diff --git a/.github/component-label-map.yml b/.github/component-label-map.yml
index 5ab8934eee..ae5125613e 100644
--- a/.github/component-label-map.yml
+++ b/.github/component-label-map.yml
@@ -278,6 +278,7 @@ pkg-status:unmaintained:
   - changed-files:
       - any-glob-to-any-file:
           - detectors/node/opentelemetry-resource-detector-github/**
+          - packages/opentelemetry-redis-common/**
           - plugins/node/instrumentation-fs/**
           - plugins/node/instrumentation-tedious/**
           - plugins/node/opentelemetry-instrumentation-connect/**
@@ -288,6 +289,9 @@ pkg-status:unmaintained:
           - plugins/node/opentelemetry-instrumentation-knex/**
           - plugins/node/opentelemetry-instrumentation-koa/**
           - plugins/node/opentelemetry-instrumentation-memcached/**
+          - plugins/node/opentelemetry-instrumentation-mongodb/**
+          - plugins/node/opentelemetry-instrumentation-mysql/**
+          - plugins/node/opentelemetry-instrumentation-mysql2/**
           - plugins/node/opentelemetry-instrumentation-nestjs-core/**
           - plugins/node/opentelemetry-instrumentation-restify/**
           - plugins/node/opentelemetry-instrumentation-router/**
diff --git a/.github/component_owners.yml b/.github/component_owners.yml
index a6b5109ff9..9102833c14 100644
--- a/.github/component_owners.yml
+++ b/.github/component_owners.yml
@@ -42,8 +42,8 @@ components:
     - pichlermarc
     - legendecas
     - blumamir
-  packages/opentelemetry-redis-common:
-    - haddasbronfman
+  packages/opentelemetry-redis-common: []
+    # Unmaintained
   packages/opentelemetry-test-utils:
     - dyladan
     - pichlermarc
@@ -102,12 +102,12 @@ components:
     # Unmaintained
   plugins/node/opentelemetry-instrumentation-memcached: []
     # Unmaintained
-  plugins/node/opentelemetry-instrumentation-mongodb:
-    - osherv
-  plugins/node/opentelemetry-instrumentation-mysql:
-    - haddasbronfman
-  plugins/node/opentelemetry-instrumentation-mysql2:
-    - haddasbronfman
+  plugins/node/opentelemetry-instrumentation-mongodb: []
+    # Unmaintained
+  plugins/node/opentelemetry-instrumentation-mysql: []
+    # Unmaintained
+  plugins/node/opentelemetry-instrumentation-mysql2: []
+    # Unmaintained
   plugins/node/opentelemetry-instrumentation-nestjs-core: []
     # Unmaintained
   plugins/node/opentelemetry-instrumentation-net:
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index a60b6e246d..390ceabfb5 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -139,6 +139,8 @@ jobs:
       - name: Report Coverage
         if: ${{ matrix.code-coverage && !cancelled()}}
         uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           verbose: true
 
@@ -170,5 +172,7 @@ jobs:
         run: npm run test:browser
       - name: Report Coverage
         uses: codecov/codecov-action@v4
+        env:
+          CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
         with:
           verbose: true
diff --git a/plugins/node/instrumentation-undici/src/internal-types.ts b/plugins/node/instrumentation-undici/src/internal-types.ts
index 67c7fd6ce3..e6b2fff535 100644
--- a/plugins/node/instrumentation-undici/src/internal-types.ts
+++ b/plugins/node/instrumentation-undici/src/internal-types.ts
@@ -13,14 +13,12 @@
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
-import type { Channel } from 'diagnostics_channel';
 
 import { UndiciRequest, UndiciResponse } from './types';
 
 export interface ListenerRecord {
   name: string;
-  channel: Channel;
-  onMessage: (message: any, name: string | symbol) => void;
+  unsubscribe: () => void;
 }
 
 export interface RequestMessage {
diff --git a/plugins/node/instrumentation-undici/src/undici.ts b/plugins/node/instrumentation-undici/src/undici.ts
index 0d8ebedc73..1755b7417b 100644
--- a/plugins/node/instrumentation-undici/src/undici.ts
+++ b/plugins/node/instrumentation-undici/src/undici.ts
@@ -77,7 +77,7 @@ export class UndiciInstrumentation extends InstrumentationBase<UndiciInstrumenta
 
   override disable(): void {
     super.disable();
-    this._channelSubs.forEach(sub => sub.channel.unsubscribe(sub.onMessage));
+    this._channelSubs.forEach(sub => sub.unsubscribe());
     this._channelSubs.length = 0;
   }
 
@@ -137,14 +137,29 @@ export class UndiciInstrumentation extends InstrumentationBase<UndiciInstrumenta
 
   private subscribeToChannel(
     diagnosticChannel: string,
-    onMessage: ListenerRecord['onMessage']
+    onMessage: (message: any, name: string | symbol) => void
   ) {
-    const channel = diagch.channel(diagnosticChannel);
-    channel.subscribe(onMessage);
+    // `diagnostics_channel` had a ref counting bug until v18.19.0.
+    // https://github.com/nodejs/node/pull/47520
+    const [major, minor] = process.version
+      .replace('v', '')
+      .split('.')
+      .map(n => Number(n));
+    const useNewSubscribe = major > 18 || (major === 18 && minor >= 19);
+
+    let unsubscribe: () => void;
+    if (useNewSubscribe) {
+      diagch.subscribe?.(diagnosticChannel, onMessage);
+      unsubscribe = () => diagch.unsubscribe?.(diagnosticChannel, onMessage);
+    } else {
+      const channel = diagch.channel(diagnosticChannel);
+      channel.subscribe(onMessage);
+      unsubscribe = () => channel.unsubscribe(onMessage);
+    }
+
     this._channelSubs.push({
       name: diagnosticChannel,
-      channel,
-      onMessage,
+      unsubscribe,
     });
   }