diff --git a/src/common-utils/devcontainer-feature.json b/src/common-utils/devcontainer-feature.json
index 329f8dec8..44f9b32b4 100644
--- a/src/common-utils/devcontainer-feature.json
+++ b/src/common-utils/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "common-utils",
-    "version": "2.3.1",
+    "version": "2.4.1",
     "name": "Common Utilities",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/common-utils",
     "description": "Installs a set of common command line utilities, Oh My Zsh!, and sets up a non-root user.",
@@ -66,4 +66,4 @@
             "description": "Add packages from non-free Debian repository? (Debian only)"
         }
     }
-}
+}
\ No newline at end of file
diff --git a/src/common-utils/main.sh b/src/common-utils/main.sh
index 2e0231de1..376dde623 100644
--- a/src/common-utils/main.sh
+++ b/src/common-utils/main.sh
@@ -48,6 +48,7 @@ install_debian_packages() {
         ca-certificates \
         unzip \
         bzip2 \
+        xz-utils \
         zip \
         nano \
         vim-tiny \
@@ -154,9 +155,12 @@ install_debian_packages() {
 install_redhat_packages() {
     local package_list=""
     local remove_epel="false"
-    local install_cmd=dnf
-    if ! type dnf > /dev/null 2>&1; then
-        install_cmd=yum
+    local install_cmd=microdnf
+    if ! type microdnf > /dev/null 2>&1; then
+        install_cmd=dnf
+        if ! type dnf > /dev/null 2>&1; then
+            install_cmd=yum
+        fi
     fi
 
     if [ "${PACKAGES_ALREADY_INSTALLED}" != "true" ]; then
@@ -173,6 +177,7 @@ install_redhat_packages() {
             ca-certificates \
             rsync \
             unzip \
+            xz \
             zip \
             nano \
             vim-minimal \
@@ -256,6 +261,7 @@ install_alpine_packages() {
             rsync \
             ca-certificates \
             unzip \
+            xz \
             zip \
             nano \
             vim \
@@ -265,7 +271,6 @@ install_alpine_packages() {
             libstdc++ \
             krb5-libs \
             libintl \
-            libssl1.1 \
             lttng-ust \
             tzdata \
             userspace-rcu \
@@ -279,6 +284,12 @@ install_alpine_packages() {
             shadow \
             strace
 
