Podman

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3.1.2

Bugfixes
- Fixed a bug where images with empty layers were stored incorrectly, causing them to be unable to be pushed or saved.
- Fixed a bug where the `podman rmi` command could fail to remove corrupt images from storage.
- Fixed a bug where the remote Podman client's `podman save` command did not support the `oci-dir` and `docker-dir` formats ([9742](https://github.com/containers/podman/issues/9742)).
- Fixed a bug where volume mounts from `podman play kube` created with a trailing `/` in the container path were were not properly superceding named volumes from the image ([9618](https://github.com/containers/podman/issues/9618)).
- Fixed a bug where Podman could fail to build on 32-bit architectures.

Misc
- Updated the containers/image library to v5.11.1

3.1.1.3

PodmanClient() introduces docker-py functionality, while additionally allowing access to Podman unique functionality such as Pods.

Note: APIConnection() and it's support classes will be deprecated.

Known Limitations:

* PodmanClient() currently only connects to UNIX domain socket.
* Container attach and exec not implemented.
* Podman Network API not well documented or tested, the compatibility API to better align with docker-py
* Podman does not support:
* Swam operations
* Container update, Container rename is supported

3.1.1

Changes
- Podman now recognizes `trace` as a valid argument to the `--log-level` command. Trace logging is now the most verbose level of logging available.
- The `:z` and `:Z` options for volume mounts are now ignored when the container is privileged or is run with SELinux isolation disabled (`--security-opt label=disable`). This matches better matches Docker's behavior in this case.

Bugfixes
- Fixed a bug where pruning images with the `podman image prune` or `podman system prune` commands could cause Podman to panic.
- Fixed a bug where the `podman save` command did not properly error when the `--compress` flag was used with incompatible format types.
- Fixed a bug where the `--security-opt` and `--ulimit` options to the remote Podman client's `podman build` command were nonfunctional.
- Fixed a bug where the `--log-rusage` option to the remote Podman client's `podman build` command was nonfunctional ([9489](https://github.com/containers/podman/issues/9889)).
- Fixed a bug where the `podman build` command could, in some circumstances, use the wrong OCI runtime ([9459](https://github.com/containers/podman/issues/9459)).
- Fixed a bug where the remote Podman client's `podman build` command could return 0 despite failing ([10029](https://github.com/containers/podman/issues/10029)).
- Fixed a bug where the `podman container runlabel` command did not properly expand the `IMAGE` and `NAME` variables in the label ([9405](https://github.com/containers/podman/issues/9405)).
- Fixed a bug where poststop OCI hooks would be executed twice on containers started with the `--rm` argument ([9983](https://github.com/containers/podman/issues/9983)).
- Fixed a bug where rootless Podman could fail to launch containers on cgroups v2 systems when the `cgroupfs` cgroup manager was in use.
- Fixed a bug where the `podman stats` command could error when statistics tracked exceeded the maximum size of a 32-bit signed integer ([9979](https://github.com/containers/podman/issues/9979)).
- Fixed a bug where rootless Podman containers run with `--userns=keepid` (without a `--user` flag in addition) would grant exec sessions run in them too many capabilities ([9919](https://github.com/containers/podman/issues/9919)).
- Fixed a bug where the `--authfile` option to `podman build` did not validate that the path given existed ([9572](https://github.com/containers/podman/issues/9572)).
- Fixed a bug where the `--storage-opt` option to Podman was appending to, instead of overriding (as is documented), the default storage options.
- Fixed a bug where the `podman system service` connection did not function properly when run in a socket-activated systemd unit file as a non-root user.
- Fixed a bug where the `--network` option to the `podman play kube` command of the remote Podman client was being ignored ([9698](https://github.com/containers/podman/issues/9698)).
- Fixed a bug where the `--log-driver` option to the `podman play kube` command was nonfunctional ([10015](https://github.com/containers/podman/issues/10015)).

