Microsoft broke WebKit archive links

docz/docs/03-demos/01-math/11-tensorflow.md

@@ -34,22 +34,23 @@ results back to spreadsheets.
 
 Each browser demo was tested in the following environments:
 
-| Browser     | TF.js version | Date       |
-|:------------|:--------------|:-----------|
-| Chrome 127  | `4.20.0`      | 2024-08-16 |
-| Safari 17.4 | `4.20.0`      | 2024-08-16 |
+| Browser     | TF.js     | Date       |
+|:------------|:----------|:-----------|
+| Chrome 133  | `4.22.0`  | 2025-04-21 |
+| Safari 18.3 | `4.22.0`  | 2025-04-21 |
 
 The NodeJS demo was tested in the following environments:
 
-| NodeJS   | TF.js version                 | Date       |
-|:---------|:------------------------------|:-----------|
-| `22.3.0` | `4.20.0` (`@tensorflow/tfjs`) | 2024-08-16 |
+| NodeJS      | TF.js     | Date       |
+|:------------|:----------|:-----------|
+| `22.14.0`   | `4.22.0`  | 2025-04-21 |
+| `20.18.0`   | `4.22.0`  | 2025-04-21 |
 
 The Kaioken demo was tested in the following environments:
 
-| Kaioken   | TF.js version | Date       |
-|:----------|:--------------|:-----------|
-| `0.25.3`  | `4.20.0`      | 2024-08-16 |
+| Kaioken     | TF.js     | Date       |
+|:------------|:----------|:-----------|
+| `0.37.0`    | `4.22.0`  | 2025-04-21 |
 
 :::
 
@@ -57,7 +58,7 @@ The Kaioken demo was tested in the following environments:
 
 #### Standalone Browser Scripts
 
-Live code blocks in this page use the TF.js `4.20.0` standalone build.
+Live code blocks in this page use the TF.js `4.22.0` standalone build.
 
 Standalone scripts are available on various CDNs including UNPKG. The latest
 version can be loaded with the following `SCRIPT` tag.

docz/docs/03-demos/30-cloud/11-aws.md

@@ -33,7 +33,7 @@ will be available in the future.
 
 :::note Tested Deployments
 
-This demo was last tested on 2024-06-13.
+This demo was last tested on 2025-04-21.
 
 :::
 
@@ -72,7 +72,7 @@ The `busboy` body parser[^2] is battle-tested in NodeJS deployments.
 `busboy` fires a `'file'` event for every file in the form body. The callback
 receives a NodeJS stream that should be collected into a Buffer:
 
-```js
+```js title="Collecting file data from an upload (sketch)"
 /* accumulate the files manually */
 var files = {};
 bb.on('file', function(fieldname, file, filename) {
@@ -93,7 +93,7 @@ workbook objects[^4] which can be processed with other API functions.
 
 For example, a handler can use `sheet_to_csv`[^5] to generate CSV text:
 
-```js
+```js title="Parse an uploaded file and generate a CSV (sketch)"
 /* on the finish event, all of the fields and files are ready */
 bb.on('finish', function() {
   /* grab the first file */
@@ -116,7 +116,7 @@ bb.on('finish', function() {
 This example takes the first uploaded file submitted with the key `upload`,
 parses the file and returns the CSV content of the first worksheet.
 
-```js
+```js title="Complete Lambda Function"
 const XLSX = require('xlsx');
 var Busboy = require('busboy');
 
@@ -168,7 +168,7 @@ For safely transmitting binary data, Base64 strings should be used.
 The SheetJS `write` method[^6] with the option `type: "base64"` will generate
 Base64-encoded strings.
 
