diff --git a/.github/workflows/test-pr-arm64.yaml b/.github/workflows/test-pr-arm64.yaml
new file mode 100644
index 000000000..d82ec3409
--- /dev/null
+++ b/.github/workflows/test-pr-arm64.yaml
@@ -0,0 +1,67 @@
+name: "PR - Test Updated Features (arm64)"
+on:
+  pull_request:
+    # NOTE: To extend this workflow to other features, add path entries below
+    # following the same pattern, e.g.:
+    #   - "src/<feature-name>/**"
+    #   - "test/<feature-name>/**"
+    paths:
+      - "src/powershell/**"
+      - "test/powershell/**"
+
+jobs:
+  detect-changes:
+    runs-on: ubuntu-latest
+    outputs:
+      features: ${{ steps.filter.outputs.changes }}
+    steps:
+      - uses: dorny/paths-filter@v3
+        id: filter
+        with:
+          # NOTE: To extend this workflow to other features, add filter entries below
+          # following the same pattern, e.g.:
+          #   <feature-name>: ./**/<feature-name>/**
+          filters: |
+            powershell: ./**/powershell/**
+
+  test:
+    needs: [detect-changes]
+    runs-on: ubuntu-24.04-arm
+    continue-on-error: true
+    strategy:
+      matrix:
+        features: ${{ fromJSON(needs.detect-changes.outputs.features) }}
+        baseImage:
+          [
+            "ubuntu:focal",
+            "ubuntu:jammy",
+            "debian:11",
+            "debian:12",
+            "mcr.microsoft.com/devcontainers/base:ubuntu",
+            "mcr.microsoft.com/devcontainers/base:debian",
+            "mcr.microsoft.com/devcontainers/base:noble"
+          ]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install latest devcontainer CLI"
+        run: npm install -g @devcontainers/cli
+
+      - name: "Generating tests for '${{ matrix.features }}' against '${{ matrix.baseImage }}'"
+        run: devcontainer features test  --skip-scenarios -f ${{ matrix.features }} -i ${{ matrix.baseImage }} .
+
+  test-scenarios:
+    needs: [detect-changes]
+    runs-on: ubuntu-24.04-arm
+    continue-on-error: true
+    strategy:
+      matrix:
+        features: ${{ fromJSON(needs.detect-changes.outputs.features) }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: "Install latest devcontainer CLI"
+        run: npm install -g @devcontainers/cli
+
+      - name: "Testing '${{ matrix.features }}' scenarios"
+        run: devcontainer features test -f ${{ matrix.features }} --skip-autogenerated  .
diff --git a/src/conda/devcontainer-feature.json b/src/conda/devcontainer-feature.json
index 163696a20..cd590f9b7 100644
--- a/src/conda/devcontainer-feature.json
+++ b/src/conda/devcontainer-feature.json
@@ -1,43 +1,43 @@
 {
-    "id": "conda",
-    "version": "1.0.10",
-    "name": "Conda",
-    "description": "A cross-platform, language-agnostic binary package manager",
-    "documentationURL": "https://github.com/devcontainers/features/tree/main/src/conda",
-    "options": {
-        "version": {
-            "type": "string",
-            "proposals": [
-                "latest",
-                "4.11.0",
-                "4.12.0"
-            ],
-            "default": "latest",
-            "description": "Select or enter a conda version."
-        },
-        "addCondaForge": {
-            "type": "boolean",
-            "default": false,
-            "description": "Add conda-forge channel to the config?"
-        }
+  "id": "conda",
+  "version": "1.2.5",
+  "name": "Conda",
+  "description": "A cross-platform, language-agnostic binary package manager",
+  "documentationURL": "https://github.com/devcontainers/features/tree/main/src/conda",
+  "options": {
+    "version": {
+      "type": "string",
+      "proposals": [
+        "latest",
+        "4.11.0",
+        "4.12.0"
+      ],
+      "default": "latest",
+      "description": "Select or enter a conda version."