API
- Fixed a bug where the Libpod Create endpoint for Manifests did not properly validate the image the manifest was being created with.
- Fixed a bug where the Libpod DF endpoint could, in error cases, append an extra null to the JSON response, causing decode errors.
- Fixed a bug where the Libpod and Compat Top endpoint for Containers would return process names that included extra whitespace.
- Fixed a bug where the Compat Prune endpoint for Containers accepted too many types of filter.

Misc
- Updated Buildah to v1.20.1
- Updated the containers/storage library to v1.29.0
- Updated the containers/image library to v5.11.0
- Updated the containers/common library to v0.36.0

3.1.0

Features
- A set of new commands has been added to manage secrets! The `podman secret create`, `podman secret inspect`, `podman secret ls` and `podman secret rm` commands have been added to handle secrets, along with the `--secret` option to `podman run` and `podman create` to add secrets to containers. The initial driver for secrets does not support encryption - this will be added in a future release.
- A new command to prune networks, `podman network prune`, has been added ([8673](https://github.com/containers/podman/issues/8673)).
- The `-v` option to `podman run` and `podman create` now supports a new volume option, `:U`, to chown the volume's source directory on the host to match the UID and GID of the container and prevent permissions issues ([7778](https://github.com/containers/podman/issues/7778)).
- Three new commands, `podman network exists`, `podman volume exists`, and `podman manifest exists`, have been added to check for the existence of networks, volumes, and manifest lists.
- The `podman cp` command can now copy files into directories mounted as `tmpfs` in a running container.
- The `podman volume prune` command will now list volumes that will be pruned when prompting the user whether to continue and perform the prune ([8913](https://github.com/containers/podman/issues/8913)).
- The Podman remote client's `podman build` command now supports the `--disable-compression`, `--excludes`, and `--jobs` options.
- The Podman remote client's `podman push` command now supports the `--format` option.
- The Podman remote client's `podman rm` command now supports the `--all` and `--ignore` options.
- The Podman remote client's `podman search` command now supports the `--no-trunc` and `--list-tags` options.
- The `podman play kube` command can now read in Kubernetes YAML from `STDIN` when `-` is specified as file name (`podman play kube -`), allowing input to be piped into the command for scripting ([8996](https://github.com/containers/podman/issues/8996)).
- The `podman generate systemd` command now supports a `--no-header` option, which disables creation of the header comment automatically added by Podman to generated unit files.
- The `podman generate kube` command can now generate `PersistentVolumeClaim` YAML for Podman named volumes ([5788](https://github.com/containers/podman/issues/5788)).
- The `podman generate kube` command can now generate YAML files containing multiple resources (pods or deployments) ([9129](https://github.com/containers/podman/issues/9129)).

Security
- This release resolves CVE-2021-20291, a deadlock vulnerability in the storage library caused by pulling a specially-crafted container image.

Changes
- The Podman remote client's `podman build` command no longer allows the `-v` flag to be used. Volumes are not yet supported with remote Podman when the client and service are on different machines.
- The `podman kill` and `podman stop` commands now print the name given by the user for each container, instead of the full ID.
- When the `--security-opt unmask=ALL` or `--security-opt unmask=/sys/fs/cgroup` options to `podman create` or `podman run` are given, Podman will mount cgroups into the container as read-write, instead of read-only ([8441](https://github.com/containers/podman/issues/8441)).
- The `podman rmi` command has been changed to better handle cases where an image is incomplete or corrupted, which can be caused by interrupted image pulls.
- The `podman rename` command has been improved to be more atomic, eliminating many race conditions that could potentially render a renamed container unusable.
- Detection of which OCI runtimes run using virtual machines and thus require custom SELinux labelling has been improved ([9582](https://github.com/containers/podman/issues/9582)).
- The hidden `--trace` option to `podman` has been turned into a no-op. It was used in very early versions for performance tracing, but has not been supported for some time.
- The `podman generate systemd` command now generates `RequiresMountsFor` lines to ensure necessary storage directories are mounted before systemd starts Podman.
- Podman will now emit a warning when `--tty` and `--interactive` are both passed, but `STDIN` is not a TTY. This will be made into an error in the next major Podman release some time next year.