-```js
+```js title="Generate a Base64-encoded XLSX workbook (sketch)"
 /* sample SheetJS workbook object */
 var wb = XLSX.read("S,h,e,e,t,J,S\n5,4,3,3,7,9,5", {type: "binary"});
 /* write to XLSX file in Base64 encoding */
@@ -179,7 +179,7 @@ The Lambda callback response function accepts options. Setting `isBase64Encoded`
 to `true` will ensure the callback handler decodes the data. To ensure browsers
 will try to download the response, the `Content-Disposition` header must be set:
 
-```js
+```js title="Respond with an attachment (sketch)"
 callback(null, {
   statusCode: 200,
   /* Base64-encoded file */
@@ -197,7 +197,7 @@ callback(null, {
 
 This example creates a sample workbook object and sends the file in the response:
 
-```js
+```js title="Complete Lambda Function"
 var XLSX = require('xlsx');
 
 exports.handler = function(event, context, callback) {
@@ -230,7 +230,7 @@ free requests per month and 400 thousand GB-seconds of compute resources.
 
 :::
 
-0) If you do not have an account, create a new AWS free tier account[^7].
+0) Create a new AWS free tier account[^7] or sign into an existing AWS account.
 
 #### Create Project ZIP
 
@@ -251,13 +251,13 @@ curl -LO https://docs.sheetjs.com/aws/index.js
 
 <CodeBlock language="bash">{`\
 mkdir -p node_modules
-npm i https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz busboy`}
+npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz busboy`}
 </CodeBlock>
 
 4) Create a .zip package of the contents of the folder:
 
 ```bash
-zip -c ../SheetJSLambda.zip -r .
+zip ../SheetJSLambda.zip -r .
 ```
 
 #### Lambda Setup
@@ -282,13 +282,17 @@ If the left sidebar is not open, click the `≡` icon in the left edge of the pa
 - Type a memorable "Function Name" ("SheetJSLambda" when last tested)
 
 - In the "Runtime" dropdown, look for the "Latest supported" section and select
-  "Node.js" ("Node.js 20.x" when last tested)
+  "Node.js" ("Node.js 22.x" when last tested)
 
-- Expand "Advanced Settings" and check "Enable function URL". This will display
-  a few sub-options:
+![Select Node.js runtime](pathname:///aws/runtime.png)
+
+- Expand "Additional Configurations" and check "Enable function URL". The page
+  will show additional sub-options:
   + "Auth type" select "NONE" (disable IAM authentication)
   + Check "Configure cross-origin resource sharing (CORS)"
 
+![Select Additional Configurations](pathname:///aws/additional.png)
+
 10) Click "Create function" to create the function.
 
 #### Upload Code
@@ -297,18 +301,25 @@ If the left sidebar is not open, click the `≡` icon in the left edge of the pa
 
 12) Click the "Upload from" dropdown and select ".zip file".
 
+![Upload from .zip file](pathname:///aws/upload-code.png)
+
 13) Click the "Upload" button in the modal. With the file picker, select the
 `SheetJSLambda.zip` file created in step 3. Click "Save".
 
+![Modal after uploading SheetJSLambda.zip](pathname:///aws/upload-zip.png)
+
 :::note pass
+
 When the demo was last tested, the ZIP was small enough that the Lambda code
-editor will load the package.
+editor loaded the package.
 
 :::
 
 14) In the code editor, double-click `index.js` and confirm the code editor
 displays JavaScript code.
 
+![Editor window post-upload](pathname:///aws/editor-postload.png)
+
 #### External Access
 
 15) Click "Configuration" in the tab list.
@@ -331,7 +342,10 @@ If no policy statements are defined, select "Add Permission" with the options:
 - Ensure that Principal is set to `*`
 - Ensure that Action is set to `lambda:InvokeFunctionUrl`
 
-Click "Save" and a new Policy statement should be created.
+Click "Save" and a new Policy statement should be created. The corresponding row
+should match the details in the following screenshot:
+
+![Resource-based policy statements](pathname:///aws/rbps.png)
 
 #### Lambda Testing
 
@@ -367,7 +381,7 @@ The `aws-sdk` module exports a function `S3` that performs the connection. The
 function expects an options object that includes an API version and credentials.
 Access keys for an IAM user[^9] must be used:
 
