diff --git a/.changeset/good-carpets-confess.md b/.changeset/good-carpets-confess.md
deleted file mode 100644
index c7095d3aa..000000000
--- a/.changeset/good-carpets-confess.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'astro': patch
----
-
-Do not add base path to a hoisted script body
diff --git a/.changeset/mean-knives-smash.md b/.changeset/mean-knives-smash.md
deleted file mode 100644
index 4c4c4d85e..000000000
--- a/.changeset/mean-knives-smash.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'astro': patch
----
-
-Add preact and sitemap integration to config load external list
diff --git a/.changeset/stupid-shoes-complain.md b/.changeset/stupid-shoes-complain.md
deleted file mode 100644
index 09669cf15..000000000
--- a/.changeset/stupid-shoes-complain.md
+++ /dev/null
@@ -1,7 +0,0 @@
----
-'astro': minor
----
-
-Correctly handle spaces and capitalization in `src/content/` file names. This introduces github-slugger for slug generation to ensure slugs are usable by `getStaticPaths`. Changes:
-- Resolve spaces and capitalization: `collection/Entry With Spaces.md` becomes `collection/entry-with-spaces`.
-- Truncate `/index` paths to base URL: `collection/index.md` becomes `collection`
diff --git a/.changeset/yellow-gifts-complain.md b/.changeset/yellow-gifts-complain.md
deleted file mode 100644
index f220d26c8..000000000
--- a/.changeset/yellow-gifts-complain.md
+++ /dev/null
@@ -1,5 +0,0 @@
----
-'astro': patch
----
-
-Fix `import.meta.env.DEV` always being set to `true` when using Content Collections
diff --git a/examples/basics/package.json b/examples/basics/package.json
index 7d2592edd..c8c19c62e 100644
--- a/examples/basics/package.json
+++ b/examples/basics/package.json
@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/blog/package.json b/examples/blog/package.json
index c1e8393ad..ac30b5213 100644
--- a/examples/blog/package.json
+++ b/examples/blog/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "@astrojs/mdx": "^0.14.0",
     "@astrojs/rss": "^2.0.0",
     "@astrojs/sitemap": "^1.0.0"
diff --git a/examples/component/package.json b/examples/component/package.json
index 4e2d706b9..55e4a6dd8 100644
--- a/examples/component/package.json
+++ b/examples/component/package.json
@@ -15,7 +15,7 @@
   ],
   "scripts": {},
   "devDependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   },
   "peerDependencies": {
     "astro": "^1.7.2"
diff --git a/examples/deno/package.json b/examples/deno/package.json
index a8f641333..402a1e990 100644
--- a/examples/deno/package.json
+++ b/examples/deno/package.json
@@ -10,7 +10,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   },
   "devDependencies": {
     "@astrojs/deno": "^3.0.0"
diff --git a/examples/docs/package.json b/examples/docs/package.json
index da2bf808e..f9b87df31 100644
--- a/examples/docs/package.json
+++ b/examples/docs/package.json
@@ -12,7 +12,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "preact": "^10.7.3",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
diff --git a/examples/framework-alpine/package.json b/examples/framework-alpine/package.json
index b2fcaebe2..991cc918e 100644
--- a/examples/framework-alpine/package.json
+++ b/examples/framework-alpine/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "alpinejs": "^3.10.2",
     "@astrojs/alpinejs": "^0.1.2",
     "@types/alpinejs": "^3.7.0"
diff --git a/examples/framework-lit/package.json b/examples/framework-lit/package.json
index 8b7100286..b933e7766 100644
--- a/examples/framework-lit/package.json
+++ b/examples/framework-lit/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "lit": "^2.2.5",
     "@astrojs/lit": "^1.0.0",
     "@webcomponents/template-shadowroot": "^0.1.0"
diff --git a/examples/framework-multiple/package.json b/examples/framework-multiple/package.json
index f069ed750..c21335947 100644
--- a/examples/framework-multiple/package.json
+++ b/examples/framework-multiple/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "preact": "^10.7.3",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
diff --git a/examples/framework-preact/package.json b/examples/framework-preact/package.json
index fec717fb2..cbb556326 100644
--- a/examples/framework-preact/package.json
+++ b/examples/framework-preact/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "preact": "^10.7.3",
     "@astrojs/preact": "^1.2.0",
     "@preact/signals": "^1.1.0"
diff --git a/examples/framework-react/package.json b/examples/framework-react/package.json
index 116ebf378..a4ff3b4d8 100644
--- a/examples/framework-react/package.json
+++ b/examples/framework-react/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "react": "^18.1.0",
     "react-dom": "^18.1.0",
     "@astrojs/react": "^1.2.2",
diff --git a/examples/framework-solid/package.json b/examples/framework-solid/package.json
index 782a34f8d..c679a7ed5 100644
--- a/examples/framework-solid/package.json
+++ b/examples/framework-solid/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "solid-js": "^1.4.3",
     "@astrojs/solid-js": "^1.2.3"
   }
diff --git a/examples/framework-svelte/package.json b/examples/framework-svelte/package.json
index 9401fc119..ca1bd5f8b 100644
--- a/examples/framework-svelte/package.json
+++ b/examples/framework-svelte/package.json