+        # # Include libssl1.1 if available (not available for 3.19 and newer)
+        LIBSSL1_PKG=libssl1.1
+        if [[ $(apk search --no-cache -a $LIBSSL1_PKG | grep $LIBSSL1_PKG) ]]; then
+            apk add --no-cache $LIBSSL1_PKG
+        fi
+
         # Install man pages - package name varies between 3.12 and earlier versions
         if apk info man > /dev/null 2>&1; then
             apk add --no-cache man man-pages
diff --git a/src/docker-outside-of-docker/devcontainer-feature.json b/src/docker-outside-of-docker/devcontainer-feature.json
index b82fc6d8b..4e5eae721 100644
--- a/src/docker-outside-of-docker/devcontainer-feature.json
+++ b/src/docker-outside-of-docker/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "docker-outside-of-docker",
-    "version": "1.3.1",
+    "version": "1.3.2",
     "name": "Docker (docker-outside-of-docker)",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/docker-outside-of-docker",
     "description": "Re-use the host docker socket, adding the Docker CLI to a container. Feature invokes a script to enable using a forwarded Docker socket within a container to run Docker commands.",
diff --git a/src/docker-outside-of-docker/install.sh b/src/docker-outside-of-docker/install.sh
index 3c0520698..901dd7870 100755
--- a/src/docker-outside-of-docker/install.sh
+++ b/src/docker-outside-of-docker/install.sh
@@ -329,7 +329,7 @@ if [ "${ENABLE_NONROOT_DOCKER}" = "true" ] && [ "${SOURCE_SOCKET}" != "${TARGET_
             log "Enabling socket proxy."
             log "Proxying ${SOURCE_SOCKET} to ${TARGET_SOCKET} for vscode"
             sudoIf rm -rf ${TARGET_SOCKET}
-            (sudoIf socat UNIX-LISTEN:${TARGET_SOCKET},fork,mode=660,user=${USERNAME} UNIX-CONNECT:${SOURCE_SOCKET} 2>&1 | sudoIf tee -a \${SOCAT_LOG} > /dev/null & echo "\$!" | sudoIf tee \${SOCAT_PID} > /dev/null)
+            (sudoIf socat UNIX-LISTEN:${TARGET_SOCKET},fork,mode=660,user=${USERNAME},backlog=128 UNIX-CONNECT:${SOURCE_SOCKET} 2>&1 | sudoIf tee -a \${SOCAT_LOG} > /dev/null & echo "\$!" | sudoIf tee \${SOCAT_PID} > /dev/null)
         else
             log "Socket proxy already running."
         fi
diff --git a/src/dotnet/devcontainer-feature.json b/src/dotnet/devcontainer-feature.json
index b9c7260ea..7abfc2d30 100644
--- a/src/dotnet/devcontainer-feature.json
+++ b/src/dotnet/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "dotnet",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "name": "Dotnet CLI",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/dotnet",
     "description": "This Feature installs the latest .NET SDK, which includes the .NET CLI and the shared runtime. Options are provided to choose a different version or additional versions.",
diff --git a/src/dotnet/scripts/vendor/dotnet-install.sh b/src/dotnet/scripts/vendor/dotnet-install.sh
index b350ad4e1..86a2d0bad 100755
--- a/src/dotnet/scripts/vendor/dotnet-install.sh
+++ b/src/dotnet/scripts/vendor/dotnet-install.sh
@@ -1708,7 +1708,11 @@ do
         -?|--?|-h|--help|-[Hh]elp)
             script_name="$(basename "$0")"
             echo ".NET Tools Installer"
-            echo "Usage: $script_name [-c|--channel <CHANNEL>] [-v|--version <VERSION>] [-p|--prefix <DESTINATION>]"
+            echo "Usage:"
+            echo "       # Install a .NET SDK of a given Quality from a given Channel"
+            echo "       $script_name [-c|--channel <CHANNEL>] [-q|--quality <QUALITY>]"
+            echo "       # Install a .NET SDK of a specific public version"
+            echo "       $script_name [-v|--version <VERSION>]"
             echo "       $script_name -h|-?|--help"
             echo ""
             echo "$script_name is a simple command line interface for obtaining dotnet cli."
diff --git a/src/java/README.md b/src/java/README.md
index 1ffd6188b..4699eb517 100644
--- a/src/java/README.md
+++ b/src/java/README.md
@@ -23,6 +23,8 @@ Installs Java, SDKMAN! (if not installed), and needed dependencies.
 | mavenVersion | Select or enter a Maven version | string | latest |
 | installAnt | Install Ant, a software tool for automating software build processes | boolean | false |
 | antVersion | Select or enter an Ant version | string | latest |
+| installGroovy | Install Groovy, powerful, optionally typed and dynamic language with static-typing and static compilation capabilities | boolean | false |
+| groovyVersion | Select or enter a Groovy version | string | latest |
 
