diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index c7206ec80..76217057c 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
   test-ubuntu-latest:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: make
       # Fail build if there are warnings
       # build with TLS just for compilation coverage
@@ -28,7 +28,7 @@ jobs:
   test-sanitizer-address:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: make
         # build with TLS module just for compilation coverage
         run: make SANITIZER=address REDIS_CFLAGS='-Werror -DDEBUG_ASSERTIONS' BUILD_TLS=module
@@ -43,7 +43,7 @@ jobs:
     runs-on: ubuntu-latest
     container: debian:buster
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: make
       run: |
         apt-get update && apt-get install -y build-essential
@@ -52,14 +52,14 @@ jobs:
   build-macos-latest:
     runs-on: macos-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: make
       run: make REDIS_CFLAGS='-Werror'
 
   build-32bit:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: make
       run: |
         sudo apt-get update && sudo apt-get install libc6-dev-i386
@@ -68,21 +68,34 @@ jobs:
   build-libc-malloc:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: make
       run: make REDIS_CFLAGS='-Werror' MALLOC=libc
 
-  build-centos7-jemalloc:
+  build-centos-jemalloc:
     runs-on: ubuntu-latest
-    container: centos:7
+    container: quay.io/centos/centos:stream9
     steps:
-    - uses: actions/checkout@v3
-    - name: fix centos7 EOL
-      run: |
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
-        sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
+    - uses: actions/checkout@v4
     - name: make
       run: |
-        yum -y install gcc make
+        dnf -y install which gcc make
         make REDIS_CFLAGS='-Werror'
 
+  build-old-chain-jemalloc:
+    runs-on: ubuntu-latest
+    container: ubuntu:20.04
+    steps:
+    - uses: actions/checkout@v4
+    - name: make
+      run: |
+        apt-get update
+        apt-get install -y gnupg2
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+        apt-get update
+        apt-get install -y make gcc-4.8
+        update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100
+        make CC=gcc REDIS_CFLAGS='-Werror'
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index fc92dec21..c5411b96c 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -19,7 +19,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Initialize CodeQL
       uses: github/codeql-action/init@v3
diff --git a/.github/workflows/daily.yml b/.github/workflows/daily.yml
index d16dc2a7e..57bc4ecfd 100644
--- a/.github/workflows/daily.yml
+++ b/.github/workflows/daily.yml
@@ -11,7 +11,7 @@ on:
     inputs:
       skipjobs:
         description: 'jobs to skip (delete the ones you wanna keep, do not leave empty)'
-        default: 'valgrind,sanitizer,tls,freebsd,macos,alpine,32bit,iothreads,ubuntu,centos,malloc,specific,fortify,reply-schema'
+        default: 'valgrind,sanitizer,tls,freebsd,macos,alpine,32bit,iothreads,ubuntu,centos,malloc,specific,fortify,reply-schema,oldTC'
       skiptests:
         description: 'tests to skip (delete the ones you wanna keep, do not leave empty)'
         default: 'redis,modules,sentinel,cluster,unittest'
@@ -47,7 +47,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -88,7 +88,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -131,7 +131,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -168,7 +168,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -205,7 +205,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -249,7 +249,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -293,7 +293,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -337,7 +337,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -369,7 +369,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -447,7 +447,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -477,7 +477,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -512,7 +512,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -542,7 +542,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -582,7 +582,7 @@ jobs:
           echo "skiptests: ${{github.event.inputs.skiptests}}"
           echo "test_args: ${{github.event.inputs.test_args}}"
           echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: ${{ env.GITHUB_REPOSITORY }}
           ref: ${{ env.GITHUB_HEAD_REF }}
@@ -629,7 +629,7 @@ jobs:
           echo "skiptests: ${{github.event.inputs.skiptests}}"
           echo "test_args: ${{github.event.inputs.test_args}}"
           echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           repository: ${{ env.GITHUB_REPOSITORY }}
           ref: ${{ env.GITHUB_HEAD_REF }}
@@ -655,12 +655,12 @@ jobs:
         if: true && !contains(github.event.inputs.skiptests, 'unittest')
         run: ./src/redis-server test all --accurate
 
