diff --git a/extensions/akismet/.editorconfig b/.editorconfig
similarity index 91%
rename from extensions/akismet/.editorconfig
rename to .editorconfig
index a61a3ab36..d240f3e4f 100644
--- a/extensions/akismet/.editorconfig
+++ b/.editorconfig
@@ -17,3 +17,6 @@ trim_trailing_whitespace = false
 
 [*.{php,xml,json}]
 indent_size = 4
+
+[tsconfig.json]
+indent_size = 2
diff --git a/extensions/akismet/js/tsconfig.json b/extensions/akismet/js/tsconfig.json
index 510f42a00..ecfd75b7c 100644
--- a/extensions/akismet/js/tsconfig.json
+++ b/extensions/akismet/js/tsconfig.json
@@ -4,14 +4,14 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/*/*/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "../../flags/js/src/@types/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"],
-      "flarum/flags/*": ["../vendor/flarum/flags/js/dist-typings/*"]
+      "flarum/*": ["../../../framework/core/js/src/*"],
+      "flarum/flags/*": ["../../flags/js/src/*"]
     }
   }
 }
diff --git a/extensions/approval/.editorconfig b/extensions/approval/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/approval/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/bbcode/.editorconfig b/extensions/bbcode/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/bbcode/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/embed/.editorconfig b/extensions/embed/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/embed/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/emoji/.editorconfig b/extensions/emoji/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/emoji/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/flags/.editorconfig b/extensions/flags/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/flags/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/flags/js/tsconfig.json b/extensions/flags/js/tsconfig.json
index c24c74031..d0c0d2d85 100644
--- a/extensions/flags/js/tsconfig.json
+++ b/extensions/flags/js/tsconfig.json
@@ -4,14 +4,14 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/*/*/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"],
-      "@flarum/core/*": ["../vendor/flarum/core/js/dist-typings/*"]
+      "flarum/*": ["../../../framework/core/js/src/*"],
+      "@flarum/core/*": ["../../../framework/core/js/src/*"]
     }
   }
 }
diff --git a/extensions/lang-english/.editorconfig b/extensions/lang-english/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/lang-english/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/likes/.editorconfig b/extensions/likes/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/likes/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/lock/.editorconfig b/extensions/lock/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/lock/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/markdown/.editorconfig b/extensions/markdown/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/markdown/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/mentions/.editorconfig b/extensions/mentions/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/mentions/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/nicknames/.editorconfig b/extensions/nicknames/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/nicknames/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/package-manager/.editorconfig b/extensions/package-manager/.editorconfig
deleted file mode 100755
index a61a3ab36..000000000
--- a/extensions/package-manager/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/package-manager/js/tsconfig.json b/extensions/package-manager/js/tsconfig.json
index ee0d5ef5a..738032bcc 100755
--- a/extensions/package-manager/js/tsconfig.json
+++ b/extensions/package-manager/js/tsconfig.json
@@ -4,13 +4,13 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/flarum/core/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"]
+      "flarum/*": ["../../../framework/core/js/src/*"]
     }
   }
 }
diff --git a/extensions/pusher/.editorconfig b/extensions/pusher/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/pusher/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/pusher/js/tsconfig.json b/extensions/pusher/js/tsconfig.json
index 5fe83152f..57adb12f5 100644
--- a/extensions/pusher/js/tsconfig.json
+++ b/extensions/pusher/js/tsconfig.json
@@ -4,14 +4,14 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/*/*/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"],
-      "flarum/tags/*": ["../vendor/flarum/tags/js/dist-typings/*"]
+      "flarum/*": ["../../../framework/core/js/src/*"],
+      "flarum/tags/*": ["../../tags/js/src/*"]
     }
   }
 }
diff --git a/extensions/statistics/.editorconfig b/extensions/statistics/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/statistics/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/statistics/js/tsconfig.json b/extensions/statistics/js/tsconfig.json
index ee0d5ef5a..738032bcc 100644
--- a/extensions/statistics/js/tsconfig.json
+++ b/extensions/statistics/js/tsconfig.json
@@ -4,13 +4,13 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/flarum/core/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"]
+      "flarum/*": ["../../../framework/core/js/src/*"]
     }
   }
 }
diff --git a/extensions/sticky/.editorconfig b/extensions/sticky/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/sticky/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/subscriptions/.editorconfig b/extensions/subscriptions/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/subscriptions/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/suspend/.editorconfig b/extensions/suspend/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/suspend/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/tags/.editorconfig b/extensions/tags/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/extensions/tags/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4
diff --git a/extensions/tags/js/src/@types/shims.d.ts b/extensions/tags/js/src/@types/shims.d.ts
index d6d711e8f..38ea9cdaf 100644
--- a/extensions/tags/js/src/@types/shims.d.ts
+++ b/extensions/tags/js/src/@types/shims.d.ts
@@ -3,7 +3,7 @@ import type TagListState from '../forum/states/TagListState';
 
 declare module 'flarum/forum/routes' {
   export interface ForumRoutes {
-    tag: (tag: Tag) => string;
+    tag?: (tag: Tag) => string;
   }
 }
 
diff --git a/extensions/tags/js/tsconfig.json b/extensions/tags/js/tsconfig.json
index 161d73aa0..9a023c394 100644
--- a/extensions/tags/js/tsconfig.json
+++ b/extensions/tags/js/tsconfig.json
@@ -4,18 +4,18 @@
   // This will match all .ts, .tsx, .d.ts, .js, .jsx files in your `src` folder
   // and also tells your Typescript server to read core's global typings for
   // access to `dayjs` and `$` in the global namespace.
-  "include": ["src/**/*", "../vendor/flarum/core/js/dist-typings/@types/**/*", "@types/**/*"],
+  "include": ["src/**/*", "../../../framework/core/js/src/**/*", "@types/**/*"],
   "compilerOptions": {
     // This will output typings to `dist-typings`
     "declarationDir": "./dist-typings",
     "baseUrl": ".",
     "paths": {
-      "flarum/*": ["../vendor/flarum/core/js/dist-typings/*"],
+      "flarum/*": ["../../../framework/core/js/src/*"],
       // TODO: remove after export registry system implemented
       // Without this, the old-style `@flarum/core` import is resolved to
       // source code in flarum/core instead of the dist typings.
       // This causes an inaccurate "duplicate export" error.
-      "@flarum/core/*": ["../vendor/flarum/core/js/dist-typings/*"],
+      "@flarum/core/*": ["../../../framework/core/js/src/*"],
     }
   }
 }
diff --git a/framework/core/.editorconfig b/framework/core/.editorconfig
deleted file mode 100644
index a61a3ab36..000000000
--- a/framework/core/.editorconfig
+++ /dev/null
@@ -1,19 +0,0 @@
-# EditorConfig helps developers define and maintain consistent
-# coding styles between different editors and IDEs
-# editorconfig.org
-
-root = true
-
-[*]
-end_of_line = lf
-charset = utf-8
-trim_trailing_whitespace = true
-insert_final_newline = true
-indent_style = space
-indent_size = 2
-
-[*.{diff,md}]
-trim_trailing_whitespace = false
-
-[*.{php,xml,json}]
-indent_size = 4