chore: clean up CI workflows

.github/labeler.yml

@@ -274,7 +274,6 @@ topic:DX:
             "CONTRIBUTING.md",
             ".pre-commit-config.yaml",
             ".gitignore",
-            "requirements.txt",
           ]
 topic:security:
   - changed-files:

.github/workflows/CI_check_api_ref.yml

@@ -81,7 +81,7 @@ jobs:
 
       - name: Install Hatch
         if: steps.changed.outputs.integrations != '[]'
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Generate API references
         if: steps.changed.outputs.integrations != '[]'

.github/workflows/CI_docusaurus_sync.yml

@@ -32,7 +32,7 @@ jobs:
           python-version: "3.10"
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Get project folder
         id: pathfinder

.github/workflows/CI_pypi_release.yml

@@ -37,7 +37,7 @@ jobs:
           python-version: "3.12"
 
       - name: Install dependencies
-        run: pip install hatch "virtualenv<21.0.0" requests
+        run: pip install hatch requests
 
       - name: Validate version number
         run: python .github/utils/validate_version.py --tag ${{ github.ref_name }}

.github/workflows/aimlapi.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/amazon_bedrock.yml

@@ -85,7 +85,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/amazon_sagemaker.yml

@@ -74,7 +74,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/anthropic.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/arcadedb.yml

@@ -80,7 +80,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/astra.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/azure_ai_search.yml

@@ -72,7 +72,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/azure_doc_intelligence.yml

@@ -72,7 +72,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/chroma.yml

@@ -74,7 +74,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/cohere.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/cometapi.yml

@@ -76,7 +76,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/deepeval.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/elasticsearch.yml

@@ -69,7 +69,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/faiss.yml

@@ -70,7 +70,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/fastembed.yml

@@ -63,7 +63,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/firecrawl.yml

@@ -70,7 +70,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/github.yml

@@ -74,7 +74,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/google_genai.yml

@@ -76,7 +76,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/hanlp.yml

@@ -74,7 +74,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/jina.yml

@@ -74,7 +74,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/langfuse.yml

@@ -79,7 +79,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
     # TODO: Once this integration is properly typed, use hatch run test:types
     # https://github.com/deepset-ai/haystack-core-integrations/issues/1771

.github/workflows/lara.yml

@@ -45,7 +45,7 @@ jobs:
       python-version: ${{ steps.set.outputs.python-version }}
     steps:
       - id: set
-        run: |
+        run: |pip install hatch
           echo 'os=${{ github.event_name == 'push' && '["ubuntu-latest"]' || env.TEST_MATRIX_OS }}' >> $GITHUB_OUTPUT
           echo 'python-version=${{ github.event_name == 'push' && '["3.10"]' || env.TEST_MATRIX_PYTHON }}' >> $GITHUB_OUTPUT
 
@@ -72,7 +72,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/llama_cpp.yml

@@ -29,8 +29,6 @@ concurrency:
 env:
   PYTHONUNBUFFERED: "1"
   FORCE_COLOR: "1"
-  TEST_MATRIX_OS: '["ubuntu-latest", "windows-latest", "macos-latest"]'
-  TEST_MATRIX_PYTHON: '["3.10", "3.14"]'
 
 jobs:
   compute-test-matrix:
@@ -39,13 +37,26 @@ jobs:
       run:
         working-directory: .
     outputs:
-      os: ${{ steps.set.outputs.os }}
-      python-version: ${{ steps.set.outputs.python-version }}
+      matrix: ${{ steps.set.outputs.matrix }}
     steps:
       - id: set
         run: |
-          echo 'os=${{ github.event_name == 'push' && '["ubuntu-latest"]' || env.TEST_MATRIX_OS }}' >> $GITHUB_OUTPUT
-          echo 'python-version=${{ github.event_name == 'push' && '["3.10"]' || env.TEST_MATRIX_PYTHON }}' >> $GITHUB_OUTPUT
+          if [ "${{ github.event_name }}" = "push" ]; then
+            echo 'matrix=[{"os":"ubuntu-latest","python-version":"3.10"}]' >> $GITHUB_OUTPUT
+          else
+            MATRIX='['
+            MATRIX+='{"os":"ubuntu-latest","python-version":"3.10"},'
+            MATRIX+='{"os":"ubuntu-latest","python-version":"3.14"},'
+            MATRIX+='{"os":"windows-latest","python-version":"3.10"},'
+            MATRIX+='{"os":"windows-latest","python-version":"3.14"},'
+            # On macOS, pre-built wheels for 3.14 are not available and installing from source
+            # might fail due to missing dependencies (CMake fails with "OpenMP not found").
+            # We test with 3.12 instead because pre-built wheels are available for this version.            
+            MATRIX+='{"os":"macos-latest","python-version":"3.10"},'
+            MATRIX+='{"os":"macos-latest","python-version":"3.12"}'
+            MATRIX+=']'
+            echo "matrix=$MATRIX" >> $GITHUB_OUTPUT
+          fi
 
   run:
     name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
@@ -57,17 +68,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: ${{ fromJSON(needs.compute-test-matrix.outputs.os) }}
-        python-version: ${{ fromJSON(needs.compute-test-matrix.outputs.python-version) }}
-        exclude:
-          # on macOS, pre-built wheels for 3.14 are not available and installing from source
-          # might fail due to missing dependencies (CMake fails with "OpenMP not found")
-          - os: macos-latest
-            python-version: "3.14"
-        include:
-          # on macOS, we test with 3.12 because pre-built wheels are available for this version
-          - os: macos-latest
-            python-version: "3.12"
+        include: ${{ fromJSON(needs.compute-test-matrix.outputs.matrix) }}
 
     steps:
       - name: Support longpaths
@@ -83,7 +84,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/llama_stack.yml

@@ -137,7 +137,7 @@ jobs:
           curl -fsS http://localhost:8321/v1/models || { echo "Health check failed. Logs:"; cat server.log; exit 1; }
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.12' && runner.os == 'Linux'

.github/workflows/mcp.yml

@@ -76,7 +76,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Set up Docker
         if: runner.os == 'Linux'

.github/workflows/meta_llama.yml

@@ -49,7 +49,7 @@ jobs:
           echo 'python-version=${{ github.event_name == 'push' && '["3.10"]' || env.TEST_MATRIX_PYTHON }}' >> $GITHUB_OUTPUT
 
   run:
-    name: Python ${{ matrix.python-version }} on ${{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
+    name: Python ${{ matrpip install hatch{{ startsWith(matrix.os, 'macos-') && 'macOS' || startsWith(matrix.os, 'windows-') && 'Windows' || 'Linux' }}
     needs: compute-test-matrix
     permissions:
       contents: write
@@ -76,7 +76,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/mistral.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/mongodb_atlas.yml

@@ -71,7 +71,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/nvidia.yml

@@ -76,7 +76,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/ollama.yml

@@ -113,7 +113,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'

.github/workflows/openrouter.yml

@@ -75,7 +75,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'
         run: hatch run fmt-check && hatch run test:types

.github/workflows/opensearch.yml

@@ -69,7 +69,7 @@ jobs:
           python-version: ${{ matrix.python-version }}
 
       - name: Install Hatch
-        run: pip install hatch "virtualenv<21.0.0"
+        run: pip install hatch
 
       - name: Lint
         if: matrix.python-version == '3.10' && runner.os == 'Linux'