-```js
+```js title="Connect to S3 from NodeJS (sketch)"
 /* credentials */
 var accessKeyId = "...", secretAccessKey = "..."";
 
@@ -389,7 +403,7 @@ var s3 = new AWS.S3({
 The `s3#getObject` method returns an object with a `createReadStream` method.
 `createReadStream` returns a NodeJS stream:
 
-```js
+```js title="Get Object from S3 (sketch)"
 /* open stream to the file */
 var stream = s3.getObject({ Bucket: Bucket, Key: Key }).createReadStream();
 ```
@@ -398,7 +412,7 @@ var stream = s3.getObject({ Bucket: Bucket, Key: Key }).createReadStream();
 
 Buffers can be concatenated from the stream into one unified Buffer object:
 
-```js
+```js title="Fetch data from S3 object and collect into a Buffer (sketch)"
 /* array of buffers */
 var bufs = [];
 /* add each data chunk to the array */
@@ -419,7 +433,7 @@ workbook objects[^11] which can be processed with other API functions.
 
 For example, a callback can use `sheet_to_csv`[^12] to generate CSV text:
 
-```js
+```js title="Parse workbook from S3 and generate a CSV (sketch)"
 stream.on('end', function() {
   /* concatenate */
   var buf = Buffer.concat(bufs);
@@ -442,7 +456,7 @@ NodeJS Buffers. `S3#upload` directly accepts these Buffer objects.
 This example creates a sample workbook object, generates XLSX file data in a
 NodeJS Buffer, and uploads the data to S3:
 
-```js
+```js title="Upload sample workbook to S3 (sketch)"
 /* generate sample workbook */
 var wb = XLSX.read("S,h,e,e,t,J,S\n5,4,3,3,7,9,5", {type: "binary"});
 
@@ -478,7 +492,7 @@ a root user account.
 
 ![AWS search for "S3"](pathname:///aws/S3.png)
 
-3) Open "Buckets" in the left sidebar.
+3) Open "General purpose buckets" in the left sidebar.
 
 If the left sidebar is not open, click the `≡` icon in the left edge of the page.
 
@@ -486,7 +500,9 @@ If the left sidebar is not open, click the `≡` icon in the left edge of the pa
 
 5) Select the following options:
 
-- Type a memorable "Bucket Name" ("sheetjsbouquet" when last tested)
+- Bucket Type: "General purpose" (default)
+
+- Type a memorable "Bucket Name" ("sheetjsbuckit" when last tested)
 
 - In the "Object Ownership" section, select "ACLs disabled"
 
@@ -536,7 +552,8 @@ There should be one entry.
 
 #### Generate Keys
 
-20) Click "Security credentials", then click "Create access key".
+20) Click "Security credentials", then scroll down to the "Access keys" section
+and click "Create access key".
 
 21) Select the "Local code" option. Check "I understand the above recommendation
 and want to proceed to create an access key." and click "Next"
@@ -562,7 +579,7 @@ npm init -y
 
 <CodeBlock language="bash">{`\
 mkdir -p node_modules
-npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz aws-sdk@2.1467.0`}
+npm i --save https://cdn.sheetjs.com/xlsx-${current}/xlsx-${current}.tgz aws-sdk@2.1692.0`}
 </CodeBlock>
 
 #### Write Test

docz/docs/03-demos/30-cloud/22-airtable.md

@@ -1,5 +1,6 @@
 ---
-title: Airtable
+title: Flying Sheets with Airtable
+sidebar_label: Airtable
 pagination_prev: demos/local/index
 pagination_next: demos/extensions/index
 ---
@@ -206,7 +207,7 @@ const wb = XLSX.readFile("SheetJSAirtableTest.xlsb");
 
 :::note Tested Deployments
 
-This demo was last tested on 2024-05-04. In the most recent test, free accounts
+This demo was last tested on 2025-04-21. In the most recent test, free accounts
 included limited API access.
 
 :::
@@ -215,16 +216,9 @@ included limited API access.
 
 ### Personal Access Token
 
-:::note pass
-
-In the past, Airtable offered API keys. They were officially deprecated on 2024
-February 1. They recommend "Personal Access Tokens" for operations.
-
-:::
-
 API actions will require a PAT, which must be created through the developer hub:
 
-1) Click on account icon (topright area of the page) and select "Developer Hub".
+1) Click on account icon (topright area of the page) and select "Builder Hub".
 
 :::caution pass
 
@@ -233,7 +227,7 @@ to create a token.
 
 :::
 
-2) Click the blue "Create Token" button.
+2) Click "Personal access tokens" in the sidebar, then click "Create Token".
 
 3) In the form, make the following selections:
 
@@ -253,10 +247,18 @@ For the purposes of this demo, a sample workspace should be created:
 
 5) Download https://docs.sheetjs.com/pres.xlsx
 
-6) Click "Back to Home" to return to the home page.
+6) Click the left arrow in the top-left corner to return to the home page.
 
-7) Create a project in Airtable using "Quickly upload". Select "Microsoft Excel"
-and select the downloaded file from step 1.  Click "Upload", then "Import".
+7) In the left sidebar, scroll down and click the "Import" link.
+
+In the modal, select "Microsoft Excel".
+
+In the upload modal, click "browse files" and select `pres.xlsx` from Step 5.
+
+Click the blue "Upload 1 file" button.
+
+In the new modal, click "Import". When this demo was last tested, Airtable
+created 5 records with "Name" and "Index" column headers.
 
 8) A workspace will be created. The name will be found in the URL. For example:
 
@@ -315,7 +317,8 @@ const base = "app...";
 node SheetJSAirtableRead.js
 ```
 
