diff --git a/.github/workflows/add_identifiers.yml b/.github/workflows/add_identifiers.yml
index 6661ba30c9..3f9e6b7638 100644
--- a/.github/workflows/add_identifiers.yml
+++ b/.github/workflows/add_identifiers.yml
@@ -12,11 +12,11 @@ jobs:
   identifiers:
     name: Add Identifiers
     needs: validate
-    runs-on: macos-15
+    runs-on: macos-26
     steps:
       # Checks-out the repo
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       
       # Patch Fastlane Match to not print tables
       - name: Patch Match Tables
diff --git a/.github/workflows/build_loop.yml b/.github/workflows/build_loop.yml
index db33b8991b..fab987e7b3 100644
--- a/.github/workflows/build_loop.yml
+++ b/.github/workflows/build_loop.yml
@@ -90,7 +90,7 @@ jobs:
         if: |
           steps.workflow-permission.outputs.has_permission == 'true' &&
           (vars.SCHEDULED_BUILD != 'false' || vars.SCHEDULED_SYNC != 'false')
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.GH_PAT }}
 
@@ -100,7 +100,7 @@ jobs:
           steps.workflow-permission.outputs.has_permission == 'true' &&
           vars.SCHEDULED_SYNC != 'false' && github.repository_owner != 'LoopKit'
         id: sync
-        uses: aormsby/Fork-Sync-With-Upstream-action@v3.4.1
+        uses: aormsby/Fork-Sync-With-Upstream-action@v3.4.2
         with:
           target_sync_branch: ${{ env.TARGET_BRANCH }}
           shallow_since: 6 months ago
@@ -165,7 +165,7 @@ jobs:
   build:
     name: Build
     needs: [check_certs, check_status]
-    runs-on: macos-15
+    runs-on: macos-26
     permissions:
       contents: write
     if:
@@ -175,10 +175,10 @@ jobs:
         (vars.SCHEDULED_SYNC != 'false' && needs.check_status.outputs.NEW_COMMITS == 'true' )
     steps:
       - name: Select Xcode version
-        run: "sudo xcode-select --switch /Applications/Xcode_16.4.app/Contents/Developer"
+        run: "sudo xcode-select --switch /Applications/Xcode_26.2.app/Contents/Developer"
 
       - name: Checkout Repo for building
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
         with:
           token: ${{ secrets.GH_PAT }}
           submodules: recursive
@@ -255,7 +255,7 @@ jobs:
       # Upload Build artifacts
       - name: Upload build log, IPA and Symbol artifacts
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts
           path: |
diff --git a/.github/workflows/create_certs.yml b/.github/workflows/create_certs.yml
index d20001b2ca..a3cc89e077 100644
--- a/.github/workflows/create_certs.yml
+++ b/.github/workflows/create_certs.yml
@@ -22,14 +22,14 @@ jobs:
   create_certs:
     name: Certificates
     needs: validate
-    runs-on: macos-15
+    runs-on: macos-26
     outputs:
       new_certificate_needed: ${{ steps.set_output.outputs.new_certificate_needed }}
   
     steps:
       # Checks-out the repo
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
       
       # Patch Fastlane Match to not print tables
       - name: Patch Match Tables
@@ -63,7 +63,8 @@ jobs:
         id: set_output
         run: |
           CERT_STATUS_FILE="${{ github.workspace }}/fastlane/new_certificate_needed.txt"
-          ENABLE_NUKE_CERTS=${{ vars.ENABLE_NUKE_CERTS }}
+          ENABLE_NUKE_CERTS=$(echo "${{ vars.ENABLE_NUKE_CERTS }}" | tr '[:upper:]' '[:lower:]')
+          FORCE_NUKE_CERTS=$(echo "${{ vars.FORCE_NUKE_CERTS }}" | tr '[:upper:]' '[:lower:]')
           
           if [ -f "$CERT_STATUS_FILE" ]; then
             CERT_STATUS=$(cat "$CERT_STATUS_FILE" | tr -d '\n' | tr -d '\r') # Read file content and strip newlines
@@ -82,22 +83,22 @@ jobs:
             echo "::error::❌ No valid distribution certificate found. Automated renewal of certificates was skipped because the repository variable ENABLE_NUKE_CERTS is not set to 'true'."
             exit 1
           fi
-          # Check if vars.FORCE_NUKE_CERTS is not set to true
-          if [ vars.FORCE_NUKE_CERTS = "true" ]; then
+          # Check if FORCE_NUKE_CERTS is set to true
+          if [ "$FORCE_NUKE_CERTS" = "true" ]; then
             echo "::warning::‼️ Nuking of certificates was forced because the repository variable FORCE_NUKE_CERTS is set to 'true'."
           fi
   # Nuke Certs if needed, and if the repository variable ENABLE_NUKE_CERTS is set to 'true', or if FORCE_NUKE_CERTS is set to 'true', which will always force certs to be nuked
   nuke_certs:
       name: Nuke certificates
       needs: [validate, create_certs]
-      runs-on: macos-15
+      runs-on: macos-26
       if: ${{ (needs.create_certs.outputs.new_certificate_needed == 'true' && vars.ENABLE_NUKE_CERTS == 'true') || vars.FORCE_NUKE_CERTS == 'true' }}
       steps:
         - name: Output from step id 'check_certs'
           run: echo "new_certificate_needed=${{ needs.create_certs.outputs.new_certificate_needed }}"
 
         - name: Checkout repository
-          uses: actions/checkout@v4
+          uses: actions/checkout@v5
 
         - name: Install dependencies
           run: bundle install
diff --git a/.github/workflows/validate_secrets.yml b/.github/workflows/validate_secrets.yml
index f8d97c4f48..ea150c0c53 100644
--- a/.github/workflows/validate_secrets.yml
+++ b/.github/workflows/validate_secrets.yml
@@ -105,7 +105,7 @@ jobs:
   validate-fastlane-secrets:
     name: Fastlane
     needs: [validate-access-token]
-    runs-on: macos-15
+    runs-on: macos-26
     env:
       GH_PAT: ${{ secrets.GH_PAT }}
       GH_TOKEN: ${{ secrets.GH_PAT }}
@@ -116,7 +116,7 @@ jobs:
       TEAMID: ${{ secrets.TEAMID }}
     steps:
       - name: Checkout Repo
-        uses: actions/checkout@v4
+        uses: actions/checkout@v5
 
       - name: Install Project Dependencies
         run: bundle install
diff --git a/VersionOverride.xcconfig b/VersionOverride.xcconfig
index a960162062..b17045813b 100644
--- a/VersionOverride.xcconfig
+++ b/VersionOverride.xcconfig
@@ -8,5 +8,5 @@
 
 // Version [for DIY Loop]
 //   configure the version number in LoopWorkspace
-LOOP_MARKETING_VERSION = 3.13.0
+LOOP_MARKETING_VERSION = 3.13.1
 CURRENT_PROJECT_VERSION = 57