 ## Customizations
 
diff --git a/src/java/devcontainer-feature.json b/src/java/devcontainer-feature.json
index d4aede873..64a4ca932 100644
--- a/src/java/devcontainer-feature.json
+++ b/src/java/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
   "id": "java",
-  "version": "1.2.2",
+  "version": "1.3.0",
   "name": "Java (via SDKMAN!)",
   "documentationURL": "https://github.com/devcontainers/features/tree/main/src/java",
   "description": "Installs Java, SDKMAN! (if not installed), and needed dependencies.",
@@ -23,7 +23,8 @@
         "ms",
         "open",
         "oracle",
-        "tem"
+        "tem",
+        "amzn"
       ],
       "default": "ms",
       "description": "Select or enter a JDK distribution"
@@ -74,6 +75,22 @@
       ],
       "default": "latest",
       "description": "Select or enter an Ant version"
+    },
+    "installGroovy": {
+      "type": "boolean",
+      "default": false,
+      "description": "Install Groovy, powerful, optionally typed and dynamic language with static-typing and static compilation capabilities"
+    },
+    "groovyVersion": {
+      "type": "string",
+      "proposals": [
+        "latest",
+        "2.5.22",
+        "3.0.19",
+        "4.0.16"
+      ],
+      "default": "latest",
+      "description": "Select or enter a Groovy version"
     }
   },
   "customizations": {
@@ -92,6 +109,6 @@
     "PATH": "/usr/local/sdkman/bin:/usr/local/sdkman/candidates/java/current/bin:/usr/local/sdkman/candidates/gradle/current/bin:/usr/local/sdkman/candidates/maven/current/bin:/usr/local/sdkman/candidates/ant/current/bin:${PATH}"
   },
   "installsAfter": [
-      "ghcr.io/devcontainers/features/common-utils"
+    "ghcr.io/devcontainers/features/common-utils"
   ]
 }
diff --git a/src/java/install.sh b/src/java/install.sh
index 2decc31b5..16bbb1c66 100644
--- a/src/java/install.sh
+++ b/src/java/install.sh
@@ -16,6 +16,8 @@ INSTALL_MAVEN="${INSTALLMAVEN:-"false"}"
 MAVEN_VERSION="${MAVENVERSION:-"latest"}"
 INSTALL_ANT="${INSTALLANT:-"false"}"
 ANT_VERSION="${ANTVERSION:-"latest"}"
+INSTALL_GROOVY="${INSTALLGROOVY:-"false"}"
+GROOVY_VERSION="${GROOVYVERSION:-"latest"}"
 JDK_DISTRO="${JDKDISTRO}"
 
 export SDKMAN_DIR="${SDKMAN_DIR:-"/usr/local/sdkman"}"
@@ -190,6 +192,11 @@ if [[ "${INSTALL_MAVEN}" = "true" ]] && ! mvn --version > /dev/null; then
     sdk_install maven ${MAVEN_VERSION}
 fi
 
+# Install Groovy
+if [[ "${INSTALL_GROOVY}" = "true" ]] && ! groovy --version > /dev/null; then
+    sdk_install groovy "${GROOVY_VERSION}"
+fi
+
 # Clean up
 rm -rf /var/lib/apt/lists/*
 
diff --git a/src/kubectl-helm-minikube/devcontainer-feature.json b/src/kubectl-helm-minikube/devcontainer-feature.json
index 4206772b2..fa8ea6138 100644
--- a/src/kubectl-helm-minikube/devcontainer-feature.json
+++ b/src/kubectl-helm-minikube/devcontainer-feature.json
@@ -1,6 +1,6 @@
 {
     "id": "kubectl-helm-minikube",
-    "version": "1.1.5",
+    "version": "1.1.6",
     "name": "Kubectl, Helm, and Minikube",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/kubectl-helm-minikube",
     "description": "Installs latest version of kubectl, Helm, and optionally minikube. Auto-detects latest versions and installs needed dependencies.",
diff --git a/src/kubectl-helm-minikube/install.sh b/src/kubectl-helm-minikube/install.sh
index 35444c5dc..5deb377c3 100755
--- a/src/kubectl-helm-minikube/install.sh
+++ b/src/kubectl-helm-minikube/install.sh
@@ -148,7 +148,7 @@ if [ ${KUBECTL_VERSION} != "none" ]; then
     kubectl completion bash > /etc/bash_completion.d/kubectl
 
     # kubectl zsh completion
-    if [ -e "${USERHOME}}/.oh-my-zsh" ]; then
+    if [ -e "${USERHOME}/.oh-my-zsh" ]; then
         mkdir -p "${USERHOME}/.oh-my-zsh/completions"
         kubectl completion zsh > "${USERHOME}/.oh-my-zsh/completions/_kubectl"
         chown -R "${USERNAME}" "${USERHOME}/.oh-my-zsh"
diff --git a/src/nix/README.md b/src/nix/README.md
index 3ab9b0017..4fd9700f3 100644
--- a/src/nix/README.md
+++ b/src/nix/README.md
@@ -18,6 +18,7 @@ Installs the Nix package manager and optionally a set of packages.
 | version | Version of Nix to install. | string | latest |
 | multiUser | Perform a multi-user install (instead of single user) | boolean | true |
 | packages | Optional comma separated list of Nix packages to install in profile. | string | - |
+| useAttributePath | Enable this option to use exact attribute path of the package in the Nixpkgs repository, aligning with the nix-env -iA command. | boolean | false |
 | flakeUri | Optional URI to a Nix Flake to install in profile. | string | - |
 | extraNixConfig | Optional comma separated list of extra lines to add to /etc/nix/nix.conf. | string | - |
 
