diff --git a/.github/scripts/update-distro-download-page.sh b/.github/scripts/update-distro-download-page.sh
index 3e45c82d5..ab8f3bf9e 100755
--- a/.github/scripts/update-distro-download-page.sh
+++ b/.github/scripts/update-distro-download-page.sh
@@ -23,4 +23,4 @@ do
 done
 echo '</ul>' >> $downloads_html
 cat ./$downloads_html
-aws s3 mv ./$downloads_html s3://${s3_bucket}/${build_type}/STS4/ --no-progress
+aws s3 mv ./$downloads_html s3://${s3_bucket}/${build_type}/STS4/ --no-progress --checksum-algorithm CRC32
diff --git a/.github/workflows/aggregate-distro-update-sites.yml b/.github/workflows/aggregate-distro-update-sites.yml
index 2f908361a..e9c4ef13a 100644
--- a/.github/workflows/aggregate-distro-update-sites.yml
+++ b/.github/workflows/aggregate-distro-update-sites.yml
@@ -37,12 +37,6 @@ jobs:
     outputs:
       invalid_urls: ${{ steps.gen-aggregate-sites.outputs.invalid_urls }}
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -75,19 +69,19 @@ jobs:
               cat ./compositeArtifacts.xml
               cat ./compositeContent.xml
               if [[ ${dir_name} == ${{ inputs.latest }} ]]; then
-                aws s3 cp ./compositeArtifacts.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/
+                aws s3 cp ./compositeArtifacts.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/ --checksum-algorithm CRC32
                 invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/latest/compositeArtifacts.xml "
-                aws s3 cp ./compositeContent.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/
+                aws s3 cp ./compositeContent.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/ --checksum-algorithm CRC32
                 invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/latest/compositeContent.xml "
-                aws s3 cp ./p2.index s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/
+                aws s3 cp ./p2.index s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/latest/ --checksum-algorithm CRC32
                 invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/latest/p2.index "
                 echo "TODO: Purge Cache"
               fi
-              aws s3 mv ./compositeArtifacts.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir}
+              aws s3 mv ./compositeArtifacts.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir} --checksum-algorithm CRC32
               invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/${dir_name}/compositeArtifacts.xml "
-              aws s3 mv ./compositeContent.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir}
+              aws s3 mv ./compositeContent.xml s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir} --checksum-algorithm CRC32
               invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/${dir_name}/compositeContent.xml "
-              aws s3 mv ./p2.index s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir}
+              aws s3 mv ./p2.index s3://${AWS_S3_BUCKET}/release/TOOLS/sts4/update/${dir} --checksum-algorithm CRC32
               invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4/update/${dir_name}/p2.index "
             fi
           done
diff --git a/.github/workflows/aggregate-ls-extensions-update-site.yml b/.github/workflows/aggregate-ls-extensions-update-site.yml
index 03f37dd42..175c51c03 100644
--- a/.github/workflows/aggregate-ls-extensions-update-site.yml
+++ b/.github/workflows/aggregate-ls-extensions-update-site.yml
@@ -23,12 +23,6 @@ jobs:
     outputs:
       invalid_urls: ${{ steps.gen-aggregate-sites.outputs.invalid_urls }}
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -45,11 +39,11 @@ jobs:
           ${{ github.workspace }}/.github/scripts/generate-composite-site-files.sh ${{ steps.timestamp.outputs.date }} $site_url
           cat ./compositeArtifacts.xml
           cat ./compositeContent.xml
-          aws s3 cp ./compositeArtifacts.xml s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/
+          aws s3 cp ./compositeArtifacts.xml s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/ --checksum-algorithm CRC32
           invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4-language-server-integrations/compositeArtifacts.xml "