     },
-    "containerEnv": {
-        "CONDA_DIR": "/opt/conda",
-        "CONDA_SCRIPT":"/opt/conda/etc/profile.d/conda.sh",
-        "PATH": "/opt/conda/bin:${PATH}"
-    },
-    "customizations": {
-        "vscode": {
-            "settings": {
-                "github.copilot.chat.codeGeneration.instructions": [
-                    {
-                        "text": "This dev container includes the conda package manager pre-installed and available on the `PATH` for data science and Python development. Additional packages installed using Conda will be downloaded from Anaconda or another repository configured by the user. A user can install different versions of Python than the one in this dev container by running a command like: conda install python=3.7"
-                    }
-                ]
-            }
-        }
-    },
-    "installsAfter": [
-        "ghcr.io/devcontainers/features/common-utils"
-    ]
+    "addCondaForge": {
+      "type": "boolean",
+      "default": false,
+      "description": "Add conda-forge channel to the config?"
+    }
+  },
+  "containerEnv": {
+    "CONDA_DIR": "/opt/conda",
+    "CONDA_SCRIPT": "/opt/conda/etc/profile.d/conda.sh",
+    "PATH": "/opt/conda/bin:${PATH}"
+  },
+  "customizations": {
+    "vscode": {
+      "settings": {
+        "github.copilot.chat.codeGeneration.instructions": [
+          {
+            "text": "This dev container includes the conda package manager pre-installed and available on the `PATH` for data science and Python development. Additional packages installed using Conda will be downloaded from Anaconda or another repository configured by the user. A user can install different versions of Python than the one in this dev container by running a command like: conda install python=3.7"
+          }
+        ]
+      }
+    }
+  },
+  "installsAfter": [
+    "ghcr.io/devcontainers/features/common-utils"
+  ]
 }
diff --git a/src/conda/install.sh b/src/conda/install.sh
index 43ab82f54..73925dd5d 100644
--- a/src/conda/install.sh
+++ b/src/conda/install.sh
@@ -83,20 +83,78 @@ if ! conda --version &> /dev/null ; then
     usermod -a -G conda "${USERNAME}"
 
     # Install dependencies
-    check_packages curl ca-certificates gnupg2
+    check_packages curl ca-certificates
 
     echo "Installing Conda..."
 
-    curl -sS https://repo.anaconda.com/pkgs/misc/gpgkeys/anaconda.asc | gpg --dearmor > /usr/share/keyrings/conda-archive-keyring.gpg
-    echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/conda-archive-keyring.gpg] https://repo.anaconda.com/pkgs/misc/debrepo/conda stable main" > /etc/apt/sources.list.d/conda.list
-    apt-get update -y
-
-    CONDA_PKG="conda=${VERSION}-0"
+    # Download .deb package directly from repository (bypassing SHA1 signature issue)
+    TEMP_DEB="$(mktemp -t conda_XXXXXX.deb)"
+    CONDA_REPO_BASE="https://repo.anaconda.com/pkgs/misc/debrepo/conda"
+    
+    # Determine package filename based on requested version
+    ARCH="$(dpkg --print-architecture 2>/dev/null || echo "amd64")"
+    PACKAGES_URL="https://repo.anaconda.com/pkgs/misc/debrepo/conda/dists/stable/main/binary-${ARCH}/Packages"
+    
     if [ "${VERSION}" = "latest" ]; then
-        CONDA_PKG="conda"
+        # For latest, we need to query the repository to find the current version
+        echo "Fetching package list to determine latest version..."
+        CONDA_PKG_INFO=$(curl -fsSL "${PACKAGES_URL}" | grep -A 30 "^Package: conda$" | head -n 31)
+        CONDA_VERSION=$(echo "${CONDA_PKG_INFO}" | grep "^Version:" | head -n 1 | awk '{print $2}')
+        CONDA_FILENAME=$(echo "${CONDA_PKG_INFO}" | grep "^Filename:" | head -n 1 | awk '{print $2}')
+        
+        if [ -z "${CONDA_VERSION}" ] || [ -z "${CONDA_FILENAME}" ]; then
+            echo "ERROR: Could not determine latest conda version or filename from ${PACKAGES_URL}"
+            echo "This may indicate an unsupported architecture or repository unavailability."
+            rm -f "${TEMP_DEB}"
+            exit 1
+        fi
+        
+        CONDA_PKG_NAME="${CONDA_FILENAME}"
+    else
+        # For specific versions, query the Packages file to find the exact filename
+        echo "Fetching package list to find version ${VERSION}..."
