diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f190529faa247d..973b78df00591d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -74,7 +74,7 @@ jobs:
           path: ${{ env.PLAYWRIGHT_BROWSERS_PATH }}
 
       - name: Install Playwright
-        # does not need to explictly set chromium after https://github.com/microsoft/playwright/issues/14862 is solved
+        # does not need to explicitly set chromium after https://github.com/microsoft/playwright/issues/14862 is solved
         run: pnpm playwright install chromium
 
       - name: Build
diff --git a/packages/plugin-legacy/LICENSE b/packages/plugin-legacy/LICENSE
new file mode 100644
index 00000000000000..9c1b313d7b1816
--- /dev/null
+++ b/packages/plugin-legacy/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019-present, Yuxi (Evan) You and Vite contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/packages/plugin-vue/LICENSE b/packages/plugin-vue/LICENSE
index b3d494d14e9c88..9c1b313d7b1816 100644
--- a/packages/plugin-vue/LICENSE
+++ b/packages/plugin-vue/LICENSE
@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2019-present, Yuxi (Evan) You and contributors
+Copyright (c) 2019-present, Yuxi (Evan) You and Vite contributors
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/packages/vite/src/node/config.ts b/packages/vite/src/node/config.ts
index ef1b284f06b5a8..55374774da6ecc 100644
--- a/packages/vite/src/node/config.ts
+++ b/packages/vite/src/node/config.ts
@@ -257,14 +257,14 @@ export interface UserConfig {
 
 export interface ExperimentalOptions {
   /**
-   * Append fake `&lang.(ext)` when queries are specified, to preseve the file extension for following plugins to process.
+   * Append fake `&lang.(ext)` when queries are specified, to preserve the file extension for following plugins to process.
    *
    * @experimental
    * @default false
    */
   importGlobRestoreExtension?: boolean
   /**
-   * Allow finegrain contol over assets and public files paths
+   * Allow finegrain control over assets and public files paths
    *
    * @experimental
    */
diff --git a/packages/vite/src/node/optimizer/index.ts b/packages/vite/src/node/optimizer/index.ts
index b544bc9f060d20..b678d983353c8f 100644
--- a/packages/vite/src/node/optimizer/index.ts
+++ b/packages/vite/src/node/optimizer/index.ts
@@ -151,7 +151,7 @@ export type DepOptimizationOptions = DepOptimizationConfig & {
 export interface DepOptimizationResult {
   metadata: DepOptimizationMetadata
   /**
-   * When doing a re-run, if there are newly discovered dependendencies
+   * When doing a re-run, if there are newly discovered dependencies
    * the page reload will be delayed until the next rerun so we need
    * to be able to discard the result
    */
diff --git a/packages/vite/src/node/optimizer/optimizer.ts b/packages/vite/src/node/optimizer/optimizer.ts
index b754a01ca411a3..9bf03aa88005b0 100644
--- a/packages/vite/src/node/optimizer/optimizer.ts
+++ b/packages/vite/src/node/optimizer/optimizer.ts
@@ -240,12 +240,12 @@ async function createDepsOptimizer(
     depOptimizationProcessingQueue.push(depOptimizationProcessing)
 
     // Create a new promise for the next rerun, discovered missing
-    // dependencies will be asigned this promise from this point
+    // dependencies will be assigned this promise from this point
     depOptimizationProcessing = newDepOptimizationProcessing()
   }
 
   async function optimizeNewDeps() {
-    // a succesful completion of the optimizeDeps rerun will end up
+    // a successful completion of the optimizeDeps rerun will end up
     // creating new bundled version of all current and discovered deps
     // in the cache dir and a new metadata info object assigned
     // to _metadata. A fullReload is only issued if the previous bundled
@@ -391,7 +391,7 @@ async function createDepsOptimizer(
       } else {
         if (newDepsDiscovered) {
           // There are newly discovered deps, and another rerun is about to be
-          // excecuted. Avoid the current full reload discarding this rerun result
+          // executed. Avoid the current full reload discarding this rerun result
           // We don't resolve the processing promise, as they will be resolved
           // once a rerun is committed
           processingResult.cancel()
@@ -528,7 +528,7 @@ async function createDepsOptimizer(
       src: resolved,
       // Assing a browserHash to this missing dependency that is unique to
       // the current state of known + missing deps. If its optimizeDeps run
-      // doesn't alter the bundled files of previous known dependendencies,
+      // doesn't alter the bundled files of previous known dependencies,
       // we don't need a full reload and this browserHash will be kept
       browserHash: getDiscoveredBrowserHash(
         metadata.hash,
diff --git a/packages/vite/src/node/plugins/html.ts b/packages/vite/src/node/plugins/html.ts
index 5287e6e5208ab5..6618d317fc8319 100644
--- a/packages/vite/src/node/plugins/html.ts
+++ b/packages/vite/src/node/plugins/html.ts
@@ -45,7 +45,7 @@ interface ScriptAssetsUrl {
   url: string
 }
 