-          aws s3 cp ./compositeContent.xml s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/
+          aws s3 cp ./compositeContent.xml s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/ --checksum-algorithm CRC32
           invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4-language-server-integrations/compositeContent.xml "
-          aws s3 cp ./p2.index s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/
+          aws s3 cp ./p2.index s3://$AWS_S3_BUCKET/release/TOOLS/sts4-language-server-integrations/ --checksum-algorithm CRC32
           invalid_urls+="${DOWNLOAD_URL_ROOT}/release/TOOLS/sts4-language-server-integrations/p2.index"
           echo "invalid_urls=$invalid_urls" >> $GITHUB_OUTPUT
       - uses: ./.github/actions/cloudflare-purge
diff --git a/.github/workflows/backup-eclipse-releases-to-gcp.yml b/.github/workflows/backup-eclipse-releases-to-gcp.yml
index 4fc9a7a2b..ab8a17718 100644
--- a/.github/workflows/backup-eclipse-releases-to-gcp.yml
+++ b/.github/workflows/backup-eclipse-releases-to-gcp.yml
@@ -36,12 +36,6 @@ jobs:
     runs-on: ubuntu-latest
     name: Backup Eclipse releases for version '${{ inputs.release_version }}'
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Authenticate to GCP
         run: |
           echo '${{ secrets.CDN_SPRING_IO_BACKUP_GCP_BUCKET_JSON }}' > ./gcp.json
diff --git a/.github/workflows/cloudflare-clear-cache-s3-dir.yml b/.github/workflows/cloudflare-clear-cache-s3-dir.yml
index b00c32def..c10b6019e 100644
--- a/.github/workflows/cloudflare-clear-cache-s3-dir.yml
+++ b/.github/workflows/cloudflare-clear-cache-s3-dir.yml
@@ -28,12 +28,6 @@ jobs:
   clear-cache-s3-dir:
     runs-on: ubuntu-latest
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Prepare URLs
         id: prepare-urls
         run: |
diff --git a/.github/workflows/eclipse-ls-extensions-build.yml b/.github/workflows/eclipse-ls-extensions-build.yml
index 3684dacd9..ab08de83b 100644
--- a/.github/workflows/eclipse-ls-extensions-build.yml
+++ b/.github/workflows/eclipse-ls-extensions-build.yml
@@ -40,12 +40,6 @@ jobs:
     outputs:
       invalid_urls: ${{ steps.compute-invalid-urls.outputs.invalid_urls }}
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -94,7 +88,7 @@ jobs:
           echo "p2_path=$p2_path" >> $GITHUB_OUTPUT
           echo "P2 path: ${p2_path}"
           aws s3 rm s3://$AWS_S3_BUCKET/${p2_path}/ --recursive
-          aws s3 cp ${{ github.workspace }}/eclipse-language-servers/org.springframework.tooling.ls.integration.repository/target/repository/ s3://$AWS_S3_BUCKET/${p2_path}/ --recursive --no-progress
+          aws s3 cp ${{ github.workspace }}/eclipse-language-servers/org.springframework.tooling.ls.integration.repository/target/repository/ s3://$AWS_S3_BUCKET/${p2_path}/ --recursive --no-progress --checksum-algorithm CRC32
       - name: Compute invalid URLs
         if: ${{ inputs.build_type != 'snapshot' }}
         id: compute-invalid-urls
diff --git a/.github/workflows/gh-hosted-eclipse-distro-build.yml b/.github/workflows/gh-hosted-eclipse-distro-build.yml
index 6abf16552..c4f426c1f 100644
--- a/.github/workflows/gh-hosted-eclipse-distro-build.yml
+++ b/.github/workflows/gh-hosted-eclipse-distro-build.yml
@@ -41,12 +41,6 @@ jobs:
   eclipse-distro-build:
     runs-on: ubuntu-latest
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -113,7 +107,7 @@ jobs:
           p2_path=${{ steps.s3-paths.outputs.p2_path }}
           echo "P2 path: ${p2_path}"
           aws s3 rm s3://$AWS_S3_BUCKET/$p2_path/ --recursive
-          aws s3 cp ./repository/ s3://$AWS_S3_BUCKET/$p2_path/ --recursive --no-progress
+          aws s3 cp ./repository/ s3://$AWS_S3_BUCKET/$p2_path/ --recursive --no-progress --checksum-algorithm CRC32
       - name: Upload Linux Distro Build Artifacts
         run: |
           cd eclipse-distribution/org.springframework.boot.ide.product.${{ inputs.eclipse_profile }}/target/products
@@ -138,7 +132,7 @@ jobs:
           echo "Removing old Linux .tar.gz files from s3..."
           aws s3 rm s3://$AWS_S3_BUCKET/$dist_path --recursive --exclude "*" --include "spring-tool-suite-4*linux*.tar.gz*" --exclude "*/*"
           echo "Uploading new Linux .tar.gz files to s3..."