+        # Search for version pattern - user may specify 4.12.0 but package has 4.12.0-0
+        CONDA_PKG_INFO=$(curl -fsSL "${PACKAGES_URL}" | grep -A 30 "^Package: conda$" | grep -B 5 -A 25 "^Version: ${VERSION}")
+        CONDA_FILENAME=$(echo "${CONDA_PKG_INFO}" | grep "^Filename:" | head -n 1 | awk '{print $2}')
+        
+        if [ -z "${CONDA_FILENAME}" ]; then
+            echo "ERROR: Could not find conda version ${VERSION} in ${PACKAGES_URL}"
+            echo "Please verify the version specified is valid."
+            rm -f "${TEMP_DEB}"
+            exit 1
+        fi
+        
+        CONDA_PKG_NAME="${CONDA_FILENAME}"
     fi
-
-    check_packages $CONDA_PKG
+    
+    # Download the .deb package
+    CONDA_DEB_URL="${CONDA_REPO_BASE}/${CONDA_PKG_NAME}"
+    echo "Downloading conda package from ${CONDA_DEB_URL}..."
+    
+    if ! curl -fsSL "${CONDA_DEB_URL}" -o "${TEMP_DEB}"; then
+        echo "ERROR: Failed to download conda .deb package from ${CONDA_DEB_URL}"
+        echo "Please verify the version specified is valid."
+        rm -f "${TEMP_DEB}"
+        exit 1
+    fi
+    
+    # Verify the package was downloaded successfully
+    if [ ! -f "${TEMP_DEB}" ] || [ ! -s "${TEMP_DEB}" ]; then
+        echo "ERROR: Conda .deb package file is missing or empty"
+        rm -f "${TEMP_DEB}"
+        exit 1
+    fi
+    
+    # Install the package using apt (which handles dependencies automatically)
+    echo "Installing conda package..."
+    if ! apt-get install -y "${TEMP_DEB}"; then
+        echo "ERROR: Failed to install conda package"
+        rm -f "${TEMP_DEB}"
+        exit 1
+    fi
+    
+    # Clean up downloaded package
+    rm -f "${TEMP_DEB}"
 
     CONDA_SCRIPT="/opt/conda/etc/profile.d/conda.sh"
     . $CONDA_SCRIPT
diff --git a/src/node/devcontainer-feature.json b/src/node/devcontainer-feature.json
index ce792e43d..c8ceb966f 100644
--- a/src/node/devcontainer-feature.json
+++ b/src/node/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "node",
-    "version": "1.7.0",
+    "version": "1.7.1",
     "name": "Node.js (via nvm), yarn and pnpm.",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/node",
     "description": "Installs Node.js, nvm, yarn, pnpm, and needed dependencies.",
@@ -78,4 +78,4 @@
     "installsAfter": [
         "ghcr.io/devcontainers/features/common-utils"
     ]
-}
\ No newline at end of file
+}
diff --git a/src/node/install.sh b/src/node/install.sh
index 81696d59b..1d89abd0a 100755
--- a/src/node/install.sh
+++ b/src/node/install.sh
@@ -203,15 +203,9 @@ install_yarn() {
         # via apt-get on Debian systems
         if ! type yarn >/dev/null 2>&1; then
             # Import key safely (new method rather than deprecated apt-key approach) and install
-            if [ "${VERSION_CODENAME}" = "trixie" ]; then
-                # Trixie requires fetching the key from keys.openpgp.org
-                mkdir -p /etc/apt/keyrings
-                curl -fsSL "https://keys.openpgp.org/vks/v1/by-fingerprint/72ECF46A56B4AD39C907BBB71646B01B86E50310" | gpg --dearmor --yes -o /etc/apt/keyrings/yarn-archive-keyring.gpg
-                echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/yarn-archive-keyring.gpg] https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list
-            else
-                curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor > /usr/share/keyrings/yarn-archive-keyring.gpg
-                echo "deb [arch=$(dpkg --print-architecture) signed-by=/usr/share/keyrings/yarn-archive-keyring.gpg] https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list
-            fi
+            mkdir -p /etc/apt/keyrings
+            curl -fsSL https://dl.yarnpkg.com/debian/pubkey.gpg | gpg --dearmor --yes -o /etc/apt/keyrings/yarn-archive-keyring.gpg
+            echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/yarn-archive-keyring.gpg] https://dl.yarnpkg.com/debian/ stable main" > /etc/apt/sources.list.d/yarn.list
             apt-get update
             apt-get -y install --no-install-recommends yarn
         else
diff --git a/src/powershell/README.md b/src/powershell/README.md
index 31199a4e1..f09ac1f02 100644
--- a/src/powershell/README.md
+++ b/src/powershell/README.md
@@ -7,7 +7,7 @@ Installs PowerShell along with needed dependencies. Useful for base Dockerfiles
 
 ```json
 "features": {
-    "ghcr.io/devcontainers/features/powershell:1": {}
+    "ghcr.io/devcontainers/features/powershell:2": {}
 }
 ```
 
diff --git a/src/powershell/devcontainer-feature.json b/src/powershell/devcontainer-feature.json
index f4867cc9e..3b500608d 100644
--- a/src/powershell/devcontainer-feature.json
+++ b/src/powershell/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "powershell",
-    "version": "1.5.1",
+    "version": "2.0.1",
     "name": "PowerShell",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/powershell",
     "description": "Installs PowerShell along with needed dependencies. Useful for base Dockerfiles that often are missing required install dependencies like gpg.",
@@ -9,10 +9,12 @@
             "type": "string",
             "proposals": [
                 "latest",
+                "lts",
+                "preview",
+                "stable",
                 "none",
-                "7.4",
-                "7.3",
-                "7.2"
+                "7.5",
+                "7.4"
             ],
             "default": "latest",
             "description": "Select or enter a version of PowerShell."
