diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
new file mode 100644
index 00000000..922f8b8f
--- /dev/null
+++ b/.github/workflows/pull_request.yml
@@ -0,0 +1,52 @@
+name: Pull request
+
+on:
+  pull_request:
+    types: [opened, reopened, synchronize]
+
+jobs:
+  soundness:
+    name: Soundness
+    uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
+    with:
+      license_header_check_enabled: false
+      license_header_check_project_name: "Swift.org"
+      api_breakage_check_enabled: false
+      docs_check_enabled: false
+      format_check_enabled: false
+      shell_check_enabled: false
+      unacceptable_language_check_enabled: true
+
+  tests:
+    name: Test
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      # linux_os_versions: "[\"jammy\", \"noble\", \"focal\", \"amazonlinux2\", \"rhel-ubi9\", \"bookworm\", \"fedora39\"]"
+      # Not working: noble (compile error in TSC FileSystem), bookworm (missing memory.h), fedora39 (missing memory.h)
+      linux_os_versions: "[\"jammy\", \"focal\", \"rhel-ubi9\"]"
+      # We only care about the current stable release, because that's where we make our swiftly releases
+      linux_exclude_swift_versions: "[{\"swift_version\": \"nightly-main\"},{\"swift_version\": \"nightly-6.0\"},{\"swift_version\": \"5.8\"},{\"swift_version\": \"5.9\"},{\"swift_version\": \"5.10\"}]"
+      linux_pre_build_command: ((apt-get update && apt-get -y install curl make) || ((curl --help || yum -y install curl) && yum -y install make)) && ./scripts/install-libarchive.sh
+      enable_windows_checks: false
+
+  releasebuild:
+    name: Release Build
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      linux_os_versions: "[\"rhel-ubi9\"]"
+      # We only care about the current stable release, because that's where we make our swiftly releases
+      linux_exclude_swift_versions: "[{\"swift_version\": \"nightly-main\"},{\"swift_version\": \"nightly-6.0\"},{\"swift_version\": \"5.8\"},{\"swift_version\": \"5.9\"},{\"swift_version\": \"5.10\"}]"
+      linux_pre_build_command: echo ""
+      linux_build_command: swift run build-swiftly-release --skip 0.4.0
+      enable_windows_checks: false
+
+  formatcheck:
+    name: Format Check
+    uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
+    with:
+      # We only need to run this with one swift release and on one of the linux distributions
+      linux_os_versions: "[\"jammy\"]"
+      linux_exclude_swift_versions: "[{\"swift_version\": \"nightly-main\"},{\"swift_version\": \"nightly-6.0\"},{\"swift_version\": \"5.8\"},{\"swift_version\": \"5.9\"},{\"swift_version\": \"5.10\"}]"
+      linux_pre_build_command: echo ""
+      linux_build_command: swift run swiftformat --lint --dryrun .
+      enable_windows_checks: false
diff --git a/NOTICE.txt b/NOTICE.txt
index 663ca501..b3bfba6f 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -56,6 +56,6 @@ following third party libraries:
 * libarchive - Copyright (c) 2003-2018 Tim Kientzle. All rights reserved.
 
   * LICENSE ("New BSD license"):
-    * https://raw.githubusercontent.com/libarchive/libarchive/master/COPYING
+    * https://raw.githubusercontent.com/libarchive/libarchive/release/COPYING
   * HOMEPAGE:
     * http://www.libarchive.org/
diff --git a/Tools/build-swiftly-release/BuildSwiftlyRelease.swift b/Tools/build-swiftly-release/BuildSwiftlyRelease.swift
index 5ac8aaa2..cdec9040 100644
--- a/Tools/build-swiftly-release/BuildSwiftlyRelease.swift
+++ b/Tools/build-swiftly-release/BuildSwiftlyRelease.swift
@@ -126,7 +126,7 @@ public func getShell() async throws -> String {
 }
 #endif
 
-public func isAmazonLinux2() -> Bool {
+public func isRHEL9() -> Bool {
     let osReleaseFiles = ["/etc/os-release", "/usr/lib/os-release"]
     var releaseFile: String?
