Version 4.0.0

README.md

@@ -35,4 +35,4 @@ Inside a member directory, `make` builds it, `make test` runs its tests, and `ma
 
 ## Documentation
 
-Consumer documentation is on [wharfkit.com](https://wharfkit.com). API documentation, coverage reports, and browser test suites for every member are published from `master` to [wharfkit.github.io/js](https://wharfkit.github.io/js/), one directory per package.
+Consumer documentation is on [wharfkit.com](https://wharfkit.com), including the [release notes](https://wharfkit.com/docs/releases) and [UPGRADING.md](UPGRADING.md) for moving a project to 4.0.0. API documentation, coverage reports, and browser test suites for every member are published from `master` to [wharfkit.github.io/js](https://wharfkit.github.io/js/), one directory per package.

UPGRADING.md

@@ -0,0 +1,6 @@
+# Upgrading
+
+Moving a project to `@wharfkit/*` 4.0.0 is covered on the website:
+
+- [Upgrading to WharfKit 4.0.0](https://wharfkit.com/docs/releases/upgrading-to-4-0-0), the procedure, the version each package comes from, and a checklist.
+- [Wharf 4.0.0 release notes](https://wharfkit.com/docs/releases/4-0-0), what each package gained.

browser-test.rolldown.config.mjs

@@ -21,6 +21,7 @@ const MEMBERS = {
     common: {lib: false},
     contract: {dataDir: 'data/requests'},
     hyperion: {testsDir: '.'},
+    'light-api': {testsDir: '.'},
     msigs: {testsDir: '.'},
     'protocol-esr': {browserFetch: true},
     'protocol-scatter': {