-          aws s3 cp . s3://$AWS_S3_BUCKET/$dist_path --recursive --exclude "*" --include "spring-tool-suite-4*linux*.tar.gz*" --exclude "*/*" --no-progress
+          aws s3 cp . s3://$AWS_S3_BUCKET/$dist_path --recursive --exclude "*" --include "spring-tool-suite-4*linux*.tar.gz*" --exclude "*/*" --no-progress --checksum-algorithm CRC32
       - name: Update Nightly Distro Downloads page
         if: ${{ inputs.build_type == 'snapshot' }}
         run: |
@@ -149,7 +143,7 @@ jobs:
         run: |
           echo "Uploading Win Zips and OSX tar.gz to S3 for signing..."
           id=${{ inputs.eclipse_profile }}-${{ inputs.build_type }}-${{ github.run_id }}
-          aws s3 cp ${{ github.workspace }}/eclipse-distribution/org.springframework.boot.ide.product.${{ inputs.eclipse_profile }}/target/products s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/$id --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip" --include "spring-tool-suite-4*macosx*.tar.gz" --exclude "*/*" --no-progress
+          aws s3 cp ${{ github.workspace }}/eclipse-distribution/org.springframework.boot.ide.product.${{ inputs.eclipse_profile }}/target/products s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/$id --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip" --include "spring-tool-suite-4*macosx*.tar.gz" --exclude "*/*" --no-progress --checksum-algorithm CRC32
     outputs:
       id: ${{ inputs.eclipse_profile }}-${{ inputs.build_type }}-${{ github.run_id }}
       dist_path: ${{ steps.s3-paths.outputs.dist_path }}
@@ -160,12 +154,6 @@ jobs:
     needs: [ eclipse-distro-build ]
     runs-on: ubuntu-latest
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -175,7 +163,7 @@ jobs:
           rm -f spring-tool-suite-4*win*.zip*
           rm -f spring-tool-suite-4*win*.self-extracting.jar*
           ls
-          aws s3 mv s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/${{ needs.eclipse-distro-build.outputs.id }} . --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip*" --exclude "*/*" --no-progress
+          aws s3 mv s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/${{ needs.eclipse-distro-build.outputs.id }} . --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip*" --exclude "*/*" --no-progress --checksum-algorithm CRC32
       - name: Sign EXE within zip files
         id: sign
         run: |
@@ -205,7 +193,7 @@ jobs:
           echo "Removing old win zip and self extracting jar files from S3..."
           aws s3 rm s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip*" --include "spring-tool-suite-4*win*.self-extracting.jar*" --exclude "*/*"
           echo "Uploading new win zip and self extracting jar files to S3..."
-          aws s3 mv . s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip*" --include "spring-tool-suite-4*win*.self-extracting.jar*" --exclude "*/*" --no-progress
+          aws s3 mv . s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*win*.zip*" --include "spring-tool-suite-4*win*.self-extracting.jar*" --exclude "*/*" --no-progress --checksum-algorithm CRC32
       - name: Update Nightly Distro Downloads page
         if: ${{ inputs.build_type == 'snapshot' }}
         run: |
@@ -218,11 +206,6 @@ jobs:
     needs: [ eclipse-distro-build ]
     runs-on: macos-15
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/AWSCLIV2-2.22.35.pkg" -o "awscliv2.pkg"
-          sudo installer -pkg ./awscliv2.pkg -target /
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -254,7 +237,7 @@ jobs:
         run: |
           rm -rf *macosx*
           ls
-          aws s3 mv s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/${{ needs.eclipse-distro-build.outputs.id }} . --recursive --exclude "*" --include "spring-tool-suite-4*macosx*.tar.gz" --exclude "*/*" --no-progress
+          aws s3 mv s3://$AWS_S3_BUCKET/sts4-distro-ci-temp/${{ needs.eclipse-distro-build.outputs.id }} . --recursive --exclude "*" --include "spring-tool-suite-4*macosx*.tar.gz" --exclude "*/*" --no-progress --checksum-algorithm CRC32
       - name: Sign .app, Create and Sign DMG
         env:
           MACOS_CERTIFICATE_ID: ${{ secrets.MACOS_CERTIFICATE_ID }}
@@ -298,7 +281,7 @@ jobs:
           echo "Removing old dmg files from S3..."
           aws s3 rm s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*macosx*.dmg*" --exclude "*/*"
           echo "Uploading new dmg files to S3..."
