diff --git a/lib/sanity.ts b/lib/sanity.ts
index c1c9b3e..ad0e45e 100644
--- a/lib/sanity.ts
+++ b/lib/sanity.ts
@@ -55,3 +55,19 @@ export const postBySlugQuery = `
 export const postSlugsQuery = `
   *[_type == "post" && defined(slug.current)] { "slug": slug.current }
 `
+
+/** All changelog entries — published, newest first */
+export const changelogEntriesQuery = `
+  *[_type == "changelogEntry" && publishedAt <= now()]
+  | order(publishedAt desc) {
+    _id, title, version, publishedAt, tags, body
+  }
+`
+
+/** Roadmap items — excludes shipped, sorted by manual order */
+export const roadmapItemsQuery = `
+  *[_type == "roadmapItem" && status != "shipped"]
+  | order(order asc) {
+    _id, title, description, status, order
+  }
+`
diff --git a/middleware.ts b/middleware.ts
index bc1dae2..9194df3 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -25,6 +25,10 @@ function isPublicPath(pathname: string) {
   if (pathname === "/guides") return true;
   if (pathname.startsWith("/guides/")) return true;
 
+  // Changelog and feedback — always public
+  if (pathname === "/changelog") return true;
+  if (pathname === "/feedback") return true;
+
   // Static / framework assets
   if (pathname.startsWith("/_next")) return true;
   if (pathname === "/favicon.ico") return true;
diff --git a/types/changelog.ts b/types/changelog.ts
new file mode 100644
index 0000000..77cd23c
--- /dev/null
+++ b/types/changelog.ts
@@ -0,0 +1,24 @@
+export type ChangelogEntry = {
+  _id: string
+  title: string
+  version: string
+  publishedAt: string
+  tags: string[]
+  body: unknown[]
+}
+
+export type RoadmapItemData = {
+  _id: string
+  title: string
+  description: string
+  status: 'planned' | 'in-progress'
+  order: number
+}
+
+export type Tab = 'whats-new' | 'whats-next' | 'give-feedback'
+
+export type VoteState = {
+  count: number
+  voted: boolean
+  loading: boolean
+}