-The script should write `SheetJSAirtable.xlsb`. The file can be opened in Excel.
+The script will export the data from Airtable to `SheetJSAirtable.xlsb`. The new
+spreadsheet can be opened in Excel.
 
 ### Importing Data
 
@@ -361,7 +364,7 @@ Open Airtable and verify the new row was added:
 [^1]: See [`json_to_sheet` in "Utilities"](/docs/api/utilities/array#array-of-objects-input)
 [^2]: See ["Workbook Helpers" in "Utilities"](/docs/api/utilities/wb) for details on `book_new` and `book_append_sheet`.
 [^3]: See [`writeFile` in "Writing Files"](/docs/api/write-options)
-[^4]: See ["Sheet Objects"](/docs/csf/sheet) for more details/
+[^4]: See ["Sheet Objects"](/docs/csf/sheet) for more details
 [^5]: See [`sheet_to_json` in "Utilities"](/docs/api/utilities/array#array-output)
 [^6]: See ["Workbook Object"](/docs/csf/book)
 [^7]: See [`readFile` in "Reading Files"](/docs/api/parse-options)

docz/docs/03-demos/42-engines/04-jsc.md

@@ -42,9 +42,9 @@ JavaScriptCore can be built from source and linked in C / C++ programs.
 | Architecture | Version          | Date       |
 |:-------------|:-----------------|:-----------|
 | `darwin-x64` | `7618.2.12.11.7` | 2025-01-10 |
-| `darwin-arm` | `7620.2.4.111.7` | 2025-02-13 |
+| `darwin-arm` | `7620.2.4.111.7` | 2025-04-21 |
 | `linux-x64`  | `7618.2.12.11.7` | 2024-06-22 |
-| `linux-arm`  | `7618.2.12.11.7` | 2024-06-22 |
+| `linux-arm`  | `7620.2.4.111.7` | 2025-04-21 |
 
 [**Swift Compiled from Source**](#swift-c)
 
@@ -53,7 +53,7 @@ Swift compiler can link against libraries built from the JavaScriptCore source.
 | Architecture | Version          | Date       |
 |:-------------|:-----------------|:-----------|
 | `linux-x64`  | `7618.2.12.11.7` | 2024-06-22 |
-| `linux-arm`  | `7618.2.12.11.7` | 2024-06-22 |
+| `linux-arm`  | `7620.2.4.111.7` | 2025-04-21 |
 
 :::
 
@@ -409,6 +409,20 @@ to `SheetJSwift.xlsx`. That file can be verified by opening in Excel / Numbers.
 