     for file in osReleaseFiles {
@@ -165,7 +165,7 @@ public func isAmazonLinux2() -> Bool {
         return false
     }
 
-    guard let versionID = versionID, versionID == "2", (id + idlike).contains("amzn") else {
+    guard let versionID, versionID.hasPrefix("9"), (id + idlike).contains("rhel") else {
         return false
     }
 
@@ -287,7 +287,7 @@ struct BuildSwiftlyRelease: AsyncParsableCommand {
 
     func buildLinuxRelease() async throws {
         // Check system requirements
-        guard isAmazonLinux2() else {
+        guard isRHEL9() else {
             // TODO: see if docker can be used to spawn an Amazon Linux 2 container to continue the release building process
             throw Error(message: "Linux releases must be made from Amazon Linux 2 because it has the oldest version of glibc for maximum compatibility with other versions of Linux")
         }
diff --git a/docker/docker-compose.1804.yaml b/docker/docker-compose.1804.yaml
deleted file mode 100644
index da34363d..00000000
--- a/docker/docker-compose.1804.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:18.04-test
-    build:
-      args:
-        base_image: "swift:5.10-bionic"
-
-  test:
-    image: swiftly:18.04-test
-    environment:
-      - SWIFTLY_PLATFORM_NAME=ubuntu1804
-      - SWIFTLY_PLATFORM_NAME_FULL=ubuntu18.04
-      - SWIFTLY_PLATFORM_NAME_PRETTY="Ubuntu 18.04"
-
-  install-test-setup:
-    image: swiftly:18.04-install-test
-    build:
-      args:
-        base_image: "ubuntu:bionic"
-
-  install-test:
-    image: swiftly:18.04-install-test
-
-  shell:
-    image: swiftly:18.04-test
diff --git a/docker/docker-compose.2004.yaml b/docker/docker-compose.2004.yaml
deleted file mode 100644
index a4799ace..00000000
--- a/docker/docker-compose.2004.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:20.04-test
-    build:
-      args:
-        base_image: "swift:5.10-focal"
-
-  test:
-    image: swiftly:20.04-test
-    environment:
-      - SWIFTLY_PLATFORM_NAME=ubuntu2004
-      - SWIFTLY_PLATFORM_NAME_FULL=ubuntu20.04
-      - SWIFTLY_PLATFORM_NAME_PRETTY="Ubuntu 20.04"
-
-  install-test-setup:
-    image: swiftly:20.04-install-test
-    build:
-      args:
-        base_image: "ubuntu:focal"
-
-  install-test:
-    image: swiftly:20.04-install-test
-
-  shell:
-    image: swiftly:20.04-test
diff --git a/docker/docker-compose.2204.yaml b/docker/docker-compose.2204.yaml
deleted file mode 100644
index 824721cd..00000000
--- a/docker/docker-compose.2204.yaml
+++ /dev/null
@@ -1,28 +0,0 @@
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:22.04-test
-    build:
-      args:
-        base_image: "swift:5.10-jammy"
-
-  test:
-    image: swiftly:22.04-test
-    environment:
-      - SWIFTLY_PLATFORM_NAME=ubuntu2204
-      - SWIFTLY_PLATFORM_NAME_FULL=ubuntu22.04
-      - SWIFTLY_PLATFORM_NAME_PRETTY="Ubuntu 22.04"
-
-  install-test-setup:
-    image: swiftly:22.04-install-test
-    build:
-      args:
-        base_image: "ubuntu:jammy"
-
-  install-test:
-    image: swiftly:22.04-install-test
-
-  shell:
-    image: swiftly:22.04-test
diff --git a/docker/docker-compose.amazonlinux2.yaml b/docker/docker-compose.amazonlinux2.yaml
deleted file mode 100644
index 4874d2af..00000000
--- a/docker/docker-compose.amazonlinux2.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:amazonlinux2-test
-    build:
-      context: ..
-      dockerfile: docker/test-amazonlinux2.dockerfile
-      args:
-        base_image: "swift:5.10-amazonlinux2"
-
-  test:
-    image: swiftly:amazonlinux2-test
-    environment:
-      - SWIFTLY_PLATFORM_NAME=amazonlinux2
-      - SWIFTLY_PLATFORM_NAME_FULL=amazonlinux2
-      - SWIFTLY_PLATFORM_NAME_PRETTY="Amazon Linux 2"
-
-  install-test-setup:
-    image: swiftly:amazonlinux2-install-test
-    build:
-      context: ..