diff --git a/src/nix/devcontainer-feature.json b/src/nix/devcontainer-feature.json
index 96a75016b..0e37efed2 100644
--- a/src/nix/devcontainer-feature.json
+++ b/src/nix/devcontainer-feature.json
@@ -1,9 +1,9 @@
 {
     "id": "nix",
-    "version": "1.1.3",
+    "version": "1.2.0",
     "name": "Nix Package Manager",
     "documentationURL": "https://github.com/devcontainers/features/tree/main/src/nix",
-    "description": "Installs the Nix package manager and optionally a set of packages.",  
+    "description": "Installs the Nix package manager and optionally a set of packages.",
     "options": {
         "version": {
             "type": "string",
@@ -21,6 +21,11 @@
             "default": "",
             "description": "Optional comma separated list of Nix packages to install in profile."
         },
+        "useAttributePath": {
+            "type": "boolean",
+            "default": false,
+            "description": "Enable this option to use exact attribute path of the package in the Nixpkgs repository, aligning with the nix-env -iA command."
+        },
         "flakeUri": {
             "type": "string",
             "default": "",
@@ -39,4 +44,4 @@
         "PATH": "/nix/var/nix/profiles/default/bin:/nix/var/nix/profiles/default/sbin:${PATH}"
     },
     "entrypoint": "/usr/local/share/nix-entrypoint.sh"
-}
\ No newline at end of file
+}
diff --git a/src/nix/install.sh b/src/nix/install.sh
index ed048fe8d..5b8fe8f28 100755
--- a/src/nix/install.sh
+++ b/src/nix/install.sh
@@ -8,6 +8,7 @@ cd "${FEATURE_DIR}"
 VERSION="${VERSION:-"latest"}"
 MULTIUSER="${MULTIUSER:-"true"}"
 PACKAGES="${PACKAGES//,/ }"
+USEATTRIBUTEPATH="${USEATTRIBUTEPATH:-"false"}"
 FLAKEURI="${FLAKEURI:-""}"
 EXTRANIXCONFIG="${EXTRANIXCONFIG:-""}"
 USERNAME="${USERNAME:-"${_REMOTE_USER:-"automatic"}"}"
@@ -68,7 +69,7 @@ else
             exit 1
         fi
         echo "(*) Performing single-user install..."
-        echo -e "\n**NOTE: Nix will only work for user ${USERNAME} on Linux if the host machine user's UID is $(id -u ${USERNAME}). You will need to chown /nix otherwise.**\n"    
+        echo -e "\n**NOTE: Nix will only work for user ${USERNAME} on Linux if the host machine user's UID is $(id -u ${USERNAME}). You will need to chown /nix otherwise.**\n"
         # Install per https://nixos.org/manual/nix/stable/installation/installing-binary.html#single-user-installation
         mkdir -p /nix
         chown ${USERNAME} /nix ${tmpdir}
@@ -79,14 +80,14 @@ else
         '
         update_rc_file "$home_dir/.bashrc" "${snippet}"
         update_rc_file "$home_dir/.zshenv" "${snippet}"
-        update_rc_file "$home_dir/.profile" "${snippet}"    
+        update_rc_file "$home_dir/.profile" "${snippet}"
     fi
     rm -rf "${tmpdir}" "/tmp/tmp-gnupg"
 fi
 
 # Set nix config
 mkdir -p /etc/nix
-create_or_update_file /etc/nix/nix.conf 'sandbox = false' 
+create_or_update_file /etc/nix/nix.conf 'sandbox = false'
 if  [ ! -z "${FLAKEURI}" ] && [ "${FLAKEURI}" != "none" ]; then
     create_or_update_file /etc/nix/nix.conf 'experimental-features = nix-command flakes'
 fi
@@ -127,4 +128,4 @@ else
     "
 fi
 
-echo "Done!"
\ No newline at end of file
+echo "Done!"
diff --git a/src/nix/post-install-steps.sh b/src/nix/post-install-steps.sh
index aa466798b..68f93a391 100755
--- a/src/nix/post-install-steps.sh
+++ b/src/nix/post-install-steps.sh
@@ -2,10 +2,29 @@
 set -e
 echo "(*) Executing post-installation steps..."
 
