InsightSoftwareConsortium · thewtex · Aug 11, 2026 · Aug 10, 2026 · Aug 10, 2026 · Aug 10, 2026
diff --git a/package.json b/package.json
@@ -2,7 +2,7 @@
   "name": "itk-wasm-workspace",
   "version": "1.0.0",
   "private": true,
-  "packageManager": "pnpm@10.33.0",
+  "packageManager": "pnpm@11.21.0",
   "description": "High-performance spatial analysis in a web browser, Node.js, and reproducible execution across programming languages and hardware architectures.",
   "type": "module",
   "directories": {
@@ -38,23 +38,6 @@
     "@commitlint/config-conventional": "^19.2.2",
     "@playwright/test": "^1.56.1"
   },
-  "pnpm": {
-    "overrides": {
-      "@shoelace-style/shoelace": "^2.12.0",
-      "@types/node": "^24.0.3",
-      "esbuild": "^0.25.1",
-      "start-server-and-test": "^2.0.12",
-      "ava": "^6.1.3",
-      "@playwright/test": "^1.57.0",
-      "shx": "^0.4.0",
-      "typescript": "^5.8.3",
-      "vite": "^6.2.3"
-    },
-    "onlyBuiltDependencies": [
-      "esbuild",
-      "protobufjs"
-    ]
-  },
   "commitlint": {
     "extends": [
       "@commitlint/config-conventional"

diff --git a/packages/compare-images/pixi.lock b/packages/compare-images/pixi.lock
diff --git a/packages/compare-images/pixi.toml b/packages/compare-images/pixi.toml
@@ -8,7 +8,10 @@ version = "0.1.0"
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=9.12.1,<10"
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/packages/compare-meshes/pixi.lock b/packages/compare-meshes/pixi.lock
diff --git a/packages/compare-meshes/pixi.toml b/packages/compare-meshes/pixi.toml
@@ -8,7 +8,10 @@ version = "0.1.0"
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=9.12.1,<10"
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/packages/compress-stringify/pixi.lock b/packages/compress-stringify/pixi.lock
diff --git a/packages/compress-stringify/pixi.toml b/packages/compress-stringify/pixi.toml
@@ -8,7 +8,10 @@ version = "0.1.0"
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=9.12.1,<10"
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/packages/core/typescript/create-itk-wasm/src/generate/pixi-toml.ts b/packages/core/typescript/create-itk-wasm/src/generate/pixi-toml.ts
@@ -23,7 +23,14 @@ python = ["python"]
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=10.14.0,<11"
+# Keep this major in step with the pnpm that drives the project from outside
+# pixi (create-itk-wasm --build-and-test, CI). node_modules records the pnpm
+# that wrote it, so alternating majors makes every install want to purge it,
+# which aborts outright when there is no TTY.
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/packages/core/typescript/create-itk-wasm/src/generate/pnpm-workspace.ts b/packages/core/typescript/create-itk-wasm/src/generate/pnpm-workspace.ts
@@ -10,8 +10,18 @@ function generatePnpmWorkspace(project: ProjectSpec) {
   }
 
   // todo: this path could be parameterized, e.g. 'wasm/typescript'
+  // pnpm 11 fails the install outright when a dependency's build scripts are
+  // ignored, so allow the ones itk-wasm pulls in up front. Do not also list
+  // these under the pnpm 10 spelling, onlyBuiltDependencies: pnpm 11 weighs
+  // that key when deciding whether node_modules is stale but never writes it
+  // to .modules.yaml, so every later install sees a settings change and
+  // demands a modules purge, which aborts with no TTY.
   const content = `packages:
   - 'typescript'
+
+allowBuilds:
+  esbuild: true
+  protobufjs: true
 `
   fs.writeFileSync(pnpmWorkspacePath, content)
 }

diff --git a/packages/core/typescript/itk-wasm/package.json b/packages/core/typescript/itk-wasm/package.json
@@ -1,6 +1,6 @@
 {
   "name": "itk-wasm",
-  "version": "1.0.0-b.199",
+  "version": "1.0.0-b.200",
   "description": "High-performance spatial analysis in a web browser, Node.js, and reproducible execution across programming languages and hardware architectures.",
   "type": "module",
   "module": "./dist/index.js",

diff --git a/packages/core/typescript/itk-wasm/src/bindgen/typescript/resources/template.package.json b/packages/core/typescript/itk-wasm/src/bindgen/typescript/resources/template.package.json
@@ -33,7 +33,7 @@
   "author": "",
   "license": "Apache-2.0",
   "dependencies": {
-    "itk-wasm": "1.0.0-b.199"
+    "itk-wasm": "1.0.0-b.200"
   },
   "devDependencies": {
     "@itk-wasm/demo-app": "^0.2.0",

diff --git a/packages/core/typescript/itk-wasm/src/cli/default-image-tag.js b/packages/core/typescript/itk-wasm/src/cli/default-image-tag.js
@@ -1,2 +1,2 @@
-const defaultImageTag = '20260721-ddf0cdf65'
+const defaultImageTag = '20260810-f8e99da52'
 export default defaultImageTag
diff --git a/packages/core/typescript/itk-wasm/src/version.ts b/packages/core/typescript/itk-wasm/src/version.ts
@@ -1,3 +1,3 @@
-const version = '1.0.0-b.199'
+const version = '1.0.0-b.200'
 
 export default version
diff --git a/packages/dicom/pixi.lock b/packages/dicom/pixi.lock
diff --git a/packages/dicom/pixi.toml b/packages/dicom/pixi.toml
@@ -8,7 +8,10 @@ version = "0.1.0"
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=9.12.1,<10"
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/packages/downsample/pixi.lock b/packages/downsample/pixi.lock
diff --git a/packages/downsample/pixi.toml b/packages/downsample/pixi.toml
@@ -8,7 +8,10 @@ version = "0.1.0"
 
 [dependencies]
 python = "3.12.*"
-pnpm = ">=9.12.1,<10"
+pnpm = ">=11.21.0,<12"
+# conda-forge's pnpm 11 requires nodejs >= 24.19; pin the major so every
+# platform resolves the same node.
+nodejs = ">=24.19.0,<25"
 hatch = ">=1.13.0,<2"
 pip = ">=24.2,<25"
 

diff --git a/...wnsample/python/itkwasm-downsample-emscripten/itkwasm_downsample_emscripten/js_package.py b/...wnsample/python/itkwasm-downsample-emscripten/itkwasm_downsample_emscripten/js_package.py