diff --git a/package.json b/package.json
index 3969e01..bc104c6 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "lint:ci": "run-s prettier:ci gts:ci stylelint:ci tsc",
     "test": "echo \"Error: no test specified\" && exit 1",
     "checklinks:internal": "npx --yes --package=hyperlink --package=tap-spot -- 'hyperlink --canonicalroot https://sass-lang.com/ --root _site/ -r -p -i --skip \".css.map\" --skip \".js.map\" --skip \".svg\" --skip \"feed.atom\" --skip \"/documentation/js-api/\" _site/index.html | tap-spot'",
-    "checklinks:external": "npx --yes --package=broken-link-checker -- 'blc -ro --exclude=localhost:8080 --exclude=codepen.io --exclude=linkedin.com --exclude=docs.github.com --exclude=twitter.com https://sass-lang.com'"
+    "checklinks:external": "npx --yes --package=broken-link-checker -- 'blc -ro --exclude=localhost:8080 --exclude=codepen.io --exclude=linkedin.com --exclude=docs.github.com --exclude=twitter.com --exclude=mvnrepository.com --exclude=drupal.org --exclude=web.archive.org https://sass-lang.com'"
   },
   "devDependencies": {
     "@11ty/eleventy": "^2.0.1",
diff --git a/source/blog/001-how-extend-works.md b/source/blog/001-how-extend-works.md
index 198a476..6b5fbed 100644
--- a/source/blog/001-how-extend-works.md
+++ b/source/blog/001-how-extend-works.md
@@ -18,7 +18,7 @@ it leaves out numerous details that will be important if full Sass compatibility
 is desired. This should be considered an explication of the groundwork for
 `@extend`, upon which full support can be built. For a complete understanding of
 `@extend`, there's no substitute for consulting the [Ruby Sass
-code](http://github.com/sass/ruby-sass/tree/master/lib/sass) and [its
+code](https://github.com/sass/ruby-sass/tree/master/lib/sass) and [its
 tests](https://github.com/sass/ruby-sass/blob/master/test/sass/extend_test.rb).
 
 This document assumes familiarity with the selector terminology defined in the
diff --git a/source/blog/010-dart-sass-is-on-chocolatey.md b/source/blog/010-dart-sass-is-on-chocolatey.md
index 890b098..ff6ed4f 100644
--- a/source/blog/010-dart-sass-is-on-chocolatey.md
+++ b/source/blog/010-dart-sass-is-on-chocolatey.md
@@ -17,7 +17,7 @@ page](https://github.com/sass/dart-sass/releases). But finding, downloading, and
 opening an archive and adding it to the command-line path is still a barrier to
 entry that we'd like to avoid where possible. Today we're taking a step in that
 direction by releasing [a Dart Sass
-package](https://chocolatey.org/packages/sass) on
+package](https://community.chocolatey.org/packages/sass) on
 [Chocolatey](https://chocolatey.org/), the Windows package manager. You can
 install it now using:
 
diff --git a/source/blog/014-dart-sass-100-is-released.md b/source/blog/014-dart-sass-100-is-released.md
index 1258454..f452db7 100644
--- a/source/blog/014-dart-sass-100-is-released.md
+++ b/source/blog/014-dart-sass-100-is-released.md
@@ -7,7 +7,7 @@ date: 2018-03-26 13:15:00 -8
 I've just uploaded Dart Sass 1.0.0, the very first stable release, to
 [GitHub](https://github.com/sass/dart-sass/releases/tag/1.0.0-rc.1),
 [npm](https://www.npmjs.com/package/sass),
-[Chocolatey](https://chocolatey.org/packages/sass),
+[Chocolatey](https://community.chocolatey.org/packages/sass),
 [Homebrew](https://github.com/sass/homebrew-sass), and
 [pub](http://pub.dartlang.org/packages/sass). After working on it for almost two
 years, I'm thrilled to have a stable release out there and officially ready to
diff --git a/source/blog/025-request-for-comments-nested-map-functions.md b/source/blog/025-request-for-comments-nested-map-functions.md
index afbc8a8..03ebf1e 100644
--- a/source/blog/025-request-for-comments-nested-map-functions.md
+++ b/source/blog/025-request-for-comments-nested-map-functions.md
@@ -136,5 +136,5 @@ If you're interested in learning more about this proposal, [read it in full] on
 GitHub. It's open for comments and revisions for the next month, so if you'd
 like to see something change please [file an issue] and we can discuss it!
 