-  test-centos7-jemalloc:
+  test-centos-jemalloc:
     runs-on: ubuntu-latest
     if: |
       (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
       !contains(github.event.inputs.skipjobs, 'centos')
-    container: centos:7
+    container: quay.io/centos/centos:stream9
     timeout-minutes: 14400
     steps:
     - name: prep
@@ -672,20 +672,18 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
-    - name: fix centos7 EOL
-      run: |
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
-        sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
     - name: make
       run: |
-        yum -y install gcc make
+        dnf -y install which gcc make
         make REDIS_CFLAGS='-Werror'
     - name: testprep
-      run: yum -y install which tcl tclx
+      run: |
+        dnf -y install epel-release
+        dnf -y install tcl tcltls procps-ng /usr/bin/kill
     - name: test
       if: true && !contains(github.event.inputs.skiptests, 'redis')
       run: ./runtest --accurate --verbose --dump-logs ${{github.event.inputs.test_args}}
@@ -699,12 +697,12 @@ jobs:
       if: true && !contains(github.event.inputs.skiptests, 'cluster')
       run: ./runtest-cluster ${{github.event.inputs.cluster_test_args}}
 
-  test-centos7-tls-module:
+  test-centos-tls-module:
     runs-on: ubuntu-latest
     if: |
       (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
       !contains(github.event.inputs.skipjobs, 'tls')
-    container: centos:7
+    container: quay.io/centos/centos:stream9
     timeout-minutes: 14400
     steps:
     - name: prep
@@ -716,26 +714,18 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
-    - name: fix centos7 EOL
-      run: |
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
-        sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
-        yum -y install centos-release-scl epel-release
-        yum clean all
-        rm -rf /var/cache/yum/*
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-SCLo*.repo
-        sed -i -r 's|# ?baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-SCLo*.repo
     - name: make
       run: |
-        yum -y install devtoolset-7 openssl-devel openssl
-        scl enable devtoolset-7 "make BUILD_TLS=module REDIS_CFLAGS='-Werror'"
+        dnf -y install which gcc make openssl-devel openssl
+        make BUILD_TLS=module REDIS_CFLAGS='-Werror'
     - name: testprep
       run: |
-        yum -y install tcl tcltls tclx
+        dnf -y install epel-release
+        dnf -y install tcl tcltls procps-ng /usr/bin/kill
         ./utils/gen-test-certs.sh
     - name: test
       if: true && !contains(github.event.inputs.skiptests, 'redis')
@@ -754,12 +744,12 @@ jobs:
       run: |
         ./runtest-cluster --tls-module ${{github.event.inputs.cluster_test_args}}
 
-  test-centos7-tls-module-no-tls:
+  test-centos-tls-module-no-tls:
     runs-on: ubuntu-latest
     if: |
       (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
       !contains(github.event.inputs.skipjobs, 'tls')
-    container: centos:7
+    container: quay.io/centos/centos:stream9
     timeout-minutes: 14400
     steps:
     - name: prep
@@ -771,26 +761,18 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
-    - name: fix centos7 EOL
-      run: |
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
-        sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*
-        yum -y install centos-release-scl epel-release
-        yum clean all
-        rm -rf /var/cache/yum/*
-        sed -i 's/^mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-SCLo*.repo
-        sed -i -r 's|# ?baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-SCLo*.repo
     - name: make
       run: |
-        yum -y install devtoolset-7 openssl-devel openssl
-        scl enable devtoolset-7 "make BUILD_TLS=module REDIS_CFLAGS='-Werror'"
+        dnf -y install which gcc make openssl-devel openssl
+        make BUILD_TLS=module REDIS_CFLAGS='-Werror'
     - name: testprep
       run: |
-        yum -y install tcl tcltls tclx
+        dnf -y install epel-release
+        dnf -y install tcl tcltls procps-ng /usr/bin/kill
         ./utils/gen-test-certs.sh
     - name: test
       if: true && !contains(github.event.inputs.skiptests, 'redis')
@@ -825,7 +807,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -854,7 +836,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -880,7 +862,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -912,7 +894,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -931,7 +913,7 @@ jobs:
       run: |
         echo "GITHUB_REPOSITORY=${{github.event.inputs.use_repo}}" >> $GITHUB_ENV
         echo "GITHUB_HEAD_REF=${{github.event.inputs.use_git_ref}}" >> $GITHUB_ENV
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -963,7 +945,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -1002,7 +984,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -1041,7 +1023,7 @@ jobs:
         echo "skiptests: ${{github.event.inputs.skiptests}}"
         echo "test_args: ${{github.event.inputs.test_args}}"
         echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         repository: ${{ env.GITHUB_REPOSITORY }}
         ref: ${{ env.GITHUB_HEAD_REF }}
@@ -1068,3 +1050,158 @@ jobs:
     - name: validator
       run: ./utils/req-res-log-validator.py --verbose --fail-missing-reply-schemas ${{ (!contains(github.event.inputs.skiptests, 'redis') && !contains(github.event.inputs.skiptests, 'module') && !contains(github.event.inputs.sentinel, 'redis') && !contains(github.event.inputs.skiptests, 'cluster')) && github.event.inputs.test_args == '' && github.event.inputs.cluster_test_args == '' && '--fail-commands-not-all-hit' || '' }}
 
