diff --git a/README.md b/README.md
index 5c2f0c556..2dee790de 100644
--- a/README.md
+++ b/README.md
@@ -22,12 +22,8 @@ To build a VM machine from this repo's source, see the [instructions](docs/creat
| --------------------|---------------------|--------------------|--------------------|
| Ubuntu 24.04 | `ubuntu-latest` or `ubuntu-24.04` | [ubuntu-24.04] |  |
| Ubuntu 22.04 | `ubuntu-22.04` | [ubuntu-22.04] |  |
-| macOS 15 beta | `macos-15-large`| [macOS-15] |  |
-| macOS 15 Arm64 beta | `macos-15` or `macos-15-xlarge` | [macOS-15-arm64] |  |
| macOS 15 | `macos-15-large`| [macOS-15] |  |
| macOS 15 Arm64 | `macos-15` or `macos-15-xlarge` | [macOS-15-arm64] |  |
-| macOS 15 beta | `macos-15-large`| [macOS-15] |  |
-| macOS 15 Arm64 beta | `macos-15` or `macos-15-xlarge` | [macOS-15-arm64] |  |
| macOS 14 | `macos-latest-large` or `macos-14-large`| [macOS-14] |  |
| macOS 14 Arm64 |`macos-latest`, `macos-14`, `macos-latest-xlarge` or `macos-14-xlarge`| [macOS-14-arm64] |  |
| macOS 13 | `macos-13` or `macos-13-large` | [macOS-13] |  |
@@ -133,10 +129,7 @@ We use third-party package managers to install software during the image generat
| Operating system | Package manager | Third-party repos and packages |
| :--- | :---: | ---: |
-| Ubuntu | [APT](https://wiki.debian.org/Apt) | [Eclipse-Temurin (Adoptium)](https://packages.adoptium.net/artifactory/deb/)
[Erlang](https://packages.erlang-solutions.com/ubuntu)
[Firefox](http://ppa.launchpad.net/mozillateam/ppa/ubuntu)
[git-lfs](https://packagecloud.io/install/repositories/github/git-lfs)
[git](https://launchpad.net/~git-core/+archive/ubuntu/ppa)
[Google Cloud CLI](https://packages.cloud.google.com/apt)
[Heroku](https://cli-assets.heroku.com/channels/stable/apt)
[HHvm](https://dl.hhvm.com/ubuntu)
[MongoDB](https://repo.mongodb.org/apt/ubuntu)
[Mono](https://download.mono-project.com/repo/ubuntu)
[MS Edge](https://packages.microsoft.com/repos/edge)
[PostgreSQL](https://apt.postgresql.org/pub/repos/apt/)
[R](https://cloud.r-project.org/bin/linux/ubuntu) |
-| Ubuntu | [APT](https://wiki.debian.org/Apt) | [containers](https://download.opensuse.org/repositories/devel:/kubic:/libcontainers:/stable) (Ubuntu 20 only)
[docker](https://download.docker.com/linux/ubuntu) (Ubuntu20 0nly)
[Eclipse-Temurin (Adoptium)](https://packages.adoptium.net/artifactory/deb/)
[Erlang](https://packages.erlang-solutions.com/ubuntu)
[Firefox](https://ppa.launchpad.net/mozillateam/ppa/ubuntu)
[git-lfs](https://packagecloud.io/install/repositories/github/git-lfs)
[git](https://launchpad.net/~git-core/+archive/ubuntu/ppa)
[Google Cloud CLI](https://packages.cloud.google.com/apt)
[Heroku](https://cli-assets.heroku.com/channels/stable/apt)
[HHvm](https://dl.hhvm.com/ubuntu)
[MongoDB](https://repo.mongodb.org/apt/ubuntu)
[Mono](https://download.mono-project.com/repo/ubuntu)
[MS Edge](https://packages.microsoft.com/repos/edge)
[PostgreSQL](https://apt.postgresql.org/pub/repos/apt/)
[R](https://cloud.r-project.org/bin/linux/ubuntu) |
-| Ubuntu | [APT](https://wiki.debian.org/Apt) | [Eclipse-Temurin (Adoptium)](https://packages.adoptium.net/artifactory/deb/)
[Erlang](https://packages.erlang-solutions.com/ubuntu)
[Firefox](http://ppa.launchpad.net/mozillateam/ppa/ubuntu)
[git-lfs](https://packagecloud.io/install/repositories/github/git-lfs)
[git](https://launchpad.net/~git-core/+archive/ubuntu/ppa)
[Google Cloud CLI](https://packages.cloud.google.com/apt)
[Heroku](https://cli-assets.heroku.com/channels/stable/apt)
[HHvm](https://dl.hhvm.com/ubuntu)
[MongoDB](https://repo.mongodb.org/apt/ubuntu)
[Mono](https://download.mono-project.com/repo/ubuntu)
[MS Edge](https://packages.microsoft.com/repos/edge)
[PostgreSQL](https://apt.postgresql.org/pub/repos/apt/)
[R](https://cloud.r-project.org/bin/linux/ubuntu) |
-| Ubuntu | [APT](https://wiki.debian.org/Apt) | [Eclipse-Temurin (Adoptium)](https://packages.adoptium.net/artifactory/deb/)
[Erlang](https://packages.erlang-solutions.com/ubuntu)
[Firefox](http://ppa.launchpad.net/mozillateam/ppa/ubuntu)
[git-lfs](https://packagecloud.io/install/repositories/github/git-lfs)
[git](https://launchpad.net/~git-core/+archive/ubuntu/ppa)
[Google Cloud CLI](https://packages.cloud.google.com/apt)
[Heroku](https://cli-assets.heroku.com/channels/stable/apt)
[HHvm](https://dl.hhvm.com/ubuntu)
[MongoDB](https://repo.mongodb.org/apt/ubuntu)
[Mono](https://download.mono-project.com/repo/ubuntu)
[MS Edge](https://packages.microsoft.com/repos/edge)
[PostgreSQL](https://apt.postgresql.org/pub/repos/apt/)
[R](https://cloud.r-project.org/bin/linux/ubuntu) |
+| Ubuntu | [APT](https://wiki.debian.org/Apt) | [docker](https://download.docker.com/linux/ubuntu)
[Eclipse-Temurin (Adoptium)](https://packages.adoptium.net/artifactory/deb/)
[Erlang](https://packages.erlang-solutions.com/ubuntu)
[Firefox](https://ppa.launchpad.net/mozillateam/ppa/ubuntu)
[git-lfs](https://packagecloud.io/install/repositories/github/git-lfs)
[git](https://launchpad.net/~git-core/+archive/ubuntu/ppa)
[Google Cloud CLI](https://packages.cloud.google.com/apt)
[Heroku](https://cli-assets.heroku.com/channels/stable/apt)
[HHvm](https://dl.hhvm.com/ubuntu)
[MongoDB](https://repo.mongodb.org/apt/ubuntu)
[Mono](https://download.mono-project.com/repo/ubuntu)
[MS Edge](https://packages.microsoft.com/repos/edge)
[PostgreSQL](https://apt.postgresql.org/pub/repos/apt/)
[R](https://cloud.r-project.org/bin/linux/ubuntu) |
| | [pipx](https://pypa.github.io/pipx) | ansible-core
yamllint |
| Windows | [Chocolatey](https://chocolatey.org) | No third-party repos installed |
| macOS | [Homebrew](https://brew.sh) | [aws-cli v2](https://github.com/aws/homebrew-tap) [azure/bicep](https://github.com/Azure/homebrew-bicep) [mongodb/brew](https://github.com/mongodb/homebrew-brew) |