- Fixed missing Docker Desktop systray icon [docker/for-win#12573](https://github.com/docker/for-win/issues/12573)
- Fixed Registry Access Management under WSL 2 with latest 5.10.60.1 kernel.
- Fixed a UI crash when selecting the containers of a Compose application started from a WSL 2 environment. Fixes [docker/for-win#12567](https://github.com/docker/for-win/issues/12567).
- Fixed copying text from terminal in Quick Start Guide. Fixes [docker/for-win#12444](https://github.com/docker/for-win/issues/12444).

### Known issues

#### For Mac

- After enabling VirtioFS, containers with processes running with different Unix user IDs may experience caching issues. For example if a process running as `root` queries a file and another process running as user `nginx` tries to access the same file immediately, the `nginx` process will get a "Permission Denied" error.

## 4.5.1

{{< release-date date="2022-02-15" >}}

### Bug fixes and enhancements

#### For Windows

- Fixed an issue that caused new installations to default to the Hyper-V backend instead of WSL 2.
- Fixed a crash in the Docker Desktop Dashboard which would make the systray menu disappear.

If you are running Docker Desktop on Windows Home, installing 4.5.1 will switch it back to WSL 2 automatically. If you are running another version of Windows, and you want Docker Desktop to use the WSL 2 backend, you must manually switch by enabling the **Use the WSL 2 based engine** option in the **Settings > General** section.
Alternatively, you can edit the Docker Desktop settings file located at `%APPDATA%\Docker\settings.json` and manually switch the value of the `wslEngineEnabled` field to `true`.

## 4.5.0

{{< release-date date="2022-02-10" >}}

### New

- Docker Desktop 4.5.0 introduces a new version of the Docker menu which creates a consistent user experience across all operating systems. For more information, see the blog post [New Docker Menu & Improved Release Highlights with Docker Desktop 4.5](https://www.docker.com/blog/new-docker-menu-improved-release-highlights-with-docker-desktop-4-5/)
- The 'docker version' output now displays the version of Docker Desktop installed on the machine.

### Updates

- [Amazon ECR Credential Helper v0.6.0](https://github.com/awslabs/amazon-ecr-credential-helper/releases/tag/v0.6.0)

### Security

#### For Mac

- Fixed [CVE-2021-44719](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-44719) where Docker Desktop could be used to access any user file on the host from a container, bypassing the allowed list of shared folders.

#### For Windows

- Fixed [CVE-2022-23774](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-23774) where Docker Desktop allows attackers to move arbitrary files.

### Bug fixes and enhancements

#### For all platforms

- Fixed an issue where Docker Desktop incorrectly prompted users to sign in after they quit Docker Desktop and start the application.
- Increased the filesystem watch (inotify) limits by setting `fs.inotify.max_user_watches=1048576` and `fs.inotify.max_user_instances=8192` in Linux. Fixes [docker/for-mac#6071](https://github.com/docker/for-mac/issues/6071).

#### For Mac

- Fixed an issue that caused the VM to become unresponsive during startup when using `osxfs` and when no host directories are shared with the VM.
- Fixed an issue that didn't allow users to stop a Docker Compose application using Docker Desktop Dashboard if the application was started in a different version of Docker Compose. For example, if the user started a Docker Compose application in V1 and then switched to Docker Compose V2, attempts to stop the Docker Compose application would fail.
- Fixed an issue where Docker Desktop incorrectly prompted users to sign in after they quit Docker Desktop and start the application.
- Fixed an issue where the **About Docker Desktop** window wasn't working anymore.
- Limit the number of CPUs to 8 on Mac M1 to fix the startup problem. Fixes [docker/for-mac#6063](https://github.com/docker/for-mac/issues/6063).