-          aws s3 mv . s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*macosx*.dmg*" --exclude "*/*" --no-progress
+          aws s3 mv . s3://$AWS_S3_BUCKET/${dist_path} --recursive --exclude "*" --include "spring-tool-suite-4*macosx*.dmg*" --exclude "*/*" --no-progress --checksum-algorithm CRC32
       - name: Update Nightly Distro Downloads page
         if: ${{ inputs.build_type == 'snapshot' && always() }}
         run: |
@@ -316,12 +299,6 @@ jobs:
     if: ${{ always() && inputs.build_type != 'snapshot' && contains(join(needs.*.result, ','), 'success')}}
     runs-on: ubuntu-latest
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
         with:
           sparse-checkout: |
@@ -355,7 +332,7 @@ jobs:
           downloads_html="sts4-distro-downloads-${{ inputs.eclipse_profile }}.txt"
           rm -f ./downloads_html
           s3_url=s3://${AWS_S3_BUCKET}/${{ needs.eclipse-distro-build.outputs.dist_path }}
-          files=`aws s3 cp ${s3_url} . --recursive --exclude "*" --include "spring-tool-suite-4*.zip" --include "spring-tool-suite-4*.dmg" --include "spring-tool-suite-4*.self-extracting.jar" --include "spring-tool-suite-4*.tar.gz" --exclude "*/*" --dryrun`
+          files=`aws s3 cp ${s3_url} . --recursive --exclude "*" --include "spring-tool-suite-4*.zip" --include "spring-tool-suite-4*.dmg" --include "spring-tool-suite-4*.self-extracting.jar" --include "spring-tool-suite-4*.tar.gz" --exclude "*/*" --dryrun --checksum-algorithm CRC32`
           s3_url_prefix="s3://${AWS_S3_BUCKET}"
           s3_url_prefix_length=${#s3_url_prefix}
           for file in $files
@@ -415,20 +392,13 @@ jobs:
     if: ${{ always() }}
     runs-on: ubuntu-latest
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Remove Temp Build Artifacts from S3
         id: cleanup-s3-temp-storage
         run: |
           aws s3 rm s3://$AWS_S3_BUCKET/sts4-distro-ci-temp --recursive --exclude "*" --include "${{ needs.eclipse-distro-build.outputs.id }}/*"
 
   notify-failure:
-#    needs: [ eclipse-distro-build, sign-win-distros, sign-osx-distros, cleanup, purge_cache ]
-    needs: [ eclipse-distro-build, sign-osx-distros, cleanup, purge_cache ]
+    needs: [ eclipse-distro-build, sign-win-distros, sign-osx-distros, cleanup, purge_cache ]
     if: ${{ always() && contains(needs.*.result, 'failure') }}
     uses: ./.github/workflows/notify-failed.yml
     with:
diff --git a/.github/workflows/release-vscode-extension.yml b/.github/workflows/release-vscode-extension.yml
index 6566df402..7fdd655c6 100644
--- a/.github/workflows/release-vscode-extension.yml
+++ b/.github/workflows/release-vscode-extension.yml
@@ -32,12 +32,6 @@ jobs:
     runs-on: ubuntu-latest
     name: Release Build and Upload VSCode Extension '${{ inputs.extension-name }}'
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Checkout vscode-extension '${{ inputs.extension-name }}'
         uses: actions/checkout@v4
       - name: Record Extension Version
@@ -81,7 +75,7 @@ jobs:
           s3_path=release/vscode-extensions/${{ inputs.extension-name }}/${{ steps.version.outputs.version }}
           echo "S3 path: ${s3_path}"
           aws s3 rm s3://$AWS_S3_BUCKET/$s3_path/ --recursive
-          aws s3 cp ./vsix/$vsix_file s3://$AWS_S3_BUCKET/$s3_path/${{ steps.version.outputs.release_name }}.vsix --no-progress