-const htmlProxyRE = /\?html-proxy=?[&inline\-css]*&index=(\d+)\.(js|css)$/
+const htmlProxyRE = /\?html-proxy=?(?:&inline-css)?&index=(\d+)\.(js|css)$/
 const inlineCSSRE = /__VITE_INLINE_CSS__([a-z\d]{8}_\d+)__/g
 // Do not allow preceding '.', but do allow preceding '...' for spread operations
 const inlineImportRE =
diff --git a/packages/vite/src/node/server/middlewares/transform.ts b/packages/vite/src/node/server/middlewares/transform.ts
index 8d240df9cda2f1..1bba1711e1b326 100644
--- a/packages/vite/src/node/server/middlewares/transform.ts
+++ b/packages/vite/src/node/server/middlewares/transform.ts
@@ -218,9 +218,9 @@ export function transformMiddleware(
         }
         // We don't need to log an error in this case, the request
         // is outdated because new dependencies were discovered and
-        // the new pre-bundle dependendencies have changed.
+        // the new pre-bundle dependencies have changed.
         // A full-page reload has been issued, and these old requests
-        // can't be properly fullfilled. This isn't an unexpected
+        // can't be properly fulfilled. This isn't an unexpected
         // error but a normal part of the missing deps discovery flow
         return
       }
diff --git a/packages/vite/src/node/ssr/ssrModuleLoader.ts b/packages/vite/src/node/ssr/ssrModuleLoader.ts
index e856b02402b659..8f61125c134d8c 100644
--- a/packages/vite/src/node/ssr/ssrModuleLoader.ts
+++ b/packages/vite/src/node/ssr/ssrModuleLoader.ts
@@ -307,7 +307,7 @@ async function nodeImport(
 
 // rollup-style default import interop for cjs
 function proxyESM(mod: any) {
-  // This is the only sensible option when the exports object is a primitve
+  // This is the only sensible option when the exports object is a primitive
   if (isPrimitive(mod)) return { default: mod }
 
   let defaultExport = 'default' in mod ? mod.default : mod
diff --git a/playground/css/index.html b/playground/css/index.html
index 7e591ee25f0a5b..39e4305ceda7b8 100644
--- a/playground/css/index.html
+++ b/playground/css/index.html
@@ -100,13 +100,13 @@ <h1>CSS</h1>
   <pre class="charset-css"></pre>
 
   <p class="css-dep">
-    @import dependency w/ style enrtrypoints: this should be purple
+    @import dependency w/ style entrypoints: this should be purple
   </p>
   <p class="css-dep-sass">
-    @import dependency w/ sass enrtrypoints: this should be orange
+    @import dependency w/ sass entrypoints: this should be orange
   </p>
   <p class="css-dep-stylus">
-    @import dependency w/ styl enrtrypoints: this should be red
+    @import dependency w/ styl entrypoints: this should be red
   </p>
 
   <p class="dir-dep">PostCSS dir-dependency: this should be grey</p>
diff --git a/playground/define/__tests__/define.spec.ts b/playground/define/__tests__/define.spec.ts
index 76b1dfef5feb39..c22a622f3bfc21 100644
--- a/playground/define/__tests__/define.spec.ts
+++ b/playground/define/__tests__/define.spec.ts
@@ -37,7 +37,7 @@ test('string', async () => {
   )
   expect(await page.textContent('.no-identifier-substring')).toBe(String(true))
   expect(await page.textContent('.no-property')).toBe(String(true))
-  // html would't need to define replacement
+  // html wouldn't need to define replacement
   expect(await page.textContent('.exp-define')).toBe('__EXP__')
   expect(await page.textContent('.import-json')).toBe('__EXP__')
   expect(await page.textContent('.define-in-dep')).toBe(
diff --git a/playground/hmr/accept-exports/main-accepted/main-accepted.ts b/playground/hmr/accept-exports/main-accepted/main-accepted.ts
index f48bc7011ff652..0156fbf39d92e2 100644
--- a/playground/hmr/accept-exports/main-accepted/main-accepted.ts
+++ b/playground/hmr/accept-exports/main-accepted/main-accepted.ts
@@ -1,7 +1,7 @@
 import def, { a } from './target'
 import { x } from './callback'
 