Bugfixes
- Fixed a bug where rootless Podman containers joined to CNI networks could not receive traffic from forwarded ports ([9065](https://github.com/containers/podman/issues/9065)).
- Fixed a bug where `podman network create` with the `--macvlan` flag did not honor the `--gateway`, `--subnet`, and `--opt` options ([9167](https://github.com/containers/podman/issues/9167)).
- Fixed a bug where the `podman generate kube` command generated invalid YAML for privileged containers ([8897](https://github.com/containers/podman/issues/8897)).
- Fixed a bug where the `podman generate kube` command could not be used with containers that were not running.
- Fixed a bug where the `podman generate systemd` command could duplicate some parameters to Podman in generated unit files ([9776](https://github.com/containers/podman/issues/9776)).
- Fixed a bug where Podman did not add annotations specified in `containers.conf` to containers.
- Foxed a bug where Podman did not respect the `no_hosts` default in `containers.conf` when creating containers.
- Fixed a bug where the `--tail=0`, `--since`, and `--follow` options to the `podman logs` command did not function properly when using the `journald` log backend.
- Fixed a bug where specifying more than one container to `podman logs` when the `journald` log backend was in use did not function correctly.
- Fixed a bug where the `podman run` and `podman create` commands would panic if a memory limit was set, but the swap limit was set to unlimited ([9429](https://github.com/containers/podman/issues/9429)).
- Fixed a bug where the `--network` option to `podman run`, `podman create`, and `podman pod create` would error if the user attempted to specify CNI networks by ID, instead of name ([9451](https://github.com/containers/podman/issues/9451)).
- Fixed a bug where Podman's cgroup handling for cgroups v1 systems did not properly handle cases where a cgroup existed on some, but not all, controllers, resulting in errors from the `podman stats` command ([9252](https://github.com/containers/podman/issues/9252)).
- Fixed a bug where the `podman cp` did not properly handle cases where `/dev/stdout` was specified as the destination (it was treated identically to `-`) ([9362](https://github.com/containers/podman/issues/9362)).
- Fixed a bug where the `podman cp` command would create files with incorrect ownership ([9526](https://github.com/containers/podman/issues/9626)).
- Fixed a bug where the `podman cp` command did not properly handle cases where the destination directory did not exist.
- Fixed a bug where the `podman cp` command did not properly evaluate symlinks when copying out of containers.
- Fixed a bug where the `podman rm -fa` command would error when attempting to remove containers created with `--rm` ([9479](https://github.com/containers/podman/issues/9479)).
- Fixed a bug where the ordering of capabilities was nondeterministic in the `CapDrop` field of the output of `podman inspect` on a container ([9490](https://github.com/containers/podman/issues/9490)).
- Fixed a bug where the `podman network connect` command could be used with containers that were not initially connected to a CNI bridge network (e.g. containers created with `--net=host`) ([9496](https://github.com/containers/podman/issues/9496)).
- Fixed a bug where DNS search domains required by the `dnsname` CNI plugin were not being added to container's `resolv.conf` under some circumstances.
- Fixed a bug where the `--ignorefile` option to `podman build` was nonfunctional ([9570](https://github.com/containers/podman/issues/9570)).
- Fixed a bug where the `--timestamp` option to `podman build` was nonfunctional ([9569](https://github.com/containers/podman/issues/9569)).
- Fixed a bug where the `--iidfile` option to `podman build` could cause Podman to panic if an error occurred during the build.
- Fixed a bug where the `--dns-search` option to `podman build` was nonfunctional ([9574](https://github.com/containers/podman/issues/9574)).
- Fixed a bug where the `--pull-never` option to `podman build` was nonfunctional ([9573](https://github.com/containers/podman/issues/9573)).
- Fixed a bug where the `--build-arg` option to `podman build` would, when given a key but not a value, error (instead of attempting to look up the key as an environment variable) ([9571](https://github.com/containers/podman/issues/9571)).
- Fixed a bug where the `--isolation` option to `podman build` in the remote Podman client was nonfunctional.
- Fixed a bug where the `podman network disconnect` command could cause errors when the container that had a network removed was stopped and its network was cleaned up ([9602](https://github.com/containers/podman/issues/9602)).
- Fixed a bug where the `podman network rm` command did not properly check what networks a container was present in, resulting in unexpected behavior if `podman network connect` or `podman network disconnect` had been used with the network ([9632](https://github.com/containers/podman/issues/9632)).
- Fixed a bug where some errors with stopping a container could cause Podman to panic, and the container to be stuck in an unusable `stopping` state ([9615](https://github.com/containers/podman/issues/9615)).
- Fixed a bug where the `podman load` command could return 0 even in cases where an error occurred ([9672](https://github.com/containers/podman/issues/9672)).
- Fixed a bug where specifying storage options to Podman using the `--storage-opt` option would override all storage options. Instead, storage options are now overridden only when the `--storage-driver` option is used to override the current graph driver ([9657](https://github.com/containers/podman/issues/9657)).
- Fixed a bug where containers created with `--privileged` could request more capabilities than were available to Podman.
- Fixed a bug where `podman commit` did not use the `TMPDIR` environment variable to place temporary files created during the commit ([9825](https://github.com/containers/podman/issues/9825)).
- Fixed a bug where remote Podman could error when attempting to resize short-lived containers ([9831](https://github.com/containers/podman/issues/9831)).
- Fixed a bug where Podman was unusable on kernels built without `CONFIG_USER_NS`.
- Fixed a bug where the ownership of volumes created by `podman volume create` and then mounted into a container could be incorrect ([9608](https://github.com/containers/podman/issues/9608)).
- Fixed a bug where Podman volumes using a volume plugin could not pass certain options, and could not be used as non-root users.
- Fixed a bug where the `--tz` option to `podman create` and `podman run` did not properly validate its input.