+          aws s3 cp ./vsix/$vsix_file s3://$AWS_S3_BUCKET/$s3_path/${{ steps.version.outputs.release_name }}.vsix --no-progress --checksum-algorithm CRC32
           echo "s3_url=${DOWNLOAD_URL_ROOT}/$s3_path/${{ steps.version.outputs.release_name }}.vsix" >> $GITHUB_OUTPUT
 #      - id: tools-team-slack
 #        uses: slackapi/slack-github-action@v1.26
diff --git a/.github/workflows/snapshot-vscode-extension.yml b/.github/workflows/snapshot-vscode-extension.yml
index fa4b64828..46a4910c1 100644
--- a/.github/workflows/snapshot-vscode-extension.yml
+++ b/.github/workflows/snapshot-vscode-extension.yml
@@ -27,12 +27,6 @@ jobs:
     runs-on: ubuntu-latest
     name: Build VSCode Extension '${{ inputs.extension-name }}' Snapshot
     steps:
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Checkout vscode-extensions code and workflow scripts
         uses: actions/checkout@v4
       - name: Set up JDK 21
@@ -58,7 +52,7 @@ jobs:
           s3_path=snapshot/vscode-extensions/${{ inputs.extension-name }}
           echo "S3 path: ${s3_path}"
           aws s3 rm s3://$AWS_S3_BUCKET/$s3_path/ --recursive
-          aws s3 cp ./vsix/$vsix_file s3://$AWS_S3_BUCKET/$s3_path/$vsix_file --no-progress
+          aws s3 cp ./vsix/$vsix_file s3://$AWS_S3_BUCKET/$s3_path/$vsix_file --no-progress --checksum-algorithm CRC32
       - name: Update Nightly Builds download page
         run: |
           downloads_html="vscode-extensions-snippet.html"
@@ -70,5 +64,5 @@ jobs:
           echo `${{ github.workspace }}/.github/scripts/gen-vscode-link-bullet.sh vscode-spring-cli "Spring CLI" $DOWNLOAD_URL_ROOT` >> $downloads_html
           echo '</ul>' >> $downloads_html
           cat ./$downloads_html
-          aws s3 mv ./$downloads_html s3://$AWS_S3_BUCKET/snapshot/STS4/vscode-extensions/ --no-progress
+          aws s3 mv ./$downloads_html s3://$AWS_S3_BUCKET/snapshot/STS4/vscode-extensions/ --no-progress --checksum-algorithm CRC32
 
diff --git a/.github/workflows/upload-nightly-downloads-page.yml b/.github/workflows/upload-nightly-downloads-page.yml
index 47c8b4bd1..a576dd3c0 100644
--- a/.github/workflows/upload-nightly-downloads-page.yml
+++ b/.github/workflows/upload-nightly-downloads-page.yml
@@ -27,15 +27,9 @@ jobs:
           sparse-checkout: |
             .github
             eclipse-distribution/common/html
-      - name: Setup AWS CLI 2.22
-        run: |
-          curl -s "https://awscli.amazonaws.com/awscli-exe-linux-x86_64-2.22.35.zip" -o "awscliv2.zip"
-          unzip -q awscliv2.zip
-          sudo ./aws/install --update
-          aws --version
       - name: Upload nightly-distributions.html
         run: |
           echo "Removing old nightly-distributions.html from s3..."
           aws s3 rm s3://$AWS_S3_BUCKET/snapshot/STS4/nightly-distributions.html --debug --cli-connect-timeout 60
           echo "Uploading new nightly-distributions.html to s3..."
-          aws s3 cp ./eclipse-distribution/common/html/nightly-distributions.html s3://$AWS_S3_BUCKET/snapshot/STS4/nightly-distributions.html --no-progress --debug --cli-connect-timeout 60
+          aws s3 cp ./eclipse-distribution/common/html/nightly-distributions.html s3://$AWS_S3_BUCKET/snapshot/STS4/nightly-distributions.html --no-progress --checksum-algorithm CRC32