diff --git a/.github/workflows/abi-report.yml b/.github/workflows/abi-report.yml
index ccc0b19f701..283afb90c69 100644
--- a/.github/workflows/abi-report.yml
+++ b/.github/workflows/abi-report.yml
@@ -84,7 +84,7 @@ jobs:
         run: |
           mkdir "${{ github.workspace }}/hdf5R"
           cd "${{ github.workspace }}/hdf5R"
-          wget -q https://github.com/HDFGroup/hdf5/releases/download/hdf5_${{ inputs.file_ref }}/hdf5-${{ steps.convert-hdf5lib-refname.outputs.HDF5R_DOTS }}-ubuntu-2404_gcc.tar.gz
+          wget -q https://github.com/HDFGroup/hdf5/releases/download/${{ inputs.file_ref }}/hdf5-${{ steps.convert-hdf5lib-refname.outputs.HDF5R_DOTS }}-ubuntu-2404_gcc.tar.gz
           tar zxf hdf5-${{ steps.convert-hdf5lib-refname.outputs.HDF5R_DOTS }}-ubuntu-2404_gcc.tar.gz
 
       - name: List files for the space (Linux)
diff --git a/.github/workflows/daily-build.yml b/.github/workflows/daily-build.yml
index e6875cfbb15..ecd39420b7b 100644
--- a/.github/workflows/daily-build.yml
+++ b/.github/workflows/daily-build.yml
@@ -159,7 +159,8 @@ jobs:
     needs: [get-old-names, call-workflow-tarball, call-workflow-ctest]
     uses: ./.github/workflows/abi-report.yml
     with:
-      file_ref: '1.14.5'
+      # previous release version
+      file_ref: '2.0.0'
       file_base: ${{ needs.call-workflow-tarball.outputs.file_base }}
       use_tag: snapshot
       use_environ: snapshots
diff --git a/.github/workflows/publish-release.yml b/.github/workflows/publish-release.yml
index 4a02d9002da..9d63be9e420 100644
--- a/.github/workflows/publish-release.yml
+++ b/.github/workflows/publish-release.yml
@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
     inputs:
       use_tag:
-        description: HDF5 Release version tag (e.g., v1.14.0)
+        description: HDF5 Release version tag (e.g., 2.0.0)
         type: string
         required: true
       file_name:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 923f21801d1..dddfb762bab 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -82,7 +82,8 @@ jobs:
     needs: [log-the-inputs, call-workflow-tarball, call-workflow-ctest]
     uses: ./.github/workflows/abi-report.yml
     with:
-      file_ref: '1.14.5'
+      # previous release version
+      file_ref: '2.0.0'
       file_base: ${{ needs.call-workflow-tarball.outputs.file_base }}
       use_tag: ${{ needs.log-the-inputs.outputs.rel_tag }}
       use_environ: release
diff --git a/.github/workflows/test-binary-installation.yml b/.github/workflows/test-binary-installation.yml
index 130418dd77f..dd78013e57a 100644
--- a/.github/workflows/test-binary-installation.yml
+++ b/.github/workflows/test-binary-installation.yml
@@ -12,7 +12,7 @@ on:
         description: 'Maven artifact version to test'
         type: string
         required: true
-        default: '2.0.0-SNAPSHOT'
+        default: '2.1.0-SNAPSHOT'
       maven_repository:
         description: 'Maven repository URL'
         type: string
diff --git a/.github/workflows/test-maven-deployment.yml b/.github/workflows/test-maven-deployment.yml
index 902233c9db5..0a50348edc9 100644
--- a/.github/workflows/test-maven-deployment.yml
+++ b/.github/workflows/test-maven-deployment.yml
@@ -96,7 +96,7 @@ jobs:
           # Compile and create JAR
           cd temp-jar
           javac org/hdfgroup/test/TestClass.java
-          jar cf ../test-artifacts/maven-staging-artifacts-linux-x86_64/jarhdf5-2.0.0-test.jar org/hdfgroup/test/TestClass.class
+          jar cf ../test-artifacts/maven-staging-artifacts-linux-x86_64/jarhdf5-2.1.0-test.jar org/hdfgroup/test/TestClass.class
           cd ..
 
           # Create a test POM file
@@ -108,7 +108,7 @@ jobs:
               <modelVersion>4.0.0</modelVersion>
               <groupId>org.hdfgroup</groupId>
               <artifactId>hdf5-java</artifactId>
-              <version>2.0.0-test</version>
+              <version>2.1.0-test</version>
               <name>HDF5 Java Test</name>
               <description>Test artifact for HDF5 Java Maven deployment</description>
           </project>
@@ -207,4 +207,4 @@ jobs:
             echo "Next steps:"
             echo "1. Run full release workflow with deploy_maven=true"
             echo "2. Test end-to-end user experience with deployed artifacts"
-          fi
\ No newline at end of file
+          fi
diff --git a/.github/workflows/test-maven-packages.yml b/.github/workflows/test-maven-packages.yml
index 589d9af3e69..f927d7027ee 100644
--- a/.github/workflows/test-maven-packages.yml
+++ b/.github/workflows/test-maven-packages.yml
@@ -29,7 +29,7 @@ on:
         description: 'Maven artifact version to test'
         type: string
         required: true
-        default: '2.0.0-SNAPSHOT'
+        default: '2.1.0-SNAPSHOT'
       java_implementation:
         description: 'Java implementation(s) to test'
         type: choice