diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index f330b663cd5..1f74826315e 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -68,11 +68,50 @@ jobs:
         path: |
           ${{ env.local_sdk_repo_dir }}/*.podspec
           ${{ env.local_sdk_repo_dir }}/*.podspec.json
-  buildup_SpecsTesting_repo:
+  buildup_SpecsTesting_repo_FirebaseCore:
     needs: specs_checking
     # Don't run on private repo unless it is a PR.
     if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'workflow_dispatch'
     runs-on: macos-12
+    env:
+      bot_token_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      local_repo: specstesting
+      local_sdk_repo_dir: /tmp/test/firebase-ios-sdk
+      targeted_pod: FirebaseCore
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/download-artifact@v3
+      with:
+        name: firebase-ios-sdk
+        path: ${{ env.local_sdk_repo_dir }}
+    - name: Get token
+      run: |
+         scripts/decrypt_gha_secret.sh scripts/gha-encrypted/bot-access.txt.gpg \
+         bot-access.txt "$bot_token_secret"
+    - name: Update SpecsTesting repo
+      run: |
+        botaccess=`cat bot-access.txt`
+        cd scripts/create_spec_repo/
+        swift build
+        pod repo add --silent "${local_repo}" https://"$botaccess"@github.com/Firebase/SpecsTesting.git
+        BOT_TOKEN="${botaccess}" ${GITHUB_WORKSPACE}/scripts/third_party/travis/retry.sh .build/debug/spec-repo-builder /
+          --sdk-repo "${local_sdk_repo_dir}" /
+          --local-spec-repo-name "${local_repo}" /
+          --sdk-repo-name SpecsTesting /
+          --github-account Firebase /
+          --pod-sources 'https://${BOT_TOKEN}@github.com/Firebase/SpecsTesting' "https://github.com/firebase/SpecsDev.git" "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" /
+          --include-pods "${targeted_pod}" --keep-repo
+    - name: Clean Artifacts
+      if: ${{ always() }}
+      run: |
+        pod repo remove "${local_repo}"
+        rm -rf bot-access.txt
+
+  buildup_SpecsTesting_repo:
+    needs: [buildup_SpecsTesting_repo_FirebaseCore, specs_checking]
+    # Don't run on private repo unless it is a PR.
+    if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'workflow_dispatch'
+    runs-on: macos-12
     strategy:
       fail-fast: false
       matrix: ${{fromJson(needs.specs_checking.outputs.matrix)}}
@@ -89,17 +128,25 @@ jobs:
         path: ${{ env.local_sdk_repo_dir }}
     - name: Get token
       run: |
-         scripts/decrypt_gha_secret.sh scripts/gha-encrypted/oss-bot-access.txt.gpg \
-         oss-bot-access.txt "$bot_token_secret"
          scripts/decrypt_gha_secret.sh scripts/gha-encrypted/bot-access.txt.gpg \
          bot-access.txt "$bot_token_secret"
     - name: Update SpecsTesting repo
       run: |
+        [[ ${{ matrix.podspec }} == true ]] && ALLOWWARNINGS=true
         botaccess=`cat bot-access.txt`
         cd scripts/create_spec_repo/
         swift build
         pod repo add --silent "${local_repo}" https://"$botaccess"@github.com/Firebase/SpecsTesting.git
-        BOT_TOKEN="${botaccess}" .build/debug/spec-repo-builder --sdk-repo "${local_sdk_repo_dir}" --local-spec-repo-name "${local_repo}" --sdk-repo-name SpecsTesting --github-account Firebase --pod-sources 'https://${BOT_TOKEN}@github.com/Firebase/SpecsTesting' "https://github.com/firebase/SpecsDev.git" "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" --include-pods "${targeted_pod}" --keep-repo
+        # ${ALLOWWARNINGS:+--allow-warnings} will add --allow-warnings to the
+        # command if ${ALLOWWARNINGS} is not null.