@@ -13,6 +13,6 @@
   "dependencies": {
     "svelte": "^3.48.0",
     "@astrojs/svelte": "^1.0.2",
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/framework-vue/package.json b/examples/framework-vue/package.json
index d5edc7cdf..04d55915b 100644
--- a/examples/framework-vue/package.json
+++ b/examples/framework-vue/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "vue": "^3.2.37",
     "@astrojs/vue": "^1.2.2"
   }
diff --git a/examples/hackernews/package.json b/examples/hackernews/package.json
index 568ca9a6b..98cbcd067 100644
--- a/examples/hackernews/package.json
+++ b/examples/hackernews/package.json
@@ -13,6 +13,6 @@
   },
   "dependencies": {
     "@astrojs/node": "^4.0.0",
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/integration/package.json b/examples/integration/package.json
index 35b81fe81..75dfac09c 100644
--- a/examples/integration/package.json
+++ b/examples/integration/package.json
@@ -15,7 +15,7 @@
   ],
   "scripts": {},
   "devDependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   },
   "peerDependencies": {
     "astro": "^1.7.2"
diff --git a/examples/minimal/package.json b/examples/minimal/package.json
index 3747f2b27..7f0e17aec 100644
--- a/examples/minimal/package.json
+++ b/examples/minimal/package.json
@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/non-html-pages/package.json b/examples/non-html-pages/package.json
index 1edf36958..f37872df2 100644
--- a/examples/non-html-pages/package.json
+++ b/examples/non-html-pages/package.json
@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/portfolio/package.json b/examples/portfolio/package.json
index a3698d8c7..9e97536e8 100644
--- a/examples/portfolio/package.json
+++ b/examples/portfolio/package.json
@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/ssr/package.json b/examples/ssr/package.json
index 8e89ae0df..4f8d88c15 100644
--- a/examples/ssr/package.json
+++ b/examples/ssr/package.json
@@ -12,7 +12,7 @@
     "server": "node dist/server/entry.mjs"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "svelte": "^3.48.0",
     "@astrojs/svelte": "^1.0.2",
     "@astrojs/node": "^4.0.0",
diff --git a/examples/with-content/package.json b/examples/with-content/package.json
index cb41f9524..4793db5b9 100644
--- a/examples/with-content/package.json
+++ b/examples/with-content/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "@astrojs/mdx": "^0.14.0",
     "@astrojs/sitemap": "^1.0.0"
   }
diff --git a/examples/with-markdown-plugins/package.json b/examples/with-markdown-plugins/package.json
index 479624b11..606a457e2 100644
--- a/examples/with-markdown-plugins/package.json
+++ b/examples/with-markdown-plugins/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "@astrojs/markdown-remark": "^1.2.0",
     "hast-util-select": "5.0.1",
     "rehype-autolink-headings": "^6.1.1",
diff --git a/examples/with-markdown-shiki/package.json b/examples/with-markdown-shiki/package.json
index ea1ddd4fd..29277f9a4 100644
--- a/examples/with-markdown-shiki/package.json
+++ b/examples/with-markdown-shiki/package.json
@@ -11,6 +11,6 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0"
+    "astro": "^1.9.0"
   }
 }
diff --git a/examples/with-mdx/package.json b/examples/with-mdx/package.json
index 6bb3cca75..d1668bd4c 100644
--- a/examples/with-mdx/package.json
+++ b/examples/with-mdx/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "preact": "^10.6.5",
     "@astrojs/preact": "^1.2.0",
     "@astrojs/mdx": "^0.14.0"
diff --git a/examples/with-nanostores/package.json b/examples/with-nanostores/package.json
index e6c1bb9c8..12eabda76 100644
--- a/examples/with-nanostores/package.json
+++ b/examples/with-nanostores/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "preact": "^10.7.3",
     "@astrojs/preact": "^1.2.0",
     "nanostores": "^0.5.12",
diff --git a/examples/with-tailwindcss/package.json b/examples/with-tailwindcss/package.json
index 5dfdac321..c206be0c3 100644
--- a/examples/with-tailwindcss/package.json
+++ b/examples/with-tailwindcss/package.json
@@ -14,7 +14,7 @@
     "@astrojs/mdx": "^0.14.0",
     "@astrojs/tailwind": "^2.1.3",
     "@types/canvas-confetti": "^1.4.3",
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "autoprefixer": "^10.4.7",
     "canvas-confetti": "^1.5.1",
     "postcss": "^8.4.14",
diff --git a/examples/with-vite-plugin-pwa/package.json b/examples/with-vite-plugin-pwa/package.json
index 8b844b3c0..ecba711b1 100644
--- a/examples/with-vite-plugin-pwa/package.json
+++ b/examples/with-vite-plugin-pwa/package.json
@@ -11,7 +11,7 @@
     "astro": "astro"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "vite-plugin-pwa": "0.11.11",
     "workbox-window": "^6.5.3"
   }
diff --git a/examples/with-vitest/package.json b/examples/with-vitest/package.json
index 2024205f0..de8e5520f 100644
--- a/examples/with-vitest/package.json
+++ b/examples/with-vitest/package.json
@@ -12,7 +12,7 @@
     "test": "vitest"
   },
   "dependencies": {
-    "astro": "^1.8.0",
+    "astro": "^1.9.0",
     "vitest": "^0.20.3"
   }
 }
diff --git a/packages/astro/CHANGELOG.md b/packages/astro/CHANGELOG.md
index 71ae2a732..2998942d1 100644
--- a/packages/astro/CHANGELOG.md
+++ b/packages/astro/CHANGELOG.md
@@ -1,5 +1,21 @@
 # astro
 