+# if not starts with "nixpkgs." add it as prefix to package name
+add_nixpkgs_prefix() {
+  local packages=$1
+  local -a addr
+  IFS=' ' read -ra addr <<<"$packages"
+  for i in "${!addr[@]}"; do
+    if [[ ${addr[i]} != nixpkgs.* ]]; then
+      addr[i]="nixpkgs.${addr[i]}"
+    fi
+  done
+  IFS=' ' echo "${addr[*]}"
+}
+
 # Install list of packages in profile if specified.
 if [ ! -z "${PACKAGES}" ] && [ "${PACKAGES}" != "none" ]; then
+  if [ "${USEATTRIBUTEPATH}" = "true" ]; then
+    PACKAGES=$(add_nixpkgs_prefix "$PACKAGES")
+    echo "Installing packages \"${PACKAGES}\" in profile..."
+    nix-env -iA ${PACKAGES}
+  else
     echo "Installing packages \"${PACKAGES}\" in profile..."
     nix-env --install ${PACKAGES}
+  fi
 fi
 
 # Install Nix flake in profile if specified
diff --git a/test/common-utils/alma-8-minimal.sh b/test/common-utils/alma-8-minimal.sh
new file mode 100755
index 000000000..d08731824
--- /dev/null
+++ b/test/common-utils/alma-8-minimal.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el8"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/alma-8.sh b/test/common-utils/alma-8.sh
new file mode 100755
index 000000000..d08731824
--- /dev/null
+++ b/test/common-utils/alma-8.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el8"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/alma-9-minimal.sh b/test/common-utils/alma-9-minimal.sh
new file mode 100755
index 000000000..cb2b339e1
--- /dev/null
+++ b/test/common-utils/alma-9-minimal.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el9"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/alma-9.sh b/test/common-utils/alma-9.sh
new file mode 100755
index 000000000..cb2b339e1
--- /dev/null
+++ b/test/common-utils/alma-9.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el9"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/alpine-3-18.sh b/test/common-utils/alpine-3-18.sh
new file mode 100755
index 000000000..eaf384b9e
--- /dev/null
+++ b/test/common-utils/alpine-3-18.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${ID}" = "alpine"
+check "bashrc" ls /etc/bash/bashrc
+check "libssl1.1 is installed" grep "libssl1.1" <(apk list --no-cache libssl1.1)
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/rocky-8-minimal.sh b/test/common-utils/rocky-8-minimal.sh
new file mode 100755
index 000000000..d08731824
--- /dev/null
+++ b/test/common-utils/rocky-8-minimal.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el8"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/rocky-9-minimal.sh b/test/common-utils/rocky-9-minimal.sh
new file mode 100755
index 000000000..cb2b339e1
--- /dev/null
+++ b/test/common-utils/rocky-9-minimal.sh
@@ -0,0 +1,16 @@
+#!/bin/bash
+
+set -e
+
+# Optional: Import test library
+source dev-container-features-test-lib
+
+# Definition specific tests
+. /etc/os-release
+check "non-root user" test "$(whoami)" = "devcontainer"
+check "distro" test "${PLATFORM_ID}" = "platform:el9"
+check "curl" curl --version
+check "jq" jq  --version
+
+# Report result
+reportResults
\ No newline at end of file
diff --git a/test/common-utils/scenarios.json b/test/common-utils/scenarios.json
index c1ee18dde..2e357bc2b 100644
--- a/test/common-utils/scenarios.json
+++ b/test/common-utils/scenarios.json
@@ -41,6 +41,34 @@
             "common-utils": {}
         }
     },
+    "alma-8": {
+        "image": "almalinux:8",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
+    "alma-9": {
+        "image": "almalinux:9",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
+    "alma-8-minimal": {
+        "image": "almalinux:8-minimal",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
+    "alma-9-minimal": {
+        "image": "almalinux:9-minimal",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
     "rocky-8": {
         "image": "rockylinux:8",
         "remoteUser": "devcontainer",
@@ -55,6 +83,20 @@
             "common-utils": {}
         }
     },
+    "rocky-8-minimal": {
+        "image": "rockylinux:8-minimal",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
+    "rocky-9-minimal": {
+        "image": "rockylinux:9-minimal",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
     "fedora": {
         "image": "fedora",
         "remoteUser": "devcontainer",
@@ -162,6 +204,13 @@
             "common-utils": {}
         }
     },
+    "alpine-3-18": {
+        "image": "alpine:3.18",
+        "remoteUser": "devcontainer",
+        "features": {
+            "common-utils": {}
+        }
+    },
     "devcontainer-info": {
         "build": {
             "dockerfile": "Dockerfile"
@@ -202,4 +251,4 @@
             "common-utils": {}
         }
     }
-}
+}
\ No newline at end of file
diff --git a/test/dotnet/install_aspnetcore_runtime_only.sh b/test/dotnet/install_aspnetcore_runtime_only.sh
index 35bd540b7..78e4f099c 100644
--- a/test/dotnet/install_aspnetcore_runtime_only.sh
+++ b/test/dotnet/install_aspnetcore_runtime_only.sh
@@ -18,10 +18,6 @@ expected=$(fetch_latest_version "aspnetcore")
 check "Latest ASP.NET Core Runtime version installed" \
 is_aspnetcore_runtime_version_installed "$expected"
 