+        BOT_TOKEN="${botaccess}" ${GITHUB_WORKSPACE}/scripts/third_party/travis/retry.sh .build/debug/spec-repo-builder \
+                                  --sdk-repo "${local_sdk_repo_dir}" \
+                                  --local-spec-repo-name "${local_repo}" \
+                                  --sdk-repo-name SpecsTesting \
+                                  --github-account Firebase \
+                                  --pod-sources 'https://${BOT_TOKEN}@github.com/Firebase/SpecsTesting' "https://github.com/firebase/SpecsDev.git" "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" \
+                                  --include-pods "${targeted_pod}" \
+                                  --keep-repo ${ALLOWWARNINGS:+--allow-warnings}
     - name: Clean Artifacts
       if: ${{ always() }}
       run: |
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 5d608c5d517..865a6c45b19 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -17,7 +17,7 @@ concurrency:
 jobs:
   specs_checking:
     # Don't run on private repo unless it is a PR.
-    if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
+    if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'workflow_dispatch'
     runs-on: macos-12
     env:
       bot_token_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
@@ -49,13 +49,13 @@ jobs:
          sdk_version_config="${GITHUB_WORKSPACE}/scripts/create_spec_repo/RC_firebase_sdk.textproto" \
          local_sdk_repo_dir="${local_sdk_repo_dir}" \
          podspec_repo_branch="${podspec_repo_branch}" \
-         scripts/release_testing_setup.sh prerelease_testing
+         scripts/release_testing_setup.sh release_testing
     - name: Clean spec repo
       run: |
          botaccess=`cat bot-access.txt`
          git clone --quiet https://"$botaccess"@github.com/FirebasePrivate/SpecsTesting.git "${local_repo}"
          cd "${local_repo}"
-         # Remove all unhided dirs, i.e. all podspec dir from the spec repo.
+         # Remove all unhidden dirs, i.e. all podspec dir from the spec repo.
          rm -Rf -- */
          git add .
          # commit without diff will throw an error. `git diff --exit-code` can avoid such error.
@@ -71,10 +71,47 @@ jobs:
         path: |
           ${{ env.local_sdk_repo_dir }}/*.podspec
           ${{ env.local_sdk_repo_dir }}/*.podspec.json
-  buildup_SpecsTesting_repo:
+  buildup_SpecsTesting_repo_FirebaseCore:
     needs: specs_checking
     # Don't run on private repo unless it is a PR.
-    if: (github.repository == 'Firebase/firebase-ios-sdk' && github.event_name == 'schedule') || github.event_name == 'pull_request' || github.event_name == 'workflow_dispatch'
+    if: github.repository == 'Firebase/firebase-ios-sdk'
+    runs-on: macos-12
+    env:
+      bot_token_secret: ${{ secrets.GHASecretsGPGPassphrase1 }}
+      local_repo: specstesting
+      local_sdk_repo_dir: /tmp/test/firebase-ios-sdk
+      targeted_pod: FirebaseCore
+    steps:
+    - uses: actions/checkout@v2
+    - uses: actions/download-artifact@v3
+      with:
+        name: firebase-ios-sdk
+        path: ${{ env.local_sdk_repo_dir }}
+    - name: Get token
+      run: |
+         scripts/decrypt_gha_secret.sh scripts/gha-encrypted/bot-access.txt.gpg \
+         bot-access.txt "$bot_token_secret"
+    - name: Update SpecsTesting repo
+      run: |
+        botaccess=`cat bot-access.txt`
+        cd scripts/create_spec_repo/
+        swift build
+        pod repo add --silent "${local_repo}" https://"$botaccess"@github.com/FirebasePrivate/SpecsTesting.git
+        BOT_TOKEN="${botaccess}" ${GITHUB_WORKSPACE}/scripts/third_party/travis/retry.sh .build/debug/spec-repo-builder \
+                                --sdk-repo "${local_sdk_repo_dir}" \
+                                --local-spec-repo-name "${local_repo}" \
+                                --pod-sources 'https://${BOT_TOKEN}@github.com/FirebasePrivate/SpecsTesting' "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" \
+                                --include-pods "${targeted_pod}" --keep-repo
+    - name: Clean Artifacts
+      if: ${{ always() }}
+      run: |
+        pod repo remove "${local_repo}"
+        rm -rf bot-access.txt
+
+  buildup_SpecsTesting_repo:
+    needs: [buildup_SpecsTesting_repo_FirebaseCore, specs_checking]
+    # Don't run on private repo unless it is a PR.