@@ -20,7 +22,7 @@
         "modules": {
             "type": "string",
             "default": "",
-            "description": "Optional comma separated list of PowerShell modules to install. If you need to install a specific version of a module, use '==' to specify the version (e.g. 'az.resources==2.5.0')"
+            "description": "Optional comma separated list of PowerShell modules to install. If you need to install a specific version of a module, use '==' to specify the version (e.g. 'az.resources==2.5.0')."
         },
         "powershellProfileURL": {
             "type": "string",
diff --git a/src/powershell/install.sh b/src/powershell/install.sh
index 3da7a231b..40308c32e 100755
--- a/src/powershell/install.sh
+++ b/src/powershell/install.sh
@@ -48,6 +48,26 @@ clean_cache() {
         rm -rf /var/cache/dnf/*
     fi
 }
+# Function to resolve PowerShell version from Microsoft redirect URLs
+resolve_powershell_version() {
+    local version_tag="$1"
+    local redirect_url="https://aka.ms/powershell-release?tag=${version_tag}"
+    
+    # Follow the redirect and extract the version from the final URL
+    local resolved_url
+    resolved_url=$(curl -sSL -o /dev/null -w '%{url_effective}' "${redirect_url}")
+    
+    # Extract version from URL (e.g., https://github.com/PowerShell/PowerShell/releases/tag/v7.4.7 -> 7.4.7)
+    local resolved_version
+    resolved_version=$(echo "${resolved_url}" | grep -oP 'v\K[0-9]+\.[0-9]+\.[0-9]+(-\w+\.\d+)?' || echo "")
+    
+    if [ -z "${resolved_version}" ]; then
+        echo "Failed to resolve version for tag: ${version_tag}" >&2
+        return 1
+    fi
+    
+    echo "${resolved_version}"
+}
 # Install dependencies for RHEL/CentOS/AlmaLinux (DNF-based systems)
 install_using_dnf() {
    dnf remove -y curl-minimal
@@ -100,6 +120,58 @@ detect_package_manager() {
     fi
 }
 
+# Function to find the latest preview version from git tags
+find_preview_version_from_git_tags() {
+    local variable_name=$1
+    local requested_version=${!variable_name}
+    local repository_url=$2
+
+    if [ -z "${googlegit_cmd_name}" ]; then
+        if type git > /dev/null 2>&1; then
+            git_cmd_name="git"
+        else
+            echo "Git not found. Cannot determine preview version."
+            return 1
+        fi
+    fi
+
+    # Fetch tags from remote repository
+    local tags
+    tags=$(git ls-remote --tags "${repository_url}" 2>/dev/null | grep -oP 'refs/tags/v\K[0-9]+\.[0-9]+\.[0-9]+-preview\.[0-9]+' | sort -V)
+
+    if [ -z "${tags}" ]; then
+        echo "No preview tags found in repository."
