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@mheon mheon released this 29 May 20:24
· 1713 commits to main since this release
v5.1.0
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mheon Matt Heon
GPG key ID: 5A0F5FA1CEF5C874
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Learn about vigilant mode.
4e9486d
This commit was signed with the committer’s verified signature. The key has expired.
mheon Matt Heon
GPG key ID: 5A0F5FA1CEF5C874
Expired
Learn about vigilant mode.

Features

  • VMs created by podman machine on macOS with Apple silicon can now use Rosetta 2 (a.k.a Rosetta) for high-speed emulation of x86 code. This is enabled by default. If you wish to change this option, you can do so in containers.conf.
  • Changes made by the podman update command are now persistent, and will survive container restart and be reflected in podman inspect.
  • The podman update command now includes a new option, --restart, to update the restart policy of existing containers.
  • Quadlet .container files now support a new key, GroupAdd, to add groups to the container.
  • Container annotations are now printed by podman inspect.
  • Image-based mounts using podman run --mount type=image,... now support a new option, subpath, to mount only part of the image into the container.
  • A new field, healthcheck_events, has been added to containers.conf under the [engine] section to allow users to disable the generation of health_status events to avoid spamming logs on systems with many healthchecks.
  • A list of images to automatically mount as volumes can now be specified in Kubernetes YAML via the io.podman.annotations.kube.image.automount/$CTRNAME annotation (where $CTRNAME is the name of the container they will be mounted into).
  • The podman info command now includes the default rootless network command (pasta or slirp4netns).
  • The podman ps command now shows ports from --expose that have not been published with --publish-all to improve Docker compatibility.
  • The podman runlabel command now expands $HOME in the label being run to the user's home directory.
  • A new alias, podman network list, has been added to the podman network ls command.
  • The name and shell of containers created by podmansh can now be set in containers.conf.
  • The podman-setup.exe Windows installer now provides 3 new CLI variables, MachineProvider (choose the provider for the machine, windows or wsl, the default), HyperVCheckbox (can be set to 1 to install HyperV if it is not already installed or 0, the default, to not install HyperV), and SkipConfigFileCreation (can be set to 1 to disable the creation of configuration files, or 0, the default).

Changes

  • Podman now changes volume ownership every time an empty named volume is mounted into a container, not just the first time, matching Docker's behavior.
  • When running Kubernetes YAML with podman kube play that does not include an imagePullPolicy and does not set a tag for the image, the image is now always pulled (#21211).
  • When running Kubernetes YAML with podman kube play, pod-level restart policies are now passed down to individual containers within the pod (#20903).
  • The --runroot global option can now accept paths with lengths longer than 50 characters (#22272).
  • Updating containers with the podman update command now emits an event.

Bugfixes

  • Fixed a bug where the --userns=keep-id:uid=0 option to podman create and podman run would generate incorrect UID mappings and cause the container to fail to start (#22078).
  • Fixed a bug where podman stats could report inaccurate percentages for very large or very small values (#22064).
  • Fixed a bug where bind-mount volumes defaulted to rbind instead of bind, meaning recursive mounts were allowed by default (#22107).
  • Fixed a bug where the podman machine rm -f command would fail to remove Hyper-V virtual machines if they were running.
  • Fixed a bug where the podman ps --sync command could sometimes fail to properly update the status of containers.
  • Fixed a bug where bind-mount volumes using the :idmap option would sometimes be inaccessible with rootless Podman (#22228).
  • Fixed a bug where bind-mount volumes using the :U option would have their ownership changed to the owner of the directory in the image being mounted over (#22224).
  • Fixed a bug where removing multiple containers, pods, or images with the --force option did not work when multiple arguments were given to the command and one of them did not exist (#21529).
  • Fixed a bug where Podman did not properly clean up old cached Machine images.
  • Fixed a bug where rapidly-restarting containers with healthchecks could sometimes fail to start their healthchecks after restarting.
  • Fixed a bug where nested Podman could create its pause.pid file in an incorrect directory (#22327).
  • Fixed a bug where Podman would panic if an OCI runtime was configured without associated paths in containers.conf (#22561).
  • Fixed a bug where the podman kube down command would not respect the StopTimeout and StopSignal of containers that it stopped (#22397).
  • Fixed a bug where Systemd-managed containers could be stuck in the Stopping state, unable to be restarted, if systemd killed the unit before podman stop finished stopping the container (#19629).
  • Fixed a bug where the remote Podman client's podman farm build command would not updating manifests on the registry that were already pushed (#22647).
  • Fixed a bug where rootless Podman could fail to re-exec itself when run with a custom argv[0] that is not a valid command path, as might happen when used in podmansh (#22672).
  • Fixed a bug where podman machine connection URIs could be incorrect after an SSH port conflict, rendering machines inaccessible.
  • Fixed a bug where the podman events command would not print an error if incorrect values were passed to its --since and --until options.
  • Fixed a bug where an incorrect host.containers.internal entry could be added when running rootless containers using the bridge network mode (#22653).

API

  • A new Docker-compatible endpoint, Update, has been added for containers.
  • The Compat Create endpoint for Containers now supports setting container annotations.
  • The Libpod List endpoint for Images now includes additional information in its responses (image architecture, OS, and whether the image is a manifest list) (#22184 and #22185).
  • The Build endpoint for Images no longer saves the build context as a temporary file, substantially improving performance and reducing required filesystem space on the server.
  • The Inspect API for Containers now returns results compatible with Podman v4.x when a request with version v4.0.0 is made. This allows Podman 4.X remote clients work with a Podman 5.X server (#22657).
  • Fixed a bug where the Build endpoint for Images would not clean up temporary files created by the build if an error occurred.

Misc

  • Podman now detects unhandled system reboots and advises the user on proper mitigations.
  • Improved debugging output for podman machine on Darwin systems when --log-level=debug is used.
  • The Makefile now allows injecting extra build tags via the EXTRA_BUILD_TAGS environment variable.
  • Updated Buildah to v1.36.0
  • Updated the containers/common library to v0.59.0
  • Updated the containers/image library to v5.31.0
  • Updated the containers/storage library to v1.54.0
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