+    if: github.repository == 'Firebase/firebase-ios-sdk'
     runs-on: macos-12
     strategy:
       fail-fast: false
@@ -96,11 +133,19 @@ jobs:
          bot-access.txt "$bot_token_secret"
     - name: Update SpecsTesting repo
       run: |
+        [[ ${{ matrix.allowwarnings }} == true ]] && ALLOWWARNINGS=true
         botaccess=`cat bot-access.txt`
         cd scripts/create_spec_repo/
         swift build
         pod repo add --silent "${local_repo}" https://"$botaccess"@github.com/FirebasePrivate/SpecsTesting.git
-        BOT_TOKEN="${botaccess}"  .build/debug/spec-repo-builder --sdk-repo "${local_sdk_repo_dir}" --local-spec-repo-name "${local_repo}" --pod-sources 'https://${BOT_TOKEN}@github.com/FirebasePrivate/SpecsTesting' "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" --include-pods "${targeted_pod}" --keep-repo
+        # ${ALLOWWARNINGS:+--allow-warnings} will add --allow-warnings to the
+        # command if ${ALLOWWARNINGS} is not null.
+        BOT_TOKEN="${botaccess}" ${GITHUB_WORKSPACE}/scripts/third_party/travis/retry.sh .build/debug/spec-repo-builder \
+                                --sdk-repo "${local_sdk_repo_dir}" \
+                                --local-spec-repo-name "${local_repo}" \
+                                --pod-sources 'https://${BOT_TOKEN}@github.com/FirebasePrivate/SpecsTesting' "https://github.com/firebase/SpecsStaging.git" "https://github.com/CocoaPods/Specs.git" \
+                                --include-pods "${targeted_pod}" \
+                                --keep-repo ${ALLOWWARNINGS:+--allow-warnings}
     - name: Clean Artifacts
       if: ${{ always() }}
       run: |
diff --git a/ReleaseTooling/Sources/ManifestParser/GHAMatrixSpecCollector.swift b/ReleaseTooling/Sources/ManifestParser/GHAMatrixSpecCollector.swift
index 7f3bea8f96b..dcbbf31a140 100644
--- a/ReleaseTooling/Sources/ManifestParser/GHAMatrixSpecCollector.swift
+++ b/ReleaseTooling/Sources/ManifestParser/GHAMatrixSpecCollector.swift
@@ -25,6 +25,7 @@ import Utils
 /// ```
 struct SDKPodspec: Codable {
   let podspec: String
+  let allowWarnings: Bool
 }
 
 struct GHAMatrixSpecCollector {
@@ -32,18 +33,18 @@ struct GHAMatrixSpecCollector {
   var outputSpecFileURL: URL
   var excludedSDKs: [String] = []
 
-  func getPodsInManifest(_ manifest: Manifest) -> [String] {
-    var podsList: [String] = []
+  func getPodsInManifest(_ manifest: Manifest) -> [String: SDKPodspec] {
+    var podsMap: [String: SDKPodspec] = [:]
     for pod in manifest.pods {
-      podsList.append(pod.name)
+      podsMap[pod.name] = SDKPodspec(podspec: pod.name, allowWarnings: pod.allowWarnings)
     }
-    return podsList
+    return podsMap
   }
 
-  func getAllPodspecs() -> [String] {
-    var output: [String] = []
+  func getAllPodspecs() -> [SDKPodspec] {
+    var output: [SDKPodspec] = []
     let fileManager = FileManager.default
-    let podsSet = Set(getPodsInManifest(FirebaseManifest.shared))
+    let podsMap = getPodsInManifest(FirebaseManifest.shared)
     do {
       let fileURLs = try fileManager.contentsOfDirectory(
         at: SDKRepoURL,
@@ -53,8 +54,11 @@ struct GHAMatrixSpecCollector {
         let fileNameComponents = url.lastPathComponent.components(separatedBy: ".")
         if fileNameComponents.count > 1, fileNameComponents[1] == "podspec" {
           let specName = fileNameComponents[0]
-          podsSet.contains(specName) ? output
-            .append(specName) : print("\(specName) is not in manifiest")
+          if let spec = podsMap[specName] {
+            output.append(spec)
+          } else {
+            print("\(specName) is not in manifiest")
+          }
         }
       }
     } catch {
@@ -64,11 +68,7 @@ struct GHAMatrixSpecCollector {
   }
 
   func generateMatrixJson(to filePath: URL) throws {
-    let testingSpecs = getAllPodspecs()
-    var sdkPodspecs: [SDKPodspec] = []
-    for spec in testingSpecs {
-      sdkPodspecs.append(SDKPodspec(podspec: spec))
-    }
+    let sdkPodspecs: [SDKPodspec] = getAllPodspecs()
     // Trim whitespaces so the GitHub Actions matrix can read.