+  test-old-chain-jemalloc:
+    runs-on: ubuntu-latest
+    if: |
+      (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
+      !contains(github.event.inputs.skipjobs, 'oldTC')
+    container: ubuntu:20.04
+    timeout-minutes: 14400
+    steps:
+    - name: prep
+      if: github.event_name == 'workflow_dispatch'
+      run: |
+        echo "GITHUB_REPOSITORY=${{github.event.inputs.use_repo}}" >> $GITHUB_ENV
+        echo "GITHUB_HEAD_REF=${{github.event.inputs.use_git_ref}}" >> $GITHUB_ENV
+        echo "skipjobs: ${{github.event.inputs.skipjobs}}"
+        echo "skiptests: ${{github.event.inputs.skiptests}}"
+        echo "test_args: ${{github.event.inputs.test_args}}"
+        echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
+    - uses: actions/checkout@v4
+      with:
+        repository: ${{ env.GITHUB_REPOSITORY }}
+        ref: ${{ env.GITHUB_HEAD_REF }}
+    - name: make
+      run: |
+        apt-get update
+        apt-get install -y gnupg2
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+        apt-get update
+        apt-get install -y make gcc-4.8
+        update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100
+        make CC=gcc REDIS_CFLAGS='-Werror'
+    - name: testprep
+      run: apt-get install -y tcl tcltls tclx
+    - name: test
+      if: true && !contains(github.event.inputs.skiptests, 'redis')
+      run: ./runtest --accurate --verbose --dump-logs ${{github.event.inputs.test_args}}
+    - name: module api test
+      if: true && !contains(github.event.inputs.skiptests, 'modules')
+      run: CFLAGS='-Werror' ./runtest-moduleapi --verbose --dump-logs ${{github.event.inputs.test_args}}
+    - name: sentinel tests
+      if: true && !contains(github.event.inputs.skiptests, 'sentinel')
+      run: ./runtest-sentinel ${{github.event.inputs.cluster_test_args}}
+    - name: cluster tests
+      if: true && !contains(github.event.inputs.skiptests, 'cluster')
+      run: ./runtest-cluster ${{github.event.inputs.cluster_test_args}}
+
+  test-old-chain-tls-module:
+    runs-on: ubuntu-latest
+    if: |
+      (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
+      !contains(github.event.inputs.skipjobs, 'tls') && !contains(github.event.inputs.skipjobs, 'oldTC')
+    container: ubuntu:20.04
+    timeout-minutes: 14400
+    steps:
+    - name: prep
+      if: github.event_name == 'workflow_dispatch'
+      run: |
+        echo "GITHUB_REPOSITORY=${{github.event.inputs.use_repo}}" >> $GITHUB_ENV
+        echo "GITHUB_HEAD_REF=${{github.event.inputs.use_git_ref}}" >> $GITHUB_ENV
+        echo "skipjobs: ${{github.event.inputs.skipjobs}}"
+        echo "skiptests: ${{github.event.inputs.skiptests}}"
+        echo "test_args: ${{github.event.inputs.test_args}}"
+        echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
+    - uses: actions/checkout@v4
+      with:
+        repository: ${{ env.GITHUB_REPOSITORY }}
+        ref: ${{ env.GITHUB_HEAD_REF }}
+    - name: make
+      run: |
+        apt-get update
+        apt-get install -y gnupg2
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+        apt-get update
+        apt-get install -y make gcc-4.8 openssl libssl-dev
+        update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100
+        make CC=gcc BUILD_TLS=module REDIS_CFLAGS='-Werror'
+    - name: testprep
+      run: |
+        apt-get install -y tcl tcltls tclx
+        ./utils/gen-test-certs.sh
+    - name: test
+      if: true && !contains(github.event.inputs.skiptests, 'redis')
+      run: |
+        ./runtest --accurate --verbose --dump-logs --tls-module --dump-logs ${{github.event.inputs.test_args}}
+    - name: module api test
+      if: true && !contains(github.event.inputs.skiptests, 'modules')
+      run: |
+        CFLAGS='-Werror' ./runtest-moduleapi --verbose --dump-logs --tls-module --dump-logs ${{github.event.inputs.test_args}}
+    - name: sentinel tests
+      if: true && !contains(github.event.inputs.skiptests, 'sentinel')
+      run: |
+        ./runtest-sentinel ${{github.event.inputs.cluster_test_args}}
+    - name: cluster tests
+      if: true && !contains(github.event.inputs.skiptests, 'cluster')
+      run: |
+        ./runtest-cluster --tls-module ${{github.event.inputs.cluster_test_args}}