+        return 1
+    fi
+
+    local version=""
+
+    if [ "${requested_version}" = "preview" ] || [ "${requested_version}" = "latest" ]; then
+        # Get the latest preview version
+        version=$(echo "${tags}" | tail -n 1)
+    elif [[ "${requested_version}" =~ ^[0-9]+\.[0-9]+$ ]]; then
+        # Partial version provided (e.g., "7.6"), find latest preview matching that major.minor
+        version=$(echo "${tags}" | grep "^${requested_version}\." | tail -n 1)
+    elif [[ "${requested_version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+-preview$ ]]; then
+        # Version like "7.6.0-preview" provided, find latest preview for that version
+        local base_version="${requested_version%-preview}"
+        version=$(echo "${tags}" | grep "^${base_version}-preview\." | tail -n 1)
+    elif [[ "${requested_version}" =~ ^[0-9]+\.[0-9]+\.[0-9]+-preview\.[0-9]+$ ]]; then
+        # Exact preview version provided, verify it exists
+        if echo "${tags}" | grep -q "^${requested_version}$"; then
+            version="${requested_version}"
+        fi
+    fi
+
+    if [ -z "${version}" ]; then
+        echo "Could not find matching preview version for: ${requested_version}"
+        return 1
+    fi
+
+    declare -g "${variable_name}=${version}"
+    echo "${variable_name}=${version}"
+}
+
 # Figure out correct version of a three part version number is not passed
 find_version_from_git_tags() {
     local variable_name=$1
@@ -159,7 +231,8 @@ apt_get_update()
     for package in "$@"; do
         if ! dnf list installed "$package" > /dev/null 2>&1; then
             echo "Package $package not installed. Installing using dnf..."
-            dnf install -y "$package"
+            # Use --allowerasing to handle conflicts like curl-minimal vs curl
+            dnf install -y --allowerasing "$package"
         else
             echo "Package $package is already installed (DNF)."
         fi
@@ -292,26 +365,39 @@ install_pwsh() {
 
 install_using_github() {
     # Fall back on direct download if no apt package exists in microsoft pool
-    check_packages curl ca-certificates gnupg2 dirmngr libc6 libgcc1 libgssapi-krb5-2 libstdc++6 libunwind8 libuuid1 zlib1g libicu[0-9][0-9]
+    if command -v apt-get > /dev/null 2>&1; then
+        # Debian/Ubuntu dependencies
+        check_packages curl ca-certificates gnupg2 dirmngr libc6 libgcc1 libgssapi-krb5-2 libstdc++6 libunwind8 libuuid1 zlib1g libicu[0-9][0-9] wget
+    elif command -v dnf > /dev/null 2>&1; then
+        # AlmaLinux/RHEL dependencies
+        check_packages curl ca-certificates gnupg2 glibc libgcc krb5-libs libstdc++ libuuid zlib libicu wget tar
+    fi
     if ! type git > /dev/null 2>&1; then
         check_packages git
     fi
-
-     if [ "${architecture}" = "amd64" ]; then
+    if [ "${architecture}" = "amd64" ] || [ "${architecture}" = "x86_64" ]; then
         architecture="x64"
+    elif [ "${architecture}" = "aarch64" ]; then
+        architecture="arm64"
     fi
     pwsh_url="https://github.com/PowerShell/PowerShell"
-    find_version_from_git_tags POWERSHELL_VERSION $pwsh_url
+    # Check if we need to find a preview version or stable version
+    if [[ "${POWERSHELL_VERSION}" == *"preview"* ]] || [ "${POWERSHELL_VERSION}" = "preview" ]; then
+        echo "Finding preview version..."