     let str = try String(
       decoding: JSONEncoder().encode(sdkPodspecs),
diff --git a/scripts/create_spec_repo/Sources/SpecRepoBuilder/main.swift b/scripts/create_spec_repo/Sources/SpecRepoBuilder/main.swift
index 15d42de8e9c..3c512598212 100644
--- a/scripts/create_spec_repo/Sources/SpecRepoBuilder/main.swift
+++ b/scripts/create_spec_repo/Sources/SpecRepoBuilder/main.swift
@@ -26,6 +26,9 @@ extension Constants {
   static let podSources = [
     "https://${BOT_TOKEN}@github.com/Firebase/SpecsTesting",
     "https://github.com/firebase/SpecsStaging.git",
+    // https://cdn.cocoapods.org is not used here since `--update-sources`
+    // will update spec repos before a spec is pushed, but cdn is not a spec
+    // repo.
     "https://github.com/CocoaPods/Specs.git",
   ]
 }
@@ -34,7 +37,6 @@ extension Constants {
 extension Constants {
   static let flags = [
     "--skip-tests",
-    "--allow-warnings",
     "--skip-import-validation",
     "--update-sources",
   ]
@@ -155,6 +157,9 @@ struct SpecRepoBuilder: ParsableCommand {
   @Flag(help: "Raise error while circular dependency detected.")
   var raiseCircularDepError: Bool = false
 
+  @Flag(help: "Allow warnings when push a spec.")
+  var allowWarnings: Bool = false
+
   // This will track down dependencies of pods and keep the sequence of
   // dependency installation in specFiles.depInstallOrder.
   func generateOrderOfInstallation(pods: [String], specFiles: SpecFiles,
@@ -265,7 +270,8 @@ struct SpecRepoBuilder: ParsableCommand {
   func pushPodspec(forPod pod: URL, sdkRepo: String, sources: [String],
                    flags: [String], shell: Shell = Shell.shared) throws -> Int32 {
     let sourcesArg = sources.joined(separator: ",")
-    let flagsArg = flags.joined(separator: " ")
+    let flagsArgArr = allowWarnings ?flags + ["--allow-warnings"] : flags
+    let flagsArg = flagsArgArr.joined(separator: " ")
 
     do {
       // Update the repo
diff --git a/scripts/release_testing_setup.sh b/scripts/release_testing_setup.sh
index ddb643be2c8..7fde6746917 100755
--- a/scripts/release_testing_setup.sh
+++ b/scripts/release_testing_setup.sh
@@ -37,12 +37,16 @@ test_version=$(git tag -l --sort=-version:refname CocoaPods-*[0-9] | head -n 1)
 git config --global user.email "google-oss-bot@example.com"
 git config --global user.name "google-oss-bot"
 git checkout "${podspec_repo_branch}"
+# Ensure the tag version including pod version to avoid warnings.
+# https://github.com/CocoaPods/Core/blob/e6451e172c33f3aa77a3f8baa7b6b5b8c3b5da14/lib/cocoapods-core/specification/linter.rb#L372-L374
+pod_testing_version=`echo "${test_version}" | sed "s/CocoaPods-//"`
 if [ "$TESTINGMODE" = "release_testing" ]; then
   git checkout "${test_version}"
   echo "Podspecs tags of Nightly release testing will be updated to ${test_version}."
   # Update source and tag, e.g.  ":tag => 'CocoaPods-' + s.version.to_s" to
   # ":tag => 'CocoaPods-7.9.0'"
-  sed  -i "" "s/\s*:tag.*/:tag => '${test_version}'/" *.podspec
+  sed -i "" "s/\s*:tag.*/:tag => '${test_version}'/" *.podspec
+  sed -i "" "s/s\.version[[:space:]]*=.*/s\.version='${pod_testing_version}'/" *.podspec
 elif [ "$TESTINGMODE" = "prerelease_testing" ]; then
   tag_version="${test_version}.nightly"
   echo "A new tag, ${tag_version},for prerelease testing will be created."
@@ -55,5 +59,6 @@ elif [ "$TESTINGMODE" = "prerelease_testing" ]; then
   git push origin "${tag_version}"
   # Update source and tag, e.g.  ":tag => 'CocoaPods-' + s.version.to_s" to
   # ":tag => ${test_version}.nightly"
-  sed  -i "" "s/\s*:tag.*/:tag => '${tag_version}'/" *.podspec
+  sed -i "" "s/\s*:tag.*/:tag => '${tag_version}'/" *.podspec
+  sed -i "" "s/s\.version[[:space:]]*=.*/s\.version='${pod_testing_version}'/" *.podspec
 fi