diff --git a/.github/workflows/build-formualizer.yml b/.github/workflows/build-formualizer.yml
index e8fec6b6c388..dad60bfa1c7f 100644
--- a/.github/workflows/build-formualizer.yml
+++ b/.github/workflows/build-formualizer.yml
@@ -87,13 +87,30 @@ jobs:
           CIBW_BEFORE_ALL_LINUX: >-
             curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain 1.99.0
           CIBW_ENVIRONMENT_LINUX: PATH="$PATH:$HOME/.cargo/bin"
+          # The cp310 musllinux test run segfaults (SIGSEGV in `python -m formualizer recalc`
+          # and later in test_xlsx_source_tables) while the manylinux and cp314t runs pass.
+          # Threads spawned by Rust on musl are the likely overflow, so give them a stack
+          # large enough for the recursive evaluator (std honours RUST_MIN_STACK).
+          CIBW_TEST_ENVIRONMENT: RUST_MIN_STACK=67108864
           CIBW_TEST_GROUPS: dev
-          CIBW_TEST_SOURCES: bindings/python/tests bindings/python/pyproject.toml
+          # test_doc_sync/test_examples read the repo docs, examples and scripts/ relative to the checkout root.
+          CIBW_TEST_SOURCES: >-
+            bindings/python/tests bindings/python/pyproject.toml bindings/python/examples
+            examples/sheetport scripts/check-doc-examples.py README.md bindings/python/README.md
+            bindings/wasm/README.md bindings/wasm/examples/sheetport-quickstart.mjs
+            crates/formualizer-sheetport/README.md crates/formualizer-workbook/README.md
+            crates/formualizer/examples/sheetport_quickstart.rs
+            docs-site/content/docs/sheetport/quickstart.mdx
+            docs-site/content/docs/guides/large-workbook-performance.mdx
+          # Diagnostic: a segfault kills pytest before it prints its failure report, so run the
+          # failing files first on their own and enable faulthandler for the full run.
           CIBW_TEST_COMMAND: >-
             python -c "import formualizer.formualizer_py as m, importlib.metadata as md;
             assert m.__file__.endswith('.so'), m.__file__;
             assert any(str(p).endswith('licenses/LICENSE-MIT') for p in md.files('formualizer'))" &&
-            cd bindings/python && python -m pytest
+            cd bindings/python &&
+            (python -X faulthandler -m pytest -q --tb=short tests/test_cli.py tests/test_recalc_reproducible.py || true) &&
+            python -X faulthandler -m pytest
 
       - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a  # v7.0.1
         with:
diff --git a/docs/packages/formualizer.yaml b/docs/packages/formualizer.yaml
index 6e89636972c2..543fc7a42c7a 100644
--- a/docs/packages/formualizer.yaml
+++ b/docs/packages/formualizer.yaml
@@ -17,3 +17,4 @@ versions:
   - filename: formualizer-0.11.1-cp314-cp314t-musllinux_1_2_riscv64.whl
     sha256: 336fde6f3aa74c70b3608bc2bf530c74593beca80354b856d863c16caaff834e
     requires-python: '>=3.10'
+- version: 0.12.0