+        find_preview_version_from_git_tags POWERSHELL_VERSION "${pwsh_url}"
+    else
+        find_version_from_git_tags POWERSHELL_VERSION "${pwsh_url}"
+    fi
+
     install_pwsh "${POWERSHELL_VERSION}"
     if grep -q "Not Found" "${powershell_filename}"; then 
         install_prev_pwsh $pwsh_url
     fi
     
-    # downlaod the latest version of powershell and extracting the file to powershell directory
+    # download the latest version of powershell and extracting the file to powershell directory
     wget https://github.com/PowerShell/PowerShell/releases/download/v${POWERSHELL_VERSION}/${powershell_filename}
     mkdir ~/powershell
-    tar -xvf powershell-${POWERSHELL_VERSION}-linux-x64.tar.gz -C ~/powershell
-
+    tar -xvf ${powershell_filename} -C ~/powershell
 
     powershell_archive_sha256="$(cat release.html | tr '\n' ' ' | sed 's|<[^>]*>||g' | grep -oP "${powershell_filename}\s+\K[0-9a-fA-F]{64}" || echo '')"
     if [ -z "${powershell_archive_sha256}" ]; then
@@ -323,13 +409,33 @@ install_using_github() {
     tar xf "${powershell_filename}" -C "${powershell_target_path}"
     chmod 755 "${powershell_target_path}/pwsh"
     ln -sf "${powershell_target_path}/pwsh" /usr/bin/pwsh
-    add-shell "/usr/bin/pwsh"
+    # Add pwsh to /etc/shells
+    if command -v add-shell > /dev/null 2>&1; then
+        # Debian/Ubuntu - use add-shell
+        add-shell "/usr/bin/pwsh"
+    else
+        # AlmaLinux/RHEL - manually add to /etc/shells - add-shell is not available in almalinux repos and manual approach is simpler than adding a dependency just for this
+        if ! grep -q "/usr/bin/pwsh" /etc/shells; then
+            echo "/usr/bin/pwsh" >> /etc/shells
+        fi
+    fi
     cd /tmp
     rm -rf /tmp/pwsh
 }
 
 if ! type pwsh >/dev/null 2>&1; then
     export DEBIAN_FRONTEND=noninteractive
+    if [ "${POWERSHELL_VERSION}" = "lts" ] || [ "${POWERSHELL_VERSION}" = "stable" ] || [ "${POWERSHELL_VERSION}" = "preview" ]; then
+        echo "Resolving PowerShell '${POWERSHELL_VERSION}' version from Microsoft..."
+        resolved_version=$(resolve_powershell_version "${POWERSHELL_VERSION}")
+        if [ -n "${resolved_version}" ]; then
+            echo "Resolved '${POWERSHELL_VERSION}' to version: ${resolved_version}"
+            POWERSHELL_VERSION="${resolved_version}"
+        else
+            echo "Warning: Could not resolve '${POWERSHELL_VERSION}' version. Falling back to 'latest'."
+            POWERSHELL_VERSION="latest"
+        fi
+    fi    
     
     # Source /etc/os-release to get OS info
     . /etc/os-release
@@ -340,11 +446,10 @@ if ! type pwsh >/dev/null 2>&1; then
         POWERSHELL_ARCHIVE_ARCHITECTURES="${POWERSHELL_ARCHIVE_ARCHITECTURES_ALMALINUX}"
     fi
 
-    if [[ "${POWERSHELL_ARCHIVE_ARCHITECTURES}" = *"${POWERSHELL_ARCHIVE_ARCHITECTURES_UBUNTU}"* ]] && [[  "${POWERSHELL_ARCHIVE_VERSION_CODENAMES}" = *"${VERSION_CODENAME}"* ]]; then
+    if [[ "${POWERSHELL_ARCHIVE_ARCHITECTURES}" = *"${POWERSHELL_ARCHIVE_ARCHITECTURES_UBUNTU}"* ]] && [[  "${POWERSHELL_ARCHIVE_VERSION_CODENAMES}" = *"${VERSION_CODENAME}"* ]] && [[ "${POWERSHELL_VERSION}" != *"preview"* ]]; then
         install_using_apt || use_github="true"
-    elif [[ "${POWERSHELL_ARCHIVE_ARCHITECTURES}" = *"${POWERSHELL_ARCHIVE_ARCHITECTURES_ALMALINUX}"* ]]; then 
+    elif [[ "${POWERSHELL_ARCHIVE_ARCHITECTURES}" = *"${POWERSHELL_ARCHIVE_ARCHITECTURES_ALMALINUX}"* ]] && [[ "${POWERSHELL_VERSION}" != *"preview"* ]]; then 
         install_using_dnf && install_powershell_dnf || use_github="true"
-    
     else 
        use_github="true"
     fi
diff --git a/test/powershell/install_modules.sh b/test/powershell/install_modules.sh
index 1415af2c1..27872a479 100644
--- a/test/powershell/install_modules.sh
+++ b/test/powershell/install_modules.sh
@@ -5,6 +5,9 @@ set -e
 # Import test library for `check` command
 source dev-container-features-test-lib
 
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is LTS (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+
 # Extension-specific tests
 check "az.resources" pwsh -Command "(Get-Module -ListAvailable -Name Az.Resources).Version.ToString()"
 check "az.storage" pwsh -Command "(Get-Module -ListAvailable -Name Az.Storage).Version.ToString()"
diff --git a/test/powershell/install_powershell_fallback_test.sh b/test/powershell/install_powershell_fallback_test.sh
index 169863c7b..b12e39b6e 100644