API
- Fixed a bug where the `X-Registry-Auth` header did not accept `null` as a valid value.
- A new compat endpoint, `/auth`, has been added. This endpoint validates credentials against a registry ([9564](https://github.com/containers/podman/issues/9564)).
- Fixed a bug where the compat Build endpoint for Images specified labels using the wrong type (array vs map). Both formats will be accepted now.
- Fixed a bug where the compat Build endpoint for Images did not report that it successfully tagged the built image in its response.
- Fixed a bug where the compat Create endpoint for Images did not provide progress information on pulling the image in its response.
- Fixed a bug where the compat Push endpoint for Images did not properly handle the destination (used a query parameter, instead of a path parameter).
- Fixed a bug where the compat Push endpoint for Images did not send the progress of the push and the digest of the pushed image in the response body.
- Fixed a bug where the compat List endpoint for Networks returned null, instead of an empty array (`[]`), when no networks were present ([9293](https://github.com/containers/podman/issues/9293)).
- Fixed a bug where the compat List endpoint for Networks returned nulls, instead of empty maps, for networks that do not have Labels and/or Options.
- The Libpod Inspect endpoint for networks (`/libpod/network/$ID/json`) now has an alias at `/libpod/network/$ID` ([9691](https://github.com/containers/podman/issues/9691)).
- Fixed a bug where the libpod Inspect endpoint for Networks returned a 1-size array of results, instead of a single result ([9690](https://github.com/containers/podman/issues/9690)).
- The Compat List endpoint for Networks now supports the legacy format for filters in parallel with the current filter format ([9526](https://github.com/containers/podman/issues/9526)).
- Fixed a bug where the compat Create endpoint for Containers did not properly handle tmpfs filesystems specified with options ([9511](https://github.com/containers/podman/issues/9511)).
- Fixed a bug where the compat Create endpoint for Containers did not create bind-mount source directories ([9510](https://github.com/containers/podman/issues/9510)).
- Fixed a bug where the compat Create endpoint for Containers did not properly handle the `NanoCpus` option ([9523](https://github.com/containers/podman/issues/9523)).
- Fixed a bug where the Libpod create endpoint for Containers has a misnamed field in its JSON.
- Fixed a bug where the compat List endpoint for Containers did not populate information on forwarded ports ([9553](https://github.com/containers/podman/issues/9553))
- Fixed a bug where the compat List endpoint for Containers did not populate information on container CNI networks ([9529](https://github.com/containers/podman/issues/9529)).
- Fixed a bug where the compat and libpod Stop endpoints for Containers would ignore a timeout of 0.
- Fixed a bug where the compat and libpod Resize endpoints for Containers did not set the correct terminal sizes (dimensions were reversed) ([9756](https://github.com/containers/podman/issues/9756)).
- Fixed a bug where the compat Remove endpoint for Containers would not return 404 when attempting to remove a container that does not exist ([9675](https://github.com/containers/podman/issues/9675)).
- Fixed a bug where the compat Prune endpoint for Volumes would still prune even if an invalid filter was specified.
- Numerous bugs related to filters have been addressed.