 ### C++
 
+:::danger pass
+
+Older versions of this demo recommended downloading the WebKit release archives.
+
+**Microsoft disabled all WebKit archive downloads!**
+
+https://codeload.github.com/WebKit/WebKit/zip/refs/tags/WebKit-7620.2.4.111.7 ,
+when the demo was last tested, returned HTTP 422 `Archive creation is blocked`.
+
+The updated instructions now clone the repository. An additional 20GB of storage
+space and 11GB of bandwidth is required to fetch and store the code.
+
+:::
+
 0) Install dependencies
 
 <details>
@@ -443,12 +457,13 @@ mkdir sheetjs-jsc
 cd sheetjs-jsc
 ```
 
-2) Download and extract the WebKit snapshot:
+2) Clone the WebKit repository and switch to the `WebKit-7620.2.4.111.7` tag:
 
 ```bash
-curl -LO https://codeload.github.com/WebKit/WebKit/zip/refs/tags/WebKit-7620.2.4.111.7
-mv WebKit-7620.2.4.111.7 WebKit.zip
-unzip WebKit.zip
+git clone https://github.com/WebKit/WebKit.git WebKit
+cd WebKit
+git checkout WebKit-7620.2.4.111.7
+cd ..
 ```
 
 3) Build JavaScriptCore:
@@ -457,27 +472,27 @@ unzip WebKit.zip
   <TabItem value="darwin-x64" label="MacOS">
 
 ```bash
-cd WebKit-WebKit-7620.2.4.111.7
-Tools/Scripts/build-webkit --jsc-only --cmakeargs="-DENABLE_STATIC_JSC=ON"
+cd WebKit
+env CFLAGS="-Wno-error -Wno-deprecated-declarations" CXXFLAGS="-Wno-error -Wno-deprecated-declarations" LDFLAGS="-framework Foundation" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error -DENABLE_STATIC_JSC=ON -DCMAKE_C_FLAGS=\"-Wno-error -Wno-deprecated-declarations\" -DCMAKE_CXX_FLAGS=\"-Wno-error -Wno-deprecated-declarations\"" --make-args="-Wno-error -Wno-deprecated-declarations"
 cd ..
 ```
 
-:::danger pass
+:::note pass
 
-When this demo was last tested on ARM64 macOS, JIT elicited runtime errors and
-WebAssembly elicited compile-time errors. WebAssembly and JIT must be disabled:
+In some test runs on ARM64 macOS, JIT elicited runtime errors and WebAssembly
+elicited compile-time errors. WebAssembly and JIT should be disabled:
 
 ```bash
-cd WebKit-WebKit-7620.2.4.111.7
-env CFLAGS="-Wno-error -Wno-deprecated-declarations" CXXFLAGS="-Wno-error -Wno-deprecated-declarations" LDFLAGS="-framework Foundation" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error -DENABLE_STATIC_JSC=ON -DCMAKE_C_FLAGS=\"-Wno-error -Wno-deprecated-declarations\" -DCMAKE_CXX_FLAGS=\"-Wno-error -Wno-deprecated-declarations\"" --no-jit --no-webassembly --make-args="-Wno-error -Wno-deprecated-declarations"
+cd WebKit
+env CFLAGS="-Wno-error -Wno-deprecated-declarations" CXXFLAGS="-Wno-error -Wno-deprecated-declarations" LDFLAGS="-framework Foundation" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error -DENABLE_STATIC_JSC=ON -DCMAKE_C_FLAGS=\"-Wno-error -Wno-deprecated-declarations\" -DCMAKE_CXX_FLAGS=\"-Wno-error -Wno-deprecated-declarations\"" --make-args="-Wno-error -Wno-deprecated-declarations" --no-jit --no-webassembly
 cd ..
 ```
 
 :::
 
-:::caution pass
+:::note pass
 
-When this demo was tested on macOS, the build failed with the error message
+In some test runs, the build failed with the error message
 