-[read it in full]: https://github.com/sass/sass/tree/main/accepted/nested-map-functions.md
+[read it in full]: https://github.com/sass/sass/blob/main/accepted/nested-map-functions.md
 [file an issue]: https://github.com/sass/sass/issues/new
diff --git a/source/blog/026-request-for-comments-hwb-functions.md b/source/blog/026-request-for-comments-hwb-functions.md
index 931d8ab..5d7cf3e 100644
--- a/source/blog/026-request-for-comments-hwb-functions.md
+++ b/source/blog/026-request-for-comments-hwb-functions.md
@@ -62,5 +62,5 @@ If you’re interested in learning more about this proposal, [read it in full] o
 GitHub. It’s open for comments and revisions for the next month, so if you’d
 like to see something change please [file an issue] and we can discuss it!
 
-[read it in full]: https://github.com/sass/sass/tree/main/proposal/color-4-hwb.md
+[read it in full]: https://github.com/sass/sass/blob/main/accepted/color-4-hwb.md
 [file an issue]: https://github.com/sass/sass/issues/new
diff --git a/source/blog/028-request-for-comments-first-class-calc.md b/source/blog/028-request-for-comments-first-class-calc.md
index ba4a0d7..e89db37 100644
--- a/source/blog/028-request-for-comments-first-class-calc.md
+++ b/source/blog/028-request-for-comments-first-class-calc.md
@@ -73,5 +73,5 @@ If you're interested in learning more about this proposal, [read it in full] on
 GitHub. It's open for comments and revisions for the next month, so if you'd
 like to see something change please [file an issue] and we can discuss it!
 
-[read it in full]: https://github.com/sass/sass/tree/main/proposal/first-class-calc.md
+[read it in full]: https://github.com/sass/sass/blob/main/accepted/first-class-calc.md
 [file an issue]: https://github.com/sass/sass/issues/new
diff --git a/source/blog/030-request-for-comments-new-js-api.md b/source/blog/030-request-for-comments-new-js-api.md
index b191ecf..279700c 100644
--- a/source/blog/030-request-for-comments-new-js-api.md
+++ b/source/blog/030-request-for-comments-new-js-api.md
@@ -171,7 +171,7 @@ The `debug` function handles only `@debug` rules, and is just passed the message
 and the rule's span. For more information on the `SourceSpan` type, see [the
 Logger proposal].
 
-[the Logger proposal]: https://github.com/sass/sass/tree/main/proposal/js-logger.d.ts
+[the Logger proposal]: https://github.com/sass/sass/blob/main/accepted/js-logger.d.ts
 
 Sass will also provide a built-in logger, `Logger.silent`, that never emits any
 messages. This will allow you to easily run Sass in "quiet mode" where no
@@ -800,10 +800,10 @@ class SassFunction extends Value {
 If you want to know more about these proposals and see their most up-to-date
 forms, they're available on GitHub to view in full:
 
-* [Compile API proposal](https://github.com/sass/sass/tree/main/proposal/new-js-api.d.ts)
-* [Logger proposal](https://github.com/sass/sass/blob/main/proposal/js-logger.d.ts)
-* [Importer proposal](https://github.com/sass/sass/blob/main/proposal/new-js-importer.d.ts)
-* [Functions and values proposal](https://github.com/sass/sass/blob/main/proposal/new-function-and-values-api.d.ts)
+* [Compile API proposal](https://github.com/sass/sass/blob/main/accepted/new-js-api.d.ts)
+* [Logger proposal](https://github.com/sass/sass/blob/main/accepted/js-logger.d.ts)
+* [Importer proposal](https://github.com/sass/sass/blob/main/accepted/new-js-importer.d.ts)
+* [Functions and values proposal](https://github.com/sass/sass/blob/main/accepted/new-function-and-values-api.d.ts)
 
 We're eager for feedback, so please [let us know what you think]! The proposals
 in question will be open for at least a month after this blog post goes live,
diff --git a/source/blog/033-request-for-comments-strict-unary-operators.md b/source/blog/033-request-for-comments-strict-unary-operators.md
index 18e0647..5ccff9c 100644
--- a/source/blog/033-request-for-comments-strict-unary-operators.md
+++ b/source/blog/033-request-for-comments-strict-unary-operators.md
@@ -17,7 +17,7 @@ be fairly painless as they go: you can simply write `$a - $b` or `$a (-$b)`,
 depending which you intend. We'll also provide a [Sass migrator] migration to
 automatically update your stylesheets.
 