--- a/test/powershell/install_powershell_fallback_test.sh
+++ b/test/powershell/install_powershell_fallback_test.sh
@@ -148,8 +148,10 @@ install_pwsh() {
 
 install_using_github() {
     mode=$1
-    if [ "${architecture}" = "amd64" ]; then
+    if [ "${architecture}" = "amd64" ] || [ "${architecture}" = "x86_64" ]; then
         architecture="x64"
+    elif [ "${architecture}" = "aarch64" ]; then
+        architecture="arm64"
     fi
     pwsh_url="https://github.com/PowerShell/PowerShell"
     POWERSHELL_VERSION="7.4.xyz"
diff --git a/test/powershell/powershell_lts_version_almalinux.sh b/test/powershell/powershell_lts_version_almalinux.sh
new file mode 100755
index 000000000..a37598913
--- /dev/null
+++ b/test/powershell/powershell_lts_version_almalinux.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test LTS version installation on AlmaLinux
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is LTS (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_lts_version_debian.sh b/test/powershell/powershell_lts_version_debian.sh
new file mode 100755
index 000000000..c216c478b
--- /dev/null
+++ b/test/powershell/powershell_lts_version_debian.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test LTS version installation on Debian
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is LTS (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_preview_version.sh b/test/powershell/powershell_preview_version.sh
new file mode 100755
index 000000000..7e49ded9e
--- /dev/null
+++ b/test/powershell/powershell_preview_version.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test preview version installation
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is preview" bash -c "pwsh --version | grep -i 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_preview_version_almalinux.sh b/test/powershell/powershell_preview_version_almalinux.sh
new file mode 100755
index 000000000..3a8128209
--- /dev/null
+++ b/test/powershell/powershell_preview_version_almalinux.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test preview version installation on AlmaLinux
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is preview" bash -c "pwsh --version | grep -i 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_preview_version_debian.sh b/test/powershell/powershell_preview_version_debian.sh
new file mode 100755
index 000000000..316017cf7
--- /dev/null
+++ b/test/powershell/powershell_preview_version_debian.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test preview version installation on Debian
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is preview" bash -c "pwsh --version | grep -i 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_stable_version.sh b/test/powershell/powershell_stable_version.sh
new file mode 100755
index 000000000..b82439ff8
--- /dev/null
+++ b/test/powershell/powershell_stable_version.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test stable version installation
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is stable (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_stable_version_almalinux.sh b/test/powershell/powershell_stable_version_almalinux.sh
new file mode 100755
index 000000000..7695995f5
--- /dev/null
+++ b/test/powershell/powershell_stable_version_almalinux.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test stable version installation on AlmaLinux
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is stable (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/powershell_stable_version_debian.sh b/test/powershell/powershell_stable_version_debian.sh
new file mode 100755
index 000000000..45a14c90f
--- /dev/null
+++ b/test/powershell/powershell_stable_version_debian.sh
@@ -0,0 +1,14 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Test stable version installation on Debian
+check "pwsh is installed" bash -c "command -v pwsh"
+check "pwsh version is stable (not preview)" bash -c "pwsh --version | grep -v 'preview'"
+check "pwsh can execute basic command" bash -c "pwsh -Command 'Write-Output Hello'"
+
+# Report result
+reportResults
diff --git a/test/powershell/scenarios.json b/test/powershell/scenarios.json
index 781ebaf86..3e9b3acd3 100644
--- a/test/powershell/scenarios.json
+++ b/test/powershell/scenarios.json
@@ -3,6 +3,7 @@
     "image": "mcr.microsoft.com/devcontainers/base:noble",
     "features": {
       "powershell": {
+        "version": "lts",
         "modules": "az.resources, az.storage",