Misc
- Updated Buildah to v1.20.0
- Updated the containers/storage library to v1.28.1
- Updated the containers/image library to v5.10.5
- Updated the containers/common library to v0.35.4

3.1.0rc2

This is the second release candidate for Podman v3.1.0

Preliminary release notes are below. Please note that these are subject to change until the final release.

Features
- A set of new commands has been added to manage secrets! The `podman secret create`, `podman secret inspect`, `podman secret ls` and `podman secret rm` commands have been added to handle secrets, along with the `--secret` option to `podman run` and `podman create` to add secrets to containers. The initial driver for secrets does not support encryption - this will be added in a future release.
- A new command to prune networks, `podman network prune`, has been added ([8673](https://github.com/containers/podman/issues/8673)).
- The `-v` option to `podman run` and `podman create` now supports a new volume option, `:U`, to chown the volume's source directory on the host to match the UID and GID of the container and prevent permissions issues ([7778](https://github.com/containers/podman/issues/7778)).
- Three new commands, `podman network exists`, `podman volume exists`, and `podman manifest exists`, have been added to check for the existence of networks, volumes, and manifest lists.
- The `podman cp` command can now copy files into directories mounted as `tmpfs` in a running container.
- The `podman volume prune` command will now list volumes that will be pruned when prompting the user whether to continue and perform the prune ([8913](https://github.com/containers/podman/issues/8913)).
- The Podman remote client's `podman build` command now supports the `--disable-compression`, `--excludes`, and `--jobs` options.
- The Podman remote client's `podman push` command now supports the `--format` option.
- The Podman remote client's `podman rm` command now supports the `--all` and `--ignore` options.
- The Podman remote client's `podman search` command now supports the `--no-trunc` and `--list-tags` options.
- The `podman play kube` command can now read in Kubernetes YAML from `STDIN` when `-` is specified as file name (`podman play kube -`), allowing input to be piped into the command for scripting ([8996](https://github.com/containers/podman/issues/8996)).
- The `podman generate systemd` command now supports a `--no-header` option, which disables creation of the header comment automatically added by Podman to generated unit files.

Changes
- The Podman remote client's `podman build` command no longer allows the `-v` flag to be used. Volumes are not yet supported with remote Podman when the client and service are on different machines.
- The `podman kill` and `podman stop` commands now print the name given by the user for each container, instead of the full ID.
- When the `--security-opt unmask=ALL` or `--security-opt unmask=/sys/fs/cgroup` options to `podman create` or `podman run` are given, Podman will mount cgroups into the container as read-write, instead of read-only ([8441](https://github.com/containers/podman/issues/8441)).
- The `podman rmi` command has been changed to better handle cases where an image is incomplete or corrupted, which can be caused by interrupted image pulls.
- The `podman rename` command has been improved to be more atomic, eliminating many race conditions that could potentially render a renamed container unusable.
- Detection of which OCI runtimes run using virtual machines and thus require custom SELinux labelling has been improved ([9582](https://github.com/containers/podman/issues/9582)).
- The hidden `--trace` option to `podman` has been turned into a no-op. It was used in very early versions for performance tracing, but has not been supported for some time.