+
+  test-old-chain-tls-module-no-tls:
+    runs-on: ubuntu-latest
+    if: |
+      (github.event_name == 'workflow_dispatch' || (github.event_name != 'workflow_dispatch' && github.repository == 'redis/redis')) &&
+      !contains(github.event.inputs.skipjobs, 'tls') && !contains(github.event.inputs.skipjobs, 'oldTC')
+    container: ubuntu:20.04
+    timeout-minutes: 14400
+    steps:
+    - name: prep
+      if: github.event_name == 'workflow_dispatch'
+      run: |
+        echo "GITHUB_REPOSITORY=${{github.event.inputs.use_repo}}" >> $GITHUB_ENV
+        echo "GITHUB_HEAD_REF=${{github.event.inputs.use_git_ref}}" >> $GITHUB_ENV
+        echo "skipjobs: ${{github.event.inputs.skipjobs}}"
+        echo "skiptests: ${{github.event.inputs.skiptests}}"
+        echo "test_args: ${{github.event.inputs.test_args}}"
+        echo "cluster_test_args: ${{github.event.inputs.cluster_test_args}}"
+    - uses: actions/checkout@v4
+      with:
+        repository: ${{ env.GITHUB_REPOSITORY }}
+        ref: ${{ env.GITHUB_HEAD_REF }}
+    - name: make
+      run: |
+        apt-get update
+        apt-get install -y gnupg2 
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial main" >> /etc/apt/sources.list
+        echo "deb http://dk.archive.ubuntu.com/ubuntu/ xenial universe" >> /etc/apt/sources.list
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 40976EAF437D05B5
+        apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 3B4FE6ACC0B21F32
+        apt-get update
+        apt-get install -y make gcc-4.8 openssl libssl-dev
+        update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-4.8 100
+        make BUILD_TLS=module CC=gcc REDIS_CFLAGS='-Werror'
+    - name: testprep
+      run: |
+        apt-get install -y tcl tcltls tclx
+        ./utils/gen-test-certs.sh
+    - name: test
+      if: true && !contains(github.event.inputs.skiptests, 'redis')
+      run: |
+        ./runtest --accurate --verbose --dump-logs ${{github.event.inputs.test_args}}
+    - name: module api test
+      if: true && !contains(github.event.inputs.skiptests, 'modules')
+      run: |
+        CFLAGS='-Werror' ./runtest-moduleapi --verbose --dump-logs ${{github.event.inputs.test_args}}
+    - name: sentinel tests
+      if: true && !contains(github.event.inputs.skiptests, 'sentinel')
+      run: |
+        ./runtest-sentinel ${{github.event.inputs.cluster_test_args}}
+    - name: cluster tests
+      if: true && !contains(github.event.inputs.skiptests, 'cluster')
+      run: |
+        ./runtest-cluster ${{github.event.inputs.cluster_test_args}}
diff --git a/.github/workflows/external.yml b/.github/workflows/external.yml
index 0c884053b..999f63f00 100644
--- a/.github/workflows/external.yml
+++ b/.github/workflows/external.yml
@@ -12,7 +12,7 @@ jobs:
     if: github.event_name != 'schedule' || github.repository == 'redis/redis'
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build
       run: make REDIS_CFLAGS=-Werror
     - name: Start redis-server
@@ -37,7 +37,7 @@ jobs:
     if: github.event_name != 'schedule' || github.repository == 'redis/redis'
     timeout-minutes: 14400
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - name: Build
       run: make REDIS_CFLAGS=-Werror
     - name: Start redis-server
@@ -65,7 +65,7 @@ jobs:
     if: github.event_name != 'schedule' || github.repository == 'redis/redis'
     timeout-minutes: 14400
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Build
         run: make REDIS_CFLAGS=-Werror
       - name: Start redis-server
diff --git a/.github/workflows/reply-schemas-linter.yml b/.github/workflows/reply-schemas-linter.yml
index 6893bb3dc..a57a97ab3 100644
--- a/.github/workflows/reply-schemas-linter.yml
+++ b/.github/workflows/reply-schemas-linter.yml
@@ -12,7 +12,7 @@ jobs:
   reply-schemas-linter:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Setup nodejs
         uses: actions/setup-node@v4
       - name: Install packages
diff --git a/.github/workflows/spell-check.yml b/.github/workflows/spell-check.yml
index 77f5437ca..2f9cf9cce 100644
--- a/.github/workflows/spell-check.yml
+++ b/.github/workflows/spell-check.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: pip cache
         uses: actions/cache@v4