-# Expect this check to fail in November 2023 when .NET 8.0 becomes GA
-check "It is a flavor of .NET 7.0" \
-is_aspnetcore_runtime_version_installed "7.0"
-
 # Report results
 # If any of the checks above exited with a non-zero exit code, the test will fail.
 reportResults
\ No newline at end of file
diff --git a/test/dotnet/install_dotnet_latest_when_version_is_empty.sh b/test/dotnet/install_dotnet_latest_when_version_is_empty.sh
index 7418892e1..cd23edcf1 100644
--- a/test/dotnet/install_dotnet_latest_when_version_is_empty.sh
+++ b/test/dotnet/install_dotnet_latest_when_version_is_empty.sh
@@ -18,12 +18,8 @@ expected=$(fetch_latest_version)
 check "Latest .NET SDK version installed" \
 is_dotnet_sdk_version_installed "$expected"
 
-# Expect this check to fail in November 2023 when .NET 8.0 becomes GA
-check "It is a flavor of .NET 7.0" \
-is_dotnet_sdk_version_installed "7.0"
-
 check "Build and run example project" \
-dotnet run --project projects/net7.0
+dotnet run --project projects/net8.0
 
 # Report results
 # If any of the checks above exited with a non-zero exit code, the test will fail.
diff --git a/test/dotnet/install_dotnet_lts.sh b/test/dotnet/install_dotnet_lts.sh
index fe37b89f7..bc2d40782 100644
--- a/test/dotnet/install_dotnet_lts.sh
+++ b/test/dotnet/install_dotnet_lts.sh
@@ -19,7 +19,7 @@ check "Latest LTS version installed" \
 is_dotnet_sdk_version_installed "$expected"
 
 check "Build and run example project" \
-dotnet run --project projects/net6.0
+dotnet run --project projects/net8.0
 
 # Report results
 # If any of the checks above exited with a non-zero exit code, the test will fail.
diff --git a/test/dotnet/install_dotnet_runtime_only.sh b/test/dotnet/install_dotnet_runtime_only.sh
index 65188c5ec..3c58340d1 100644
--- a/test/dotnet/install_dotnet_runtime_only.sh
+++ b/test/dotnet/install_dotnet_runtime_only.sh
@@ -18,10 +18,6 @@ expected=$(fetch_latest_version "dotnet")
 check "Latest .NET Runtime version installed" \
 is_dotnet_runtime_version_installed "$expected"
 
-# Expect this check to fail in November 2023 when .NET 8.0 becomes GA
-check "It is a flavor of .NET 7.0" \
-is_dotnet_runtime_version_installed "7.0"
-
 # Report results
 # If any of the checks above exited with a non-zero exit code, the test will fail.
 reportResults
\ No newline at end of file
diff --git a/test/dotnet/test.sh b/test/dotnet/test.sh
index 7418892e1..cd23edcf1 100644
--- a/test/dotnet/test.sh
+++ b/test/dotnet/test.sh
@@ -18,12 +18,8 @@ expected=$(fetch_latest_version)
 check "Latest .NET SDK version installed" \
 is_dotnet_sdk_version_installed "$expected"
 