+## 1.9.0
+
+### Minor Changes
+
+- [#5666](https://github.com/withastro/astro/pull/5666) [`bf210f784`](https://github.com/withastro/astro/commit/bf210f7841711439f7db6c2b1f369e54a70b03d3) Thanks [@bholmesdev](https://github.com/bholmesdev)! - Correctly handle spaces and capitalization in `src/content/` file names. This introduces github-slugger for slug generation to ensure slugs are usable by `getStaticPaths`. Changes:
+  - Resolve spaces and capitalization: `collection/Entry With Spaces.md` becomes `collection/entry-with-spaces`.
+  - Truncate `/index` paths to base URL: `collection/index.md` becomes `collection`
+
+### Patch Changes
+
+- [#5720](https://github.com/withastro/astro/pull/5720) [`fe316be86`](https://github.com/withastro/astro/commit/fe316be86f4dfecff78effbecdc10f7348406d27) Thanks [@umarov](https://github.com/umarov)! - Do not add base path to a hoisted script body
+
+- [#5706](https://github.com/withastro/astro/pull/5706) [`c2844a79c`](https://github.com/withastro/astro/commit/c2844a79c8c94466481f5f3a37af259bb4cbf276) Thanks [@bluwy](https://github.com/bluwy)! - Add preact and sitemap integration to config load external list
+
+- [#5700](https://github.com/withastro/astro/pull/5700) [`3aa3e00a6`](https://github.com/withastro/astro/commit/3aa3e00a63b63ae443f824f11cffde2a194ea4bf) Thanks [@bholmesdev](https://github.com/bholmesdev)! - Fix `import.meta.env.DEV` always being set to `true` when using Content Collections
+
 ## 1.8.0
 