-      dockerfile: docker/install-test-amazonlinux2.dockerfile
-      args:
-        base_image: "amazonlinux:2"
-
-  install-test:
-    image: swiftly:amazonlinux2-install-test
-
-  shell:
-    image: swiftly:amazonlinux2-test
diff --git a/docker/docker-compose.ubi9.yaml b/docker/docker-compose.ubi9.yaml
deleted file mode 100644
index 36c85c5d..00000000
--- a/docker/docker-compose.ubi9.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:ubi9-test
-    build:
-      context: ..
-      dockerfile: docker/test-ubi9.dockerfile
-      args:
-        base_image: "swift:5.10-rhel-ubi9"
-
-  test:
-    image: swiftly:ubi9-test
-    environment:
-      - SWIFTLY_PLATFORM_NAME=ubi9
-      - SWIFTLY_PLATFORM_NAME_FULL=ubi9
-      - SWIFTLY_PLATFORM_NAME_PRETTY="Red Hat Enterprise Linux 9"
-
-  install-test-setup:
-    image: swiftly:ubi9-install-test
-    build:
-      context: ..
-      dockerfile: docker/install-test-ubi9.dockerfile
-      args:
-        base_image: "redhat/ubi9:latest"
-
-  install-test:
-    image: swiftly:ubi9-install-test
-
-  shell:
-    image: swiftly:ubi9-test
diff --git a/docker/docker-compose.yaml b/docker/docker-compose.yaml
deleted file mode 100644
index 238e6ec8..00000000
--- a/docker/docker-compose.yaml
+++ /dev/null
@@ -1,63 +0,0 @@
-# this file is not designed to be run directly
-# instead, use the docker-compose.<os>.yaml files
-# eg docker-compose -f docker/docker-compose.yaml -f docker/docker-compose.1804.yaml run test
-version: "3"
-
-services:
-
-  test-setup:
-    image: swiftly:default
-    build:
-      context: ..
-      dockerfile: docker/test.dockerfile
-
-  common: &common
-    image: swiftly:default
-    volumes:
-      - ~/.ssh:/root/.ssh
-      - ..:/code:z
-    working_dir: /code
-    cap_drop:
-      - CAP_NET_RAW
-      - CAP_NET_BIND_SERVICE
-
-  lint:
-    <<: *common
-    image: swiftly:lint
-    build:
-      context: ..
-      dockerfile: docker/lint.dockerfile
-    command: /usr/bin/env bash -xcl "./scripts/check-lint.sh"
-
-  test:
-    <<: *common
-    depends_on: [test-setup]
-    command: /usr/bin/env bash -xcl "./scripts/run-tests.sh"
-
-  install-test-setup:
-    image: swiftly:install-default
-    build:
-      context: ..