-# Expect this check to fail in November 2023 when .NET 8.0 becomes GA
-check "It is a flavor of .NET 7.0" \
-is_dotnet_sdk_version_installed "7.0"
-
 check "Build and run example project" \
-dotnet run --project projects/net7.0
+dotnet run --project projects/net8.0
 
 # Report results
 # If any of the checks above exited with a non-zero exit code, the test will fail.
diff --git a/test/java/install_ant_and_gradle_and_maven.sh b/test/java/install_ant_and_gradle_and_maven_and_groovy.sh
similarity index 84%
rename from test/java/install_ant_and_gradle_and_maven.sh
rename to test/java/install_ant_and_gradle_and_maven_and_groovy.sh
index 599f8d9d5..e171f5be5 100644
--- a/test/java/install_ant_and_gradle_and_maven.sh
+++ b/test/java/install_ant_and_gradle_and_maven_and_groovy.sh
@@ -24,5 +24,11 @@ check "maven" mvn --version
 cd /tmp && mvn archetype:generate -DgroupId=com.mycompany.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=1.4 -DinteractiveMode=false
 check "m2 exists" grep ".m2" <(ls -la /root)
 
+check "groovy" groovy --version
+cat << EOF > /tmp/test.groovy
+println("verify")
+EOF
+check "groovy works" test "$(groovy /tmp/test.groovy)" = "verify"
+
 # Report result
 reportResults
diff --git a/test/java/install_ant_and_gradle_and_maven_for_user.sh b/test/java/install_ant_and_gradle_and_maven_and_groovy_for_user.sh
similarity index 84%
rename from test/java/install_ant_and_gradle_and_maven_for_user.sh
rename to test/java/install_ant_and_gradle_and_maven_and_groovy_for_user.sh
index 4e8b43134..8d9f293e9 100644
--- a/test/java/install_ant_and_gradle_and_maven_for_user.sh
+++ b/test/java/install_ant_and_gradle_and_maven_and_groovy_for_user.sh
@@ -24,5 +24,11 @@ check "maven" mvn --version
 cd /tmp && mvn archetype:generate -DgroupId=com.mycompany.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=1.4 -DinteractiveMode=false
 check "m2 exists" grep ".m2" <(ls -la /home/vscode)
 
+check "groovy" groovy --version
+cat << EOF > /tmp/test.groovy
+println("verify")
+EOF
+check "groovy works" test "$(groovy /tmp/test.groovy)" = "verify"
+
 # Report result
 reportResults
diff --git a/test/java/install_ant_and_gradle_and_maven_with_specific_version.sh b/test/java/install_ant_and_gradle_and_maven_and_groovy_with_specific_version.sh
similarity index 92%
rename from test/java/install_ant_and_gradle_and_maven_with_specific_version.sh
rename to test/java/install_ant_and_gradle_and_maven_and_groovy_with_specific_version.sh
index 7727f51b6..54e13e0cf 100644
--- a/test/java/install_ant_and_gradle_and_maven_with_specific_version.sh
+++ b/test/java/install_ant_and_gradle_and_maven_and_groovy_with_specific_version.sh
@@ -24,5 +24,7 @@ check "maven version" grep "Apache Maven 3.6.3" <(mvn --version)
 cd /tmp && mvn archetype:generate -DgroupId=com.mycompany.app -DartifactId=my-app -DarchetypeArtifactId=maven-archetype-quickstart -DarchetypeVersion=1.4 -DinteractiveMode=false
 check "m2 exists" grep ".m2" <(ls -la /root)
 
+check "groovy version" grep "Groovy Version: 2.5.22" <(groovy --version)
+
 # Report result
 reportResults
diff --git a/test/java/install_from_non_default_distro.sh b/test/java/install_from_non_default_distro.sh
index 021a72a21..3ab648cab 100644
--- a/test/java/install_from_non_default_distro.sh
+++ b/test/java/install_from_non_default_distro.sh
@@ -5,7 +5,7 @@ set -e
 # Optional: Import test library
 source dev-container-features-test-lib
 
-check "java version openjdk 19 installed" grep "openjdk 19." <(java --version)
+check "java version openjdk 21 installed" grep "openjdk 21." <(java --version)
 
