diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 6220283..4096bf7 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -24,7 +24,7 @@ jobs:
           wget https://apt.llvm.org/llvm.sh
           chmod +x llvm.sh
           sudo ./llvm.sh $LLVM_VERSION
-          sudo apt-get update -y && sudo apt-get upgrade -y
+          sudo apt-get update -y
           sudo apt-get -y install gcc-multilib g++-multilib clang-tidy-$LLVM_VERSION clang-format-$LLVM_VERSION cppcheck
           sudo update-alternatives --install /usr/bin/clang-tidy clang-tidy /usr/bin/clang-tidy-$LLVM_VERSION 50
           sudo update-alternatives --install /usr/bin/clang-format clang-format /usr/bin/clang-format-$LLVM_VERSION 50
@@ -70,7 +70,7 @@ jobs:
         with:
           submodules: true
       - run: |
-          sudo apt-get update -y && sudo apt-get upgrade -y
+          sudo apt-get update -y
           sudo apt-get install gcc-multilib g++-multilib
       - run: >
           cmake
@@ -100,7 +100,7 @@ jobs:
         with:
           submodules: true
       - run: |
-          sudo apt-get update -y && sudo apt-get upgrade -y
+          sudo apt-get update -y
           sudo apt-get install -y gcc-multilib g++-multilib lcov
           pip install --break-system-packages gcovr
       - run: >
@@ -153,7 +153,7 @@ jobs:
         with:
           submodules: true
       - run: |
-          sudo apt-get update -y && sudo apt-get upgrade -y
+          sudo apt-get update -y
           sudo apt-get install -y gcc-arm-none-eabi
       - run: arm-none-eabi-gcc libcanard/*.c -isystem lib/cavl2 -c -std=c99 ${{ env.flags }}
       - run: arm-none-eabi-gcc libcanard/*.c -isystem lib/cavl2 -c -std=c11 ${{ env.flags }}
diff --git a/README.md b/README.md
index 152668f..83a5a0a 100644
--- a/README.md
+++ b/README.md
@@ -77,15 +77,11 @@ int main(void)
     const canard_vtable_t vtable = { .now = app_now, .tx = app_tx };
     static const canard_subscription_vtable_t sub_vtable = { .on_message = app_on_message };
     
-    // Set up the local node. The node-ID will be allocated automatically.
+    // Set up the local node. The node-ID will be allocated automatically; for manual see canard_set_node_id().
     canard_t              node;
     if (!canard_new(&node, &vtable, mem_set, /*iface_bitmap=*/1, /*txq_cap=*/100, UID_OR_TRUE_RANDOM_NUMBER, 0U)) {
         return -1;
     }
-    if (!canard_set_node_id(&node, 42U)) {
-        canard_destroy(&node);
-        return -1;
-    }
     
     // Subscribe for messages.
     canard_subscription_t sub;
@@ -127,7 +123,7 @@ int main(void)
 
 To release a new version, simply publish a new release on GitHub.
 
-### v5.0.alpha
+### v5.0
 
 v5 is a major rework based on the experience gained from extensive production use of the previous revisions.
 The main intended use case is with [**Cy**](https://github.com/OpenCyphal-Garage/cy) rather than standalone.
diff --git a/esp_metadata/CMakeLists.txt b/esp_metadata/CMakeLists.txt
index 1593ec9..8b3de94 100644
--- a/esp_metadata/CMakeLists.txt
+++ b/esp_metadata/CMakeLists.txt
@@ -10,9 +10,3 @@ idf_component_register(SRCS "canard.c"
 if(NOT CONFIG_CANARD_ASSERTIONS)
     target_compile_definitions(${COMPONENT_LIB} PRIVATE "CANARD_ASSERT=(void)")
 endif()
-
-if(CONFIG_CANARD_CRC_TABLE)
-    target_compile_definitions(${COMPONENT_LIB} PRIVATE CANARD_CRC_TABLE=1)
-else()
-    target_compile_definitions(${COMPONENT_LIB} PRIVATE CANARD_CRC_TABLE=0)
-endif()
diff --git a/esp_metadata/Kconfig b/esp_metadata/Kconfig
index 8e89e7f..9e6aade 100644
--- a/esp_metadata/Kconfig
+++ b/esp_metadata/Kconfig
@@ -13,12 +13,4 @@ config CANARD_ASSERTIONS
     help
         Set to 'n' to disable libcanard assertions.
 
-config CANARD_CRC_TABLE
-    bool "Enable libcanard CRC table"
-    default y
-    help
-        Set to 'n' to use slow but ROM-efficient transfer-CRC computation algorithm.
-        Doing so is expected to save ca. 500 bytes of ROM and
-        increase the cost of RX/TX transfer processing by ~half.
-
 endmenu
diff --git a/esp_metadata/package_esp_component.sh b/esp_metadata/package_esp_component.sh
index a04d87d..80ef77f 100644
--- a/esp_metadata/package_esp_component.sh
+++ b/esp_metadata/package_esp_component.sh
@@ -6,7 +6,6 @@ set -e
 
 mkdir -p package/libcanard/include
 
-cp CONTRIBUTING.md                  package/libcanard/CONTRIBUTING.md
 cp LICENSE                          package/libcanard/LICENSE
 cp README.md                        package/libcanard/README.md