-      dockerfile: docker/install-test.dockerfile
-
-  install-test-common: &install-test-common
-    image: swiftly:install-default
-    depends_on: [install-test-setup]
-    volumes:
-      - ~/.ssh:/root/.ssh
-      - ../install:/swiftly-install:z
-    working_dir: /swiftly-install
-    cap_drop:
-      - CAP_NET_RAW
-      - CAP_NET_BIND_SERVICE
-
-  install-test:
-    <<: *install-test-common
-    command: /usr/bin/env bash -xcl "./run-tests.sh"
-
-  # util
-
-  shell:
-    <<: *common
-    depends_on: [test-setup]
-    entrypoint: /usr/bin/env bash
diff --git a/docker/install-test-amazonlinux2.dockerfile b/docker/install-test-amazonlinux2.dockerfile
deleted file mode 100644
index dbab2406..00000000
--- a/docker/install-test-amazonlinux2.dockerfile
+++ /dev/null
@@ -1,5 +0,0 @@
-ARG base_image=amazonlinux:2
-FROM $base_image
-
-RUN yum install -y curl util-linux gpg
-RUN echo 'export PATH="$HOME/.local/bin:$PATH"' >> $HOME/.profile
diff --git a/docker/install-test-ubi9.dockerfile b/docker/install-test-ubi9.dockerfile
deleted file mode 100644
index 9adea57c..00000000
--- a/docker/install-test-ubi9.dockerfile
+++ /dev/null
@@ -1,5 +0,0 @@
-ARG base_image=redhat/ubi9:latest
-FROM $base_image
-
-RUN yum install --allowerasing -y curl gcc-c++ gpg
-RUN echo 'export PATH="$HOME/.local/bin:$PATH"' >> $HOME/.profile
diff --git a/docker/install-test.dockerfile b/docker/install-test.dockerfile
deleted file mode 100644
index d1232df1..00000000
--- a/docker/install-test.dockerfile
+++ /dev/null
@@ -1,12 +0,0 @@
-ARG base_image=ubuntu:jammy
-FROM $base_image
-
-# set as UTF-8
-RUN apt-get update && apt-get install -y locales locales-all sqlite3
-ENV LC_ALL en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
-
-# dependencies
-RUN apt-get update --fix-missing && apt-get install -y curl gpg
-RUN echo 'export PATH="$HOME/.local/bin:$PATH"' >> $HOME/.profile
diff --git a/docker/lint.dockerfile b/docker/lint.dockerfile
deleted file mode 100644
index 239ae71e..00000000
--- a/docker/lint.dockerfile
+++ /dev/null
@@ -1,7 +0,0 @@
-FROM swift:jammy
-
-# set as UTF-8
-RUN apt-get update && apt-get install -y locales locales-all
-ENV LC_ALL en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
diff --git a/docker/test-amazonlinux2.dockerfile b/docker/test-amazonlinux2.dockerfile
deleted file mode 100644
index f5091034..00000000
--- a/docker/test-amazonlinux2.dockerfile
+++ /dev/null
@@ -1,17 +0,0 @@
-ARG base_image=swift:5.10-amazonlinux2
-FROM $base_image
-# needed to do again after FROM due to docker limitation
-ARG swift_version
-ARG ubuntu_version
-
-# dependencies
-RUN yum install -y \
-    curl \
-    gcc \
-    gcc-c++ \
-    make \
-    gpg
-COPY ./scripts/install-libarchive.sh /
-RUN /install-libarchive.sh
-
-RUN curl -L https://swift.org/keys/all-keys.asc | gpg --import
diff --git a/docker/test-ubi9.dockerfile b/docker/test-ubi9.dockerfile
deleted file mode 100644
index 110efd6a..00000000
--- a/docker/test-ubi9.dockerfile
+++ /dev/null
@@ -1,17 +0,0 @@
-ARG base_image=swift:5.10-rhel-ubi9
-FROM $base_image
-# needed to do again after FROM due to docker limitation
-ARG swift_version
-ARG ubuntu_version
-
-# dependencies
-RUN yum install -y --allowerasing \
-    curl \
-    gcc \
-    gcc-c++ \
-    make \
-    gpg
-COPY ./scripts/install-libarchive.sh /
-RUN /install-libarchive.sh
-
-RUN curl -L https://swift.org/keys/all-keys.asc | gpg --import
diff --git a/docker/test.dockerfile b/docker/test.dockerfile
deleted file mode 100644
index a5e7acb7..00000000
--- a/docker/test.dockerfile
+++ /dev/null
@@ -1,20 +0,0 @@
-ARG swift_version=5.10
-ARG ubuntu_version=jammy
-ARG base_image=swift:$swift_version-$ubuntu_version
-FROM $base_image
-# needed to do again after FROM due to docker limitation
-ARG swift_version
-ARG ubuntu_version
-
-# set as UTF-8
-RUN apt-get update && apt-get install -y locales locales-all
-ENV LC_ALL en_US.UTF-8
-ENV LANG en_US.UTF-8
-ENV LANGUAGE en_US.UTF-8
-
-# dependencies
-RUN apt-get update --fix-missing && apt-get install -y curl build-essential gpg
-COPY ./scripts/install-libarchive.sh /
-RUN /install-libarchive.sh
-
-RUN curl -L https://swift.org/keys/all-keys.asc | gpg --import