Bugfixes
- Fixed a bug where rootless Podman containers joined to CNI networks could not receive traffic from forwarded ports ([9065](https://github.com/containers/podman/issues/9065)).
- Fixed a bug where `podman network create` with the `--macvlan` flag did not honor the `--gateway`, `--subnet`, and `--opt` options ([9167](https://github.com/containers/podman/issues/9167)).
- Fixed a bug where the `podman generate kube` command generated invalid YAML for privileged containers ([8897](https://github.com/containers/podman/issues/8897)).
- Fixed a bug where the `podman generate kube` command could not be used with containers that were not running.
- Fixed a bug where Podman did not add annotations specified in `containers.conf` to containers.
- Foxed a bug where Podman did not respect the `no_hosts` default in `containers.conf` when creating containers.
- Fixed a bug where the `--tail=0`, `--since`, and `--follow` options to the `podman logs` command did not function properly when using the `journald` log backend.
- Fixed a bug where specifying more than one container to `podman logs` when the `journald` log backend was in use did not function correctly.
- Fixed a bug where the `podman run` and `podman create` commands would panic if a memory limit was set, but the swap limit was set to unlimited ([9429](https://github.com/containers/podman/issues/9429)).
- Fixed a bug where the `--network` option to `podman run`, `podman create`, and `podman pod create` would error if the user attempted to specify CNI networks by ID, instead of name ([9451](https://github.com/containers/podman/issues/9451)).
- Fixed a bug where Podman's cgroup handling for cgroups v1 systems did not properly handle cases where a cgroup existed on some, but not all, controllers, resulting in errors from the `podman stats` command ([9252](https://github.com/containers/podman/issues/9252)).
- Fixed a bug where the `podman cp` did not properly handle cases where `/dev/stdout` was specified as the destination (it was treated identically to `-`) ([9362](https://github.com/containers/podman/issues/9362)).
- Fixed a bug where the `podman cp` command would create files with incorrect ownership ([9526](https://github.com/containers/podman/issues/9626)).
- Fixed a bug where the `podman cp` command did not properly handle cases where the destination directory did not exist.
- Fixed a bug where the `podman cp` command did not properly evaluate symlinks when copying out of containers.
- Fixed a bug where the `podman rm -fa` command would error when attempting to remove containers created with `--rm` ([9479](https://github.com/containers/podman/issues/9479)).
- Fixed a bug where the ordering of capabilities was nondeterministic in the `CapDrop` field of the output of `podman inspect` on a container ([9490](https://github.com/containers/podman/issues/9490)).
- Fixed a bug where the `podman network connect` command could be used with containers that were not initially connected to a CNI bridge network (e.g. containers created with `--net=host`) ([9496](https://github.com/containers/podman/issues/9496)).
- Fixed a bug where DNS search domains required by the `dnsname` CNI plugin were not being added to container's `resolv.conf` under some circumstances.
- Fixed a bug where the `--ignorefile` option to `podman build` was nonfunctional ([9570](https://github.com/containers/podman/issues/9570)).
- Fixed a bug where the `--timestamp` option to `podman build` was nonfunctional ([9569](https://github.com/containers/podman/issues/9569)).
- Fixed a bug where the `--iidfile` option to `podman build` could cause Podman to panic if an error occurred during the build.
- Fixed a bug where the `--dns-search` option to `podman build` was nonfunctional ([9574](https://github.com/containers/podman/issues/9574)).
- Fixed a bug where the `--build-arg` option to `podman build` would, when given a key but not a value, error (instead of attempting to look up the key as an environment variable) ([9571](https://github.com/containers/podman/issues/9571)).
- Fixed a bug where the `podman network disconnect` command could cause errors when the container that had a network removed was stopped and its network was cleaned up ([9602](https://github.com/containers/podman/issues/9602)).
- Fixed a bug where the `podman network rm` command did not properly check what networks a container was present in, resulting in unexpected behavior if `podman network connect` or `podman network disconnect` had been used with the network ([9632](https://github.com/containers/podman/issues/9632)).
- Fixed a bug where some errors with stopping a container could cause Podman to panic, and the container to be stuck in an unusable `stopping` state ([9615](https://github.com/containers/podman/issues/9615)).
- Fixed a bug where the `podman load` command could return 0 even in cases where an error occurred ([9672](https://github.com/containers/podman/issues/9672)).
- Fixed a bug where specifying storage options to Podman using the `--storage-opt` option would override all storage options. Instead, storage options are now overridden only when the `--storage-driver` option is used to override the current graph driver ([9657](https://github.com/containers/podman/issues/9657)).
- Fixed a bug where containers created with `--privileged` could request more capabilities than were available to Podman.