-[strict unary operators]: https://github.com/sass/sass/blob/main/proposal/strict-unary.md
+[strict unary operators]: https://github.com/sass/sass/blob/main/accepted/strict-unary.md
 [Sass migrator]: /documentation/cli/migrator
 
 **Deprecated:**
@@ -83,5 +83,5 @@ proposal] and then [file an issue] with your feedback. We'll be leaving this
 open to comments for a month, after which we'll finalize the proposal and start
 implementing it.
 
-[the full proposal]: https://github.com/sass/sass/blob/main/proposal/strict-unary.md
+[the full proposal]: https://github.com/sass/sass/blob/main/accepted/strict-unary.md
 [file an issue]: https://github.com/sass/sass/issues/new
diff --git a/source/blog/037-rfc-embedded-protocol-2.md b/source/blog/037-rfc-embedded-protocol-2.md
index f902db4..8ed2a90 100644
--- a/source/blog/037-rfc-embedded-protocol-2.md
+++ b/source/blog/037-rfc-embedded-protocol-2.md
@@ -45,7 +45,7 @@ The repository-organization changes have already been made, but the changes to
 the protocol itself are fully documented [in a proposal in the language
 repository].
 
-[in a proposal in the language repository]: https://github.com/sass/sass/blob/main/proposal/embedded-protocol-2.md
+[in a proposal in the language repository]: https://github.com/sass/sass/blob/main/accepted/embedded-protocol-2.md
 
 ## Combining Executables
 
diff --git a/source/documentation/modules/color.liquid b/source/documentation/modules/color.liquid
index 488e8ce..577c289 100644
--- a/source/documentation/modules/color.liquid
+++ b/source/documentation/modules/color.liquid
@@ -492,7 +492,7 @@ title: sass:color
     Returns an unquoted string that represents `$color` in the `#AARRGGBB`
     format expected by Internet Explorer's [`-ms-filter`][] property.
 
-    [`-ms-filter`]: https://developer.mozilla.org/en-US/docs/Web/CSS/-ms-filter
+    [`-ms-filter`]: https://learn.microsoft.com/en-us/previous-versions/ms530752(v=vs.85)
   {% endmarkdown %}
 
   {% codeExample 'color-ie-hex-str', false %}
diff --git a/source/libsass.md b/source/libsass.md
index 2a05125..93b5cc9 100644
--- a/source/libsass.md
+++ b/source/libsass.md
@@ -34,9 +34,6 @@ complementary_content: |
   - [Lightning fast Sass compiling with libsass, Node-sass and
     Grunt-sass](https://benfrain.com/lightning-fast-sass-compiling-with-libsass-node-sass-and-grunt-sass/)
     --- by Ben Frain, August 2013
-  - [Node, Express and
-    libSass](https://anotheruiguy.gitbooks.io/nodeexpreslibsass_from-scratch/content/index.html)
-    --- Node, Express and libSass: a project from scratch workshop
 ---
 
 ## Wrappers
diff --git a/tool/typedoc-theme.js b/tool/typedoc-theme.js
index a62f7c6..44304f0 100644
--- a/tool/typedoc-theme.js
+++ b/tool/typedoc-theme.js
@@ -186,10 +186,13 @@ title: ${JSON.stringify(`${page.model.name} | JS API`)}
 exports.load = app => {
   app.converter.addUnknownSymbolResolver((ref, refl, part, symbolId) => {
     if (!symbolId) return;
-    const name = symbolId.qualifiedName;
+    let name = symbolId.qualifiedName;
 
     switch (ref.moduleSource) {
       case 'immutable':
+        if (name.startsWith('Immutable.')) {
+          name = name.substring('Immutable.'.length);
+        }
         return `https://immutable-js.com/docs/latest@main/${name}/`;
       case 'source-map-js':
         if (name === 'RawSourceMap') {