 ### Minor Changes
diff --git a/packages/astro/package.json b/packages/astro/package.json
index 395e43260..946c4f277 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -1,6 +1,6 @@
 {
   "name": "astro",
-  "version": "1.8.0",
+  "version": "1.9.0",
   "description": "Astro is a modern site builder with web best practices, performance, and DX front-of-mind.",
   "type": "module",
   "author": "withastro",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9f88b60b5..76741d9b1 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -63,7 +63,7 @@ importers:
 
   examples/basics:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
 
@@ -72,7 +72,7 @@ importers:
       '@astrojs/mdx': ^0.14.0
       '@astrojs/rss': ^2.0.0
       '@astrojs/sitemap': ^1.0.0
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       '@astrojs/mdx': link:../../packages/integrations/mdx
       '@astrojs/rss': link:../../packages/astro-rss
@@ -81,14 +81,14 @@ importers:
 
   examples/component:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     devDependencies:
       astro: link:../../packages/astro
 
   examples/deno:
     specifiers:
       '@astrojs/deno': ^3.0.0
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
     devDependencies:
@@ -104,7 +104,7 @@ importers:
       '@types/node': ^18.0.0
       '@types/react': ^17.0.45
       '@types/react-dom': ^18.0.0
-      astro: ^1.8.0
+      astro: ^1.9.0
       html-escaper: ^3.0.3
       preact: ^10.7.3
       react: ^18.1.0
@@ -130,7 +130,7 @@ importers:
       '@astrojs/alpinejs': ^0.1.2
       '@types/alpinejs': ^3.7.0
       alpinejs: ^3.10.2
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       '@astrojs/alpinejs': link:../../packages/integrations/alpinejs
       '@types/alpinejs': 3.7.1
@@ -141,7 +141,7 @@ importers:
     specifiers:
       '@astrojs/lit': ^1.0.0
       '@webcomponents/template-shadowroot': ^0.1.0
-      astro: ^1.8.0
+      astro: ^1.9.0
       lit: ^2.2.5
     dependencies:
       '@astrojs/lit': link:../../packages/integrations/lit
@@ -156,7 +156,7 @@ importers:
       '@astrojs/solid-js': ^1.2.3
       '@astrojs/svelte': ^1.0.2
       '@astrojs/vue': ^1.2.2
-      astro: ^1.8.0
+      astro: ^1.9.0
       preact: ^10.7.3
       react: ^18.1.0
       react-dom: ^18.1.0
@@ -181,7 +181,7 @@ importers:
     specifiers:
       '@astrojs/preact': ^1.2.0
       '@preact/signals': ^1.1.0
-      astro: ^1.8.0
+      astro: ^1.9.0
       preact: ^10.7.3
     dependencies:
       '@astrojs/preact': link:../../packages/integrations/preact
@@ -194,7 +194,7 @@ importers:
       '@astrojs/react': ^1.2.2
       '@types/react': ^18.0.10
       '@types/react-dom': ^18.0.5
-      astro: ^1.8.0
+      astro: ^1.9.0
       react: ^18.1.0
       react-dom: ^18.1.0
     dependencies:
@@ -208,7 +208,7 @@ importers:
   examples/framework-solid:
     specifiers:
       '@astrojs/solid-js': ^1.2.3
-      astro: ^1.8.0
+      astro: ^1.9.0
       solid-js: ^1.4.3
     dependencies:
       '@astrojs/solid-js': link:../../packages/integrations/solid
@@ -218,7 +218,7 @@ importers:
   examples/framework-svelte:
     specifiers:
       '@astrojs/svelte': ^1.0.2
-      astro: ^1.8.0
+      astro: ^1.9.0
       svelte: ^3.48.0
     dependencies:
       '@astrojs/svelte': link:../../packages/integrations/svelte
@@ -228,7 +228,7 @@ importers:
   examples/framework-vue:
     specifiers:
       '@astrojs/vue': ^1.2.2
-      astro: ^1.8.0
+      astro: ^1.9.0
       vue: ^3.2.37
     dependencies:
       '@astrojs/vue': link:../../packages/integrations/vue
@@ -238,32 +238,32 @@ importers:
   examples/hackernews:
     specifiers:
       '@astrojs/node': ^4.0.0
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       '@astrojs/node': link:../../packages/integrations/node
       astro: link:../../packages/astro
 