API
- Fixed a bug where the `X-Registry-Auth` header did not accept `null` as a valid value.
- A new compat endpoint, `/auth`, has been added. This endpoint validates credentials against a registry ([9564](https://github.com/containers/podman/issues/9564)).
- Fixed a bug where the compat Build endpoint for Images specified labels using the wrong type (array vs map). Both formats will be accepted now.
- Fixed a bug where the compat Build endpoint for Images did not report that it successfully tagged the built image in its response.
- Fixed a bug where the compat Create endpoint for Images did not provide progress information on pulling the image in its response.
- Fixed a bug where the compat Push endpoint for Images did not properly handle the destination (used a query parameter, instead of a path parameter).
- Fixed a bug where the compat Push endpoint for Images did not send the progress of the push and the digest of the pushed image in the response body.
- Fixed a bug where the compat List endpoint for Networks returned null, instead of an empty array (`[]`), when no networks were present ([9293](https://github.com/containers/podman/issues/9293)).
- Fixed a bug where the compat List endpoint for Networks returned nulls, instead of empty maps, for networks that do not have Labels and/or Options.
- The Libpod Inspect endpoint for networks (`/libpod/network/$ID/json`) now has an alias at `/libpod/network/$ID` ([9691](https://github.com/containers/podman/issues/9691)).
- Fixed a bug where the libpod Inspect endpoint for Networks returned a 1-size array of results, instead of a single result ([9690](https://github.com/containers/podman/issues/9690)).
- The Compat List endpoint for Networks now supports the legacy format for filters in parallel with the current filter format ([9526](https://github.com/containers/podman/issues/9526)).
- Fixed a bug where the compat Create endpoint for Containers did not properly handle tmpfs filesystems specified with options ([9511](https://github.com/containers/podman/issues/9511)).
- Fixed a bug where the compat Create endpoint for Containers did not create bind-mount source directories ([9510](https://github.com/containers/podman/issues/9510)).
- Fixed a bug where the compat Create endpoint for Containers did not properly handle the `NanoCpus` option ([9523](https://github.com/containers/podman/issues/9523)).
- Fixed a bug where the compat List endpoint for Containers did not populate information on forwarded ports ([9553](https://github.com/containers/podman/issues/9553))
- Fixed a bug where the compat List endpoint for Containers did not populate information on container CNI networks ([9529](https://github.com/containers/podman/issues/9529)).
- Fixed a bug where the compat and libpod Stop endpoints for Containers would ignore a timeout of 0.
- Fixed a bug where the compat Remove endpoint for Containers would not return 404 when attempting to remove a container that does not exist ([9675](https://github.com/containers/podman/issues/9675)).
- Fixed a bug where the compat Prune endpoint for Volumes would still prune even if an invalid filter was specified.

Misc
- Updated Buildah to v1.19.8
- Updated the containers/storage library to v1.28.0
- Updated the containers/image library to v5.10.5
- Updated the containers/common library to v0.35.3

3.1.0rc1

This is the first release candidate for Podman v3.1.0. Release is expected later this week.

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