 ```
 Source/WTF/wtf/text/ASCIILiteral.h:65:34: error: use of undeclared identifier 'NSString'
@@ -502,9 +517,9 @@ namespace WTF {
 
 :::
 
-:::caution pass
+:::note pass
 
-When this demo was tested, the build failed with the error message
+In some test runs, the build failed with the error message
 
 ```
 Source/JavaScriptCore/runtime/JSCBytecodeCacheVersion.cpp:37:10: fatal error: 'wtf/spi/darwin/dyldSPI.h' file not found
@@ -529,8 +544,8 @@ The `#include` should be changed to a relative directive:
   <TabItem value="linux-x64" label="Linux">
 
 ```bash
-cd WebKit-WebKit-7620.2.4.111.7
-env CFLAGS="-Wno-error=dangling-reference -Wno-dangling-reference" CXXFLAGS="-Wno-error=dangling-reference -Wno-dangling-reference" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error -DENABLE_STATIC_JSC=ON -DUSE_THIN_ARCHIVES=OFF -DCMAKE_C_FLAGS=\"-Wno-error -Wno-dangling-reference\" -DCMAKE_CXX_FLAGS=\"-Wno-error -Wno-dangling-reference\""  --make-args="-j1 -Wno-error -Wno-error=dangling-reference" -j1
+cd WebKit
+env CFLAGS="-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference" CXXFLAGS="-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error=all -Wno-error=volatile-register-var -DENABLE_STATIC_JSC=ON -DUSE_THIN_ARCHIVES=OFF -DCMAKE_C_FLAGS=\"-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference\" -DCMAKE_CXX_FLAGS=\"-Wno-error=all -Wno-error=volatile-register-var \""  --make-args="-j1 -Wno-error=all -Wno-error=volatile-register-var " -j1
 cd ..
 ```
 
@@ -540,9 +555,9 @@ When this was last tested on the Steam Deck, the build ran for 24 minutes!
 
 :::
 
-:::danger pass
+:::note pass
 
-When this demo was last tested on ARM64, there was a dangling pointer error:
+In some test runs on AArch64 Linux, there was a dangling pointer error:
 
 <pre>
 <span {...B}>WebKitBuild/JSCOnly/Release/WTF/Headers/wtf/SentinelLinkedList.h:61:55: <span {...r}>error:</span></span> storing the address of local variable <span {...B}>‘toBeRemoved’</span> in <span {...B}>‘{"*"}MEM[(struct BasicRawSentinelNode {"*"} const &)this_4(D) + 96].WTF::BasicRawSentinelNode&lt;JSC::CallLinkInfoBase&gt;::m_next’</span> [<span style={{...r.style,...B.style}}>-Werror=dangling-pointer=</span>]
@@ -573,11 +588,56 @@ The error can be suppressed with preprocessor directives around the definition:
 After patching the header, JSC must be built without WebAssembly or JIT support:
 