   examples/integration:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     devDependencies:
       astro: link:../../packages/astro
 
   examples/minimal:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
 
   examples/non-html-pages:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
 
   examples/portfolio:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
 
@@ -271,7 +271,7 @@ importers:
     specifiers:
       '@astrojs/node': ^4.0.0
       '@astrojs/svelte': ^1.0.2
-      astro: ^1.8.0
+      astro: ^1.9.0
       concurrently: ^7.2.1
       svelte: ^3.48.0
       unocss: ^0.15.6
@@ -289,7 +289,7 @@ importers:
     specifiers:
       '@astrojs/mdx': ^0.14.0
       '@astrojs/sitemap': ^1.0.0
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       '@astrojs/mdx': link:../../packages/integrations/mdx
       '@astrojs/sitemap': link:../../packages/integrations/sitemap
@@ -298,7 +298,7 @@ importers:
   examples/with-markdown-plugins:
     specifiers:
       '@astrojs/markdown-remark': ^1.2.0
-      astro: ^1.8.0
+      astro: ^1.9.0
       hast-util-select: 5.0.1
       rehype-autolink-headings: ^6.1.1
       rehype-slug: ^5.0.1
@@ -315,7 +315,7 @@ importers:
 
   examples/with-markdown-shiki:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
     dependencies:
       astro: link:../../packages/astro
 
@@ -323,7 +323,7 @@ importers:
     specifiers:
       '@astrojs/mdx': ^0.14.0
       '@astrojs/preact': ^1.2.0
-      astro: ^1.8.0
+      astro: ^1.9.0
       preact: ^10.6.5
     dependencies:
       '@astrojs/mdx': link:../../packages/integrations/mdx
@@ -335,7 +335,7 @@ importers:
     specifiers:
       '@astrojs/preact': ^1.2.0
       '@nanostores/preact': ^0.1.3
-      astro: ^1.8.0
+      astro: ^1.9.0
       nanostores: ^0.5.12
       preact: ^10.7.3
     dependencies:
@@ -350,7 +350,7 @@ importers:
       '@astrojs/mdx': ^0.14.0
       '@astrojs/tailwind': ^2.1.3
       '@types/canvas-confetti': ^1.4.3
-      astro: ^1.8.0
+      astro: ^1.9.0
       autoprefixer: ^10.4.7
       canvas-confetti: ^1.5.1
       postcss: ^8.4.14
@@ -367,7 +367,7 @@ importers:
 
   examples/with-vite-plugin-pwa:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
       vite-plugin-pwa: 0.11.11
       workbox-window: ^6.5.3
     dependencies:
@@ -377,7 +377,7 @@ importers:
 
   examples/with-vitest:
     specifiers:
-      astro: ^1.8.0
+      astro: ^1.9.0
       vitest: ^0.20.3
     dependencies:
       astro: link:../../packages/astro