 # Report result
 reportResults
diff --git a/test/java/scenarios.json b/test/java/scenarios.json
index 5d7e684ba..dac9850f2 100644
--- a/test/java/scenarios.json
+++ b/test/java/scenarios.json
@@ -3,7 +3,7 @@
         "image": "ubuntu:focal",
         "features": {
             "java": {
-                "version": "19",
+                "version": "21",
                 "jdkDistro": "open"
             }
         }
@@ -17,7 +17,7 @@
             }
         }
     },
-    "install_ant_and_gradle_and_maven_for_user": {
+    "install_ant_and_gradle_and_maven_and_groovy_for_user": {
         "image": "ubuntu:focal",
         "remoteUser": "vscode",
         "features": {
@@ -28,22 +28,24 @@
                 "version": "latest",
                 "installAnt": true,
                 "installGradle": true,
-                "installMaven": true
+                "installMaven": true,
+                "installGroovy": true
             }
         }
     },
-    "install_ant_and_gradle_and_maven": {
+    "install_ant_and_gradle_and_maven_and_groovy": {
         "image": "ubuntu:focal",
         "features": {
             "java": {
                 "version": "latest",
                 "installAnt": true,
                 "installGradle": true,
-                "installMaven": true
+                "installMaven": true,
+                "installGroovy": true
             }
         }
     },
-    "install_ant_and_gradle_and_maven_with_specific_version": {
+    "install_ant_and_gradle_and_maven_and_groovy_with_specific_version": {
         "image": "ubuntu:focal",
         "features": {
             "java": {
@@ -53,13 +55,15 @@
                 "installGradle": "true",
                 "gradleVersion": "6.8.3",
                 "installMaven": "true",
-                "mavenVersion": "3.6.3"
+                "mavenVersion": "3.6.3",
+                "installGroovy": "true",
+                "groovyVersion": "2.5.22"
             }
         }
     },
     "install_non_conventional_version": {
         "image": "ubuntu:focal",
-        "features":{
+        "features": {
             "java": {
                 "version": "21",
                 "jdkDistro": "graalce"
diff --git a/test/nix/packages-use-attr-path.sh b/test/nix/packages-use-attr-path.sh
new file mode 100755
index 000000000..7f34a96ea
--- /dev/null
+++ b/test/nix/packages-use-attr-path.sh
@@ -0,0 +1,35 @@
+#!/bin/bash
+set -e
+
+# Optional: Import test library bundled with the devcontainer CLI
+source dev-container-features-test-lib
+
+uid="$(id -u)"
+echo "Current user UID is ${uid}."
+if [ "${uid}" != "1000" ]; then
+    echo "Current user UID was adjusted."
+fi
+set +e
+vscode_uid="$(id -u vscode)"
+set -e
+if [ "${vscode_uid}" != "" ]; then
+    echo "User vscode UID is ${vscode_uid}."
+    if [ "${vscode_uid}" != "1000" ]; then
+        echo "User vscode UID was adjusted."
+    fi
+fi
+nix_uid="$(stat /nix -c "%u")"
+echo "/nix UID is ${nix_uid}."
+
+cat /etc/os-release
+
+# Feature-specific tests
+# The 'check' command comes from the dev-container-features-test-lib.
+check "nix-env" type nix-env
+check "vim_installed" type vim
+check "node_installed" type node
+check "yarn_installed" type yarn
+
+# Report result
+# If any of the checks above exited with a non-zero exit code, the test will fail.
+reportResults &2>1
diff --git a/test/nix/scenarios.json b/test/nix/scenarios.json
index c287f58c7..80ead7ff6 100644
--- a/test/nix/scenarios.json
+++ b/test/nix/scenarios.json
@@ -81,6 +81,17 @@
             }
         }
     },
+    "packages-use-attr-path": {
+        "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
+        "remoteUser": "vscode",
+        "features": {
+            "nix": {
+                "packages": "nodePackages.nodejs,nixpkgs.vim,nixpkgs.yarn",
+                "useAttributePath": true
+            }
+        }
+    },
+
     "flake": {
         "image": "mcr.microsoft.com/devcontainers/base:ubuntu",
         "remoteUser": "vscode",
@@ -99,4 +110,4 @@
             }
         }
     }
-}
\ No newline at end of file
+}