         "powershellProfileURL": "https://raw.githubusercontent.com/codspace/powershell-profile/main/Test-Profile.ps1"
       }
@@ -31,10 +32,88 @@
       "powershell": {}
     }
   },
+  "validate_powershell_installation_spec": {
+    "image": "mcr.microsoft.com/devcontainers/base:noble",
+    "features": {
+      "powershell": {
+        "version": "7.5"
+      }
+    }
+  },
+  "validate_powershell_installation_debian": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian",
+    "features": {
+      "powershell": {}
+    }
+  },  
   "powershell_alma_linux": {
     "image": "almalinux:9",
     "features": {
       "powershell": {} 
     }
+  },
+  "powershell_stable_version": {
+    "image": "mcr.microsoft.com/devcontainers/base:noble",
+    "features": {
+      "powershell": {
+        "version": "stable"
+      }
+    }
+  },
+  "powershell_preview_version": {
+    "image": "mcr.microsoft.com/devcontainers/base:noble",
+    "features": {
+      "powershell": {
+        "version": "preview"
+      }
+    }
+  },
+  "powershell_stable_version_debian": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian",
+    "features": {
+      "powershell": {
+        "version": "stable"
+      }
+    }
+  },
+  "powershell_lts_version_debian": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian",
+    "features": {
+      "powershell": {
+        "version": "lts"
+      }
+    }
+  },
+  "powershell_preview_version_debian": {
+    "image": "mcr.microsoft.com/devcontainers/base:debian",
+    "features": {
+      "powershell": {
+        "version": "preview"
+      }
+    }
+  },
+  "powershell_lts_version_almalinux": {
+    "image": "almalinux:9",
+    "features": {
+      "powershell": {
+        "version": "lts"
+      }
+    }
+  },
+  "powershell_stable_version_almalinux": {
+    "image": "almalinux:9",
+    "features": {
+      "powershell": {
+        "version": "stable"
+      }
+    }
+  },
+  "powershell_preview_version_almalinux": {
+    "image": "almalinux:9",
+    "features": {
+      "powershell": {
+        "version": "preview"
+      }
+    }
   }
 }
diff --git a/test/powershell/validate_powershell_installation_debian.sh b/test/powershell/validate_powershell_installation_debian.sh
new file mode 100644
index 000000000..20b930d26
--- /dev/null
+++ b/test/powershell/validate_powershell_installation_debian.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Extension-specific tests
+check "pwsh file is symlink" bash -c "[ -L /usr/bin/pwsh ]"
+check "pwsh symlink is registered as shell" bash -c "[ $(grep -c '/usr/bin/pwsh' /etc/shells) -eq 1 ]"
+check "pwsh target is correct" bash -c "[ $(readlink /usr/bin/pwsh) = /opt/microsoft/powershell/7/pwsh ]"
+check "pwsh target is registered as shell" bash -c "[ $(grep -c '/opt/microsoft/powershell/7/pwsh' /etc/shells) -eq 1 ]"
+check "pwsh owner is root" bash -c "[ $(stat -c %U /opt/microsoft/powershell/7/pwsh) = root ]"
+check "pwsh group is root" bash -c "[ $(stat -c %G /opt/microsoft/powershell/7/pwsh) = root ]"
+check "pwsh file mode is -rwxr-xr-x" bash -c "[ $(stat -c '%A' /opt/microsoft/powershell/7/pwsh) = '-rwxr-xr-x' ]"
+check "pwsh is in PATH" bash -c "command -v pwsh"
+
+# Report result
+reportResults
+
diff --git a/test/powershell/validate_powershell_installation_spec.sh b/test/powershell/validate_powershell_installation_spec.sh
new file mode 100644
index 000000000..20b930d26
--- /dev/null
+++ b/test/powershell/validate_powershell_installation_spec.sh
@@ -0,0 +1,20 @@
+#!/bin/bash
+
+set -e
+
+# Import test library for `check` command
+source dev-container-features-test-lib
+
+# Extension-specific tests
+check "pwsh file is symlink" bash -c "[ -L /usr/bin/pwsh ]"
+check "pwsh symlink is registered as shell" bash -c "[ $(grep -c '/usr/bin/pwsh' /etc/shells) -eq 1 ]"
+check "pwsh target is correct" bash -c "[ $(readlink /usr/bin/pwsh) = /opt/microsoft/powershell/7/pwsh ]"
+check "pwsh target is registered as shell" bash -c "[ $(grep -c '/opt/microsoft/powershell/7/pwsh' /etc/shells) -eq 1 ]"
+check "pwsh owner is root" bash -c "[ $(stat -c %U /opt/microsoft/powershell/7/pwsh) = root ]"
+check "pwsh group is root" bash -c "[ $(stat -c %G /opt/microsoft/powershell/7/pwsh) = root ]"
+check "pwsh file mode is -rwxr-xr-x" bash -c "[ $(stat -c '%A' /opt/microsoft/powershell/7/pwsh) = '-rwxr-xr-x' ]"
+check "pwsh is in PATH" bash -c "command -v pwsh"
+
+# Report result
+reportResults
+