-// we don't want to polute other checks' logs...
+// we don't want to pollute other checks' logs...
 if (0 > 1) console.log(x)
 
 console.log(`>>>>>> ${a} ${def}`)
diff --git a/playground/legacy/__tests__/legacy.spec.ts b/playground/legacy/__tests__/legacy.spec.ts
index 4825757830a901..e9375e051efa6d 100644
--- a/playground/legacy/__tests__/legacy.spec.ts
+++ b/playground/legacy/__tests__/legacy.spec.ts
@@ -81,7 +81,7 @@ describe.runIf(isBuild)('build', () => {
   test('should minify legacy chunks with terser', async () => {
     // This is a ghetto heuristic, but terser output seems to reliably start
     // with one of the following, and non-terser output (including unminified or
-    // ebuild-minified) does not!
+    // esbuild-minified) does not!
     const terserPattern = /^(?:!function|System.register)/
 
     expect(findAssetFile(/chunk-async-legacy/)).toMatch(terserPattern)
diff --git a/playground/resolve/browser-field/no-ext-index/index.js b/playground/resolve/browser-field/no-ext-index/index.js
index d3f4967324ffb7..cfce659df53665 100644
--- a/playground/resolve/browser-field/no-ext-index/index.js
+++ b/playground/resolve/browser-field/no-ext-index/index.js
@@ -1,2 +1,2 @@
-import jsdom from 'jsdom' // should be redireted to empty module
+import jsdom from 'jsdom' // should be redirected to empty module
 export default ''
diff --git a/playground/resolve/browser-field/no-ext.js b/playground/resolve/browser-field/no-ext.js
index d3f4967324ffb7..cfce659df53665 100644
--- a/playground/resolve/browser-field/no-ext.js
+++ b/playground/resolve/browser-field/no-ext.js
@@ -1,2 +1,2 @@
-import jsdom from 'jsdom' // should be redireted to empty module
+import jsdom from 'jsdom' // should be redirected to empty module
 export default ''
diff --git a/playground/resolve/browser-field/out/esm.browser.js b/playground/resolve/browser-field/out/esm.browser.js
index bddf03df0b0c22..b473ac9059ee74 100644
--- a/playground/resolve/browser-field/out/esm.browser.js
+++ b/playground/resolve/browser-field/out/esm.browser.js
@@ -1,2 +1,2 @@
-import jsdom from 'jsdom' // should be redireted to empty module
+import jsdom from 'jsdom' // should be redirected to empty module
 export default '[success] resolve browser field'
diff --git a/playground/tailwind/src/router.ts b/playground/tailwind/src/router.ts
index 32f1a47b40540d..cfcf2a29b637e2 100644
--- a/playground/tailwind/src/router.ts
+++ b/playground/tailwind/src/router.ts
@@ -3,7 +3,7 @@ import Page from './views/Page.vue'
 
 const history = createWebHistory()
 
-const routeur = createRouter({
+const router = createRouter({
   history: history,
   routes: [
     {
@@ -13,4 +13,4 @@ const routeur = createRouter({
   ]
 })
 
-export default routeur
+export default router
diff --git a/playground/vue/__tests__/vue.spec.ts b/playground/vue/__tests__/vue.spec.ts
index 4a55bdfe80802f..b2fbcf4e093cf5 100644
--- a/playground/vue/__tests__/vue.spec.ts
+++ b/playground/vue/__tests__/vue.spec.ts
@@ -212,7 +212,7 @@ describe('src imports', () => {
     await untilUpdated(() => getColor(el), 'red')
   })
 
-  test('tempalte src import hmr', async () => {
+  test('template src import hmr', async () => {
     const el = await page.$('.src-imports-style')
     editFile('src-import/template.html', (code) =>
       code.replace('should be tan', 'should be red')