 ```bash
-cd WebKit-WebKit-7620.2.4.111.7
-env CFLAGS="-Wno-error=dangling-reference -Wno-dangling-reference" CXXFLAGS="-Wno-error=dangling-reference -Wno-dangling-reference" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error -DENABLE_STATIC_JSC=ON -DUSE_THIN_ARCHIVES=OFF -DCMAKE_C_FLAGS=\"-Wno-error -Wno-dangling-reference\" -DCMAKE_CXX_FLAGS=-Wno-error -Wno-dangling-reference"  --make-args="-j1 -Wno-error -Wno-error=dangling-reference" -j1 --no-jit --no-webassembly
+cd WebKit
+env CFLAGS="-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference" CXXFLAGS="-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference" Tools/Scripts/build-webkit --jsc-only --cmakeargs="-Wno-error=all -Wno-error=volatile-register-var -DENABLE_STATIC_JSC=ON -DUSE_THIN_ARCHIVES=OFF -DCMAKE_C_FLAGS=\"-Wno-error=all -Wno-error=volatile-register-var -Wno-dangling-reference\" -DCMAKE_CXX_FLAGS=\"-Wno-error=all -Wno-error=volatile-register-var \""  --make-args="-j1 -Wno-error=all -Wno-error=volatile-register-var " -j1 --no-jit --no-webassembly
 cd ..
 ```
 
+:::
+
+:::caution pass
+
+In some test runs, there was a register error:
+
+```
+WebKit/Source/JavaScriptCore/heap/MarkedBlock.cpp: In member function ‘void JSC::MarkedBlock::dumpInfoAndCrashForInvalidHandle(WTF::AbstractLocker&, JSC::HeapCell*)’:
+WebKit/Source/JavaScriptCore/heap/MarkedBlock.cpp:589:32: error: address of explicit register variable ‘savedActualVM’ requested
+  589 |         VMInspector::forEachVM([&](VM& vm) {
+      |                                ^~~~~~~~~~~~~
+  590 |             if (blockVM == &vm) {
+      |             ~~~~~~~~~~~~~~~~~~~~~
+  591 |                 isValidBlockVM = true;
+      |                 ~~~~~~~~~~~~~~~~~~~~~~
+  592 |                 SAVE_TO_REG(savedActualVM, &vm);
+      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  593 |                 SAVE_TO_REG(savedBitfield, 8);
+      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  594 |                 LOG_INVALID_HANDLE_DETAILS("block VM %p is valid\n", &vm);
+      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  595 |                 return IterationStatus::Done;
+      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  596 |             }
+      |             ~                   
+  597 |             return IterationStatus::Continue;
+      |             ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+  598 |         });
+      |         ~
+```
+
+Until there is a proper upstream fix, the workaround is to explicitly no-op the
+`SAVE_TO_REG` macro in `MarkedBlock.cpp`:
+
+```diff title="WebKit/Source/JavaScriptCore/heap/MarkedBlock.cpp (remove red lines)"
+ #endif
+ 
+ #define SAVE_TO_REG(name, value) do { \
+-    name = WTF::opaque(value); \
+-    WTF::compilerFence(); \
+ } while (false)
+ 
+ NO_RETURN_DUE_TO_CRASH NEVER_INLINE void MarkedBlock::dumpInfoAndCrashForInvalidHandle(AbstractLocker&, HeapCell* heapCell)
+```
+
 :::
 
   </TabItem>
@@ -586,7 +646,7 @@ cd ..
 4) Create a symbolic link to the `Release` folder in the source tree:
 
 ```bash
-ln -s WebKit-WebKit-7620.2.4.111.7/WebKitBuild/JSCOnly/Release/ .
+ln -s WebKit/WebKitBuild/JSCOnly/Release .
 ```
 
 5) Download [`sheetjs-jsc.c`](pathname:///jsc/sheetjs-jsc.c):
@@ -604,6 +664,18 @@ curl -LO https://docs.sheetjs.com/jsc/sheetjs-jsc.c
 g++ -o sheetjs-jsc sheetjs-jsc.c -IRelease/JavaScriptCore/Headers -LRelease/lib -lbmalloc -licucore -lWTF -lJavaScriptCore -IRelease/JavaScriptCore/Headers -framework Foundation
 ```
 
+:::note pass
+
+In some test runs, there were `ld` warnings about `macOS` versions:
+
+```
+ld: warning: object file (Release/lib/libWTF.a[2](ASCIICType.cpp.o)) was built for newer 'macOS' version (14.5) than being linked (14.0)
+```
+
+These warnings can be ignored.
+
+:::
+
   </TabItem>
   <TabItem value="linux-x64" label="Linux">
 
@@ -652,7 +724,7 @@ For macOS and iOS deployments, it is strongly encouraged to use the official
 
