Component: container

7.25beta5 Development 2026-Sep-16 (6 days ago)

• fix veth interface left running after restarting a stopped container;

7.24.2 Stable 2026-Sep-03 (2 weeks ago)

• improve container image extraction;

7.25beta3 Development 2026-Sep-02 (2 weeks ago)

• add a Ctrl-] escape sequence to exit a stuck container shell;
• fix container interface handling on CHR;
• improve container image extraction;
• require the container device-mode to enable swap;

7.24.1 Stable 2026-Aug-21 (1 month ago)

• improve host isolation when container is set to "privileged=yes";

7.24 Stable 2026-Aug-14 (1 month ago)

• added "save" command to allow saving container images;
• added "swap-current" usage;
• added "swap-max" global and per-container limit;
• added ability to run containers in privileged mode;
• added initial support for RKE2;
• do not allow starting with empty default DNS list and no DNS override;
• do not print environment variables in log on container startup;
• fixed "start-on-boot" not retrying on certain startup errors;
• fixed container "devices" override to appear under "/dev";
• improved layer size calculation to avoid potential loops;
• improved support for containers;
• reduced writes to flash when running health check;
• use env "TERM=xterm" if no TERM variable provided when running shell;

7.23.2 Stable 2026-Jul-03 (2 months ago)

• fixed missing config.json issue when upgrading from version 7.20.8 or older;

7.21.5 Long-term 2026-Jul-03 (2 months ago)

• fixed missing config.json issue when upgrading from version 7.20.8 or older;

7.24beta3 Development 2026-Jun-19 (3 months ago)

• added "save" command to allow saving container images;
• added "swap-current" usage;
• added "swap-max" global and per-container limit;
• added ability to run containers in privileged mode;
• added initial support for RKE2;
• fixed container "devices" override to appear under "/dev";
• improved layer size calculation to avoid potential loops;

7.24beta2 Development 2026-Jun-10 (3 months ago)

• fixed missing config.json issue when upgrading from version 7.20.8 or older;

7.24beta1 Development 2026-May-26 (3 months ago)

• added "save" command;
• do not allow starting with empty default DNS list and no DNS override;
• do not print environment variables in log on container startup;
• fixed "start-on-boot" not retrying on certain startup errors;
• improved support for containers;
• reduced writes to flash when running health check;
• use env "TERM=xterm" if no TERM variable provided when running shell;

7.23 Stable 2026-May-25 (3 months ago)

• added restart-policy=no/always/on-failure, stop-on-unhealthy, restart-count, restart-interval, restart-max-count properties;
• added support for noexec option to mounts;
• added support for USB audio devices for containers;
• allow disabling individual container environment variables without deleting them;
• allow picking mount source directories with the file picker in WinBox;
• allow setting memory-max globally and per container;
• allow user-defined mounts overriding /sys and /dev;
• check if root-dir does not exist before adding a container;
• clean up layers of non-existing containers;
• detect and show containers killed by out-of-memory killer;
• do not allow starting container/shell with non-existing user or group;
• draw graphs in container stats;
• fixed container entrypoint and shell override by user;
• fixed container layer size calculation;
• fixed container shell not working with multi-arg commands;
• fixed repull if root-dir of container was in tmpfs;
• fixed running "/container shell" with the correct user, if container user is set or overridden;
• improved errors at container start;
• improved running container instance memory usage;
• layers are now accessible under "Layers" tab;
• pass any container startup error message back to "run" and make it exit immediately;
• remove container backup directory if import fails;
• removed "Layers" button;
• show container size and container data size;
• show default DNS servers;
• show layer size calculation status;
• updated /dev/net/tun permissions;

7.23rc4 Testing 2026-May-22 (4 months ago)

• updated /dev/net/tun permission;

7.22.2 Stable 2026-Apr-22 (5 months ago)

• fixed losing container after reboot;

7.21.4 Long-term 2026-Apr-21 (5 months ago)

• fixed issue where the container might not start after upgrading if root-dir was not set;
• improved error message if a container fails to start;

7.23rc1 Testing 2026-Apr-14 (5 months ago)

• check if root-dir is not used before adding a container;
• check if root-dir does not exist before adding a container;

7.23beta5 Development 2026-Apr-01 (5 months ago)

• allow setting memory-max global and per container (additional fixes);

7.23beta4 Development 2026-Mar-25 (5 months ago)

• added support for noexec option to mounts;
• added support for USB audio devices for containers;
• do not allow starting container/shell with non-existing user or group;
• draw graphs in container stats;
• remove container backup directory if import fails;
• show container size and container data size;
• show default DNS servers;

7.23beta2 Development 2026-Mar-13 (6 months ago)

• added restart-policy=no/always/on-failure, stop-on-unhealthy, restart-count, restart-interval, restart-max-count properties;
• allow disabling individual container environment variables without deleting them;
• allow picking mount source directories with the file picker in WinBox;
• allow setting memory-max global and per container;
• allow user-defined mounts overriding /sys and /dev;
• clean up layers of non-existing containers;
• detect and show containers killed by out-of-memory killer;
• fixed container entrypoint and shell override by user;
• fixed container layer size calculation;
• fixed container shell not working with multi-arg commands;
• fixed losing container after reboot;
• fixed repull if root-dir of container was in tmpfs;
• fixed running "/container shell" with the correct user, if container user is set or overridden;
• improved errors at container start;
• improved running container instance memory usage;
• layers are now accessible under "Layers" tab;
• pass any container startup error message back to "run" and make it exit immediately;
• removed "Layers" button;
• show layer size calculation status;

7.22 Stable 2026-Mar-09 (6 months ago)

• added support for zstd extraction;
• automatically stop/repull/start the container on repull or remote-image change;
• fixed issue where the container may not start after upgrading if root-dir was not set;
• improved error message if container fails to start;
• internal stability improvements;
• use the user-defined envs and envlist for container shell command;

7.22rc3 Testing 2026-Feb-26 (6 months ago)

• automatically stop/repull/start the container on repull or remote-image change;

7.22rc2 Testing 2026-Feb-17 (7 months ago)

• fixed issue where the container may not start after upgrading if root-dir was not set;
• improved error message if container fails to start;

7.20.8 Long-term 2026-Jan-30 (7 months ago)

• fixed nftables/iptables not working with "Message too long" error;

7.21.2 Stable 2026-Jan-29 (7 months ago)

• added support for the shm_size setting;
• allow non-root user write to SMB share;
• changed default container registry to docker.io;
• do not mount tmpfs on /tmp and /run by default;
• do not start container if any volume is not mounted;
• fixed nftables/iptables not working with "Message too long" error;
• made container mounts writable by the user;

7.22beta6 Development 2026-Jan-28 (7 months ago)

• added support for the shm_size setting;
• allow non-root user write to SMB share;
• do not mount tmpfs on /tmp and /run by default;
• do not start container if any volume is not mounted;

7.22beta5 Development 2026-Jan-21 (8 months ago)

• fixed issue where containers may not start with large mounts;
• fixed nftables/iptables not working with "Message too long" error;
• made container mounts writable by the user;
• use the user-defined envs and envlist for container shell command;