,s} settings on classic as well Warn when prerequisites to run snapd (like minimal kernel version) are not met

Schedule

	beta	Oct 02h
	candidate	Nov 12th
	stable	Nov 20th

snapd 2.35

Support to build/seed core18 based images Interface improvements: i2c (sysfs-name support) apt install hook integration, apt may suggest snaps Allow building amazon linux rpm packages Show verified publishers with a green check mark

Schedule

	beta	Aug 08h
	candidate	Aug 21th
	stable	Aug 29th

snapd 2.34

Interface connection via gadget (topic) Hardware watchdog on Ubuntu Core New dvb interface (topic) New {contacts,calendar}-service interfaces Snapd selftest check on startup (topic) New can-bus interface Support to disable ipv6 via snap set system network.disable-ipv6

Schedule

	beta	Jun 29th
	candidate	Jul 30th
	stable	Aug 6th

snapd 2.33

Reboot experience on core or kernel refresh Service watchdog support (topic) Support for appstream ID Selftest support to ensure squashfs can be mounted New juju-client-observer interface Snap refresh over metered connections Snapd support for xdg-desktop-portal

Schedule

	beta	May 24th
	candidate	Jun 08th
	stable	Jun 18th

snapd 2.32

Auto install of content snap dependencies Versionized profiles Layouts (custom mount points) (topic) Support to pass options to strace (topic) Support for service timers (topic) Support for CDNs that are cloud aware (topic) Support for snap run --gdb Service survival across refreshes (topic) Timer services (topic) Refresh hold option (topic) Autostart desktop applications (topic) Support for stop-mode (topc)

Schedule

	beta	Feb 23th
	candidate	Mar 22th
	stable	Apr 10th

snapd 2.31

Snap service start ordering (topic) Refresh snaps with needed credentials (topic) Use snapcraft export-login data in snap {download,prepare-image} Additional coherence check on installs (topic) Monthly refresh scheduling (topic) Command-not-found support on core (topic) Support xdg-settings set default-web-browser from within snaps (topic) Support snap run --strace (topic) Support for snap refresh --amend local-snap Content interface improvements (topic)

Schedule

	beta	Jan 22th
	candidate	Feb 05th
	stable	Feb 19th

snapd 2.30

Service control on snapctl (start/stop/etc) (topic) Tab-completion for aliases too (topic) Add support for socket activation (topic) Pre-refresh hook support (topic) Allow to configure core before it is installed Run configuration of core internally
Support for Nvidia Vulkan/32-it NVIDIA drivers

Schedule

	beta	Nov 30th
	candidate	Dec 11th
	stable	Jan 02th

snapd 2.29

Improved configuration get output (topic) Automatic download of base snaps (topic) Support $ variables in command: (topic) Fix classic flag on reverts (topic) Cache downloaded snaps (topic) Repair capability phase 1 (topic) Make –ignore-validation sticky and send the flag over (topic) Improved progress information on long operations

Schedule

	beta	Oct 23th
	candidate	Oct 30th
	stable	Dec 04th

snapd 2.28

Internal xdg-open implementation (topic) Post-refresh hook support (topic) Lazy registrations on classic (topic) Service control on snap command (start/stop/etc) (topic) Tab-completion for snaps (topic) Polkit-based authorizations (topic) Initial support for base snaps (topic) Snap switch command (topic) Proxy configuration for core devices (topic) Support for /snap as symlink (topic)

Schedule

	beta	Sep 4th
	candidate	Sep 25th
	stable	Oct 9th

snapd 2.27

See release notes topic for details.

Dynamic filesystem updates (snap-update-ns) Android boot support General snapctl support New title field Install --unaliased parameter Seccomp argument filtering Configuration defaults on first boot New or updated interfaces, 17 in total

Schedule

	stable	Sep 5th

upcoming

Improvements in snap download (topic)
Refresh App Awareness (topic)
Health checks (topic)
(other upcoming topics)

backlog

Support for wayland sockets (topic)
Report disk usage for snaps (topic)
Cache snap summary/etc from store (topic)
Repairs Phase 2 (emergency fixes) (topic)
Allow snaps to refresh themselves (topic)
Configuration schemas
Entitlements
Alias in service units (topic)
Replace a snap by another

(other backlog topics)

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Last updated 6 days ago.