 The `linux-x64` test was run on [Ubuntu 22.04 using Swift 5.10.1](https://download.swift.org/swift-5.10.1-release/ubuntu2204/swift-5.10.1-RELEASE/swift-5.10.1-RELEASE-ubuntu22.04.tar.gz)
 
-The `linux-arm` test was run on [Debian 12 "bookworm" using Swift 5.10.1](https://download.swift.org/swift-5.10.1-release/debian12-aarch64/swift-5.10.1-RELEASE/swift-5.10.1-RELEASE-debian12-aarch64.tar.gz)
+The `linux-arm` test was run on [Debian 12 "bookworm" using Swift 6.1](https://download.swift.org/swift-6.1-release/debian12-aarch64/swift-6.1-RELEASE/swift-6.1-RELEASE-debian12-aarch64.tar.gz)
 
 </details>
 
@@ -683,7 +755,7 @@ curl -LO https://docs.sheetjs.com/pres.numbers`}
 5) Copy all generated headers to the current directory:
 
 ```bash
-find ../WebKit-WebKit*/WebKitBuild/JSCOnly/Release/JavaScriptCore/Headers/  -name \*.h | xargs -I '%' cp '%' .
+find ../WebKit/WebKitBuild/JSCOnly/Release/JavaScriptCore/Headers/  -name \*.h | xargs -I '%' cp '%' .
 ```
 
 6) Edit each header file and replace all instances of `<JavaScriptCore/` with
@@ -736,7 +808,7 @@ curl -LO https://docs.sheetjs.com/swift/SheetJSCRaw.swift
 11) Build `SheetJSwift`:
 
 ```bash
-swiftc -Xcc -I$(pwd) -Xlinker -L../WebKit-WebKit-7620.2.4.111.7/WebKitBuild/JSCOnly/Release/lib/ -Xlinker -lJavaScriptCore -Xlinker -lWTF -Xlinker -lbmalloc -Xlinker -lstdc++ -Xlinker -latomic -Xlinker -licuuc -Xlinker -licui18n -import-objc-header JavaScriptCore-Bridging-Header.h SheetJSCRaw.swift -o SheetJSwift
+swiftc -Xcc -I$(pwd) -Xlinker -L../WebKit/WebKitBuild/JSCOnly/Release/lib/ -Xlinker -lJavaScriptCore -Xlinker -lWTF -Xlinker -lbmalloc -Xlinker -lstdc++ -Xlinker -latomic -Xlinker -licuuc -Xlinker -licui18n -import-objc-header JavaScriptCore-Bridging-Header.h SheetJSCRaw.swift -o SheetJSwift
 ```
 
 12) Run the command:

docz/docs/09-miscellany/05-contributing.md

@@ -45,7 +45,6 @@ These instructions were tested on the following platforms:
 | Linux (Debian Linux AArch64)  | `linux-arm`  | 2025-01-14 |
 | MacOS 15.3 (x64)              | `darwin-x64` | 2025-03-31 |
 | MacOS 15.2 (ARM64)            | `darwin-arm` | 2025-03-07 |
-| Windows 10 (x64) + WSL Ubuntu | `win10-x64`  | 2024-07-12 |
 | Windows 11 (x64) + WSL Ubuntu | `win11-x64`  | 2025-01-14 |
 | Windows 11 (ARM) + WSL Ubuntu | `win11-arm`  | 2025-02-23 |
 
@@ -756,6 +755,15 @@ folder are updated on each version release.
 
 :::
 
+### Standalone Scripts
+
+The standalone script (`xlsx.full.min.js`) includes the `xlsx.js` script, a
+`cpexcel.js` script from the [`codepage` project](/docs/constellation/codepage),
+and a few supporting lines of code.
+
+[`SheetJS/js-codepage`](https://git.sheetjs.com/sheetjs/js-codepage) in the
+SheetJS Git server includes instructions for generating the `cpexcel.js` script.
+
 ## Tests
 
 The `test_misc` target runs the targeted feature tests.  It should take 5-10