chore(release): 0.75.0 — quickfix batch #2 (Plex/downloads/playlists)

VERSION

@@ -1 +1 @@
-0.74.0
+0.75.0

frontend/src/lib/releaseNotes.ts

@@ -14,6 +14,26 @@ export interface ReleaseEntry {
 }
 
 export const RELEASE_NOTES: ReleaseEntry[] = [
+  {
+    version: "0.75.0",
+    date: "2026-08-29",
+    summary:
+      "A grab-bag batch across Plex, downloads and playlists: your watch state stays truer to Plex, shared audio plays on iPad, downloads from a site you're logged into work with your own cookies, and syncing a playlist to YouTube is now a true two-way merge with a preview.",
+    features: [
+      "Syncing a playlist to YouTube is now a true two-way merge: a video you added on YouTube and one you added in Siftlode both survive, genuine removals carry across, and you always see a preview of exactly what will change on each side before anything is written.",
+      "Download from a site that only shows a video to logged-in members (like a private Facebook group you belong to): paste your own browser cookies for that site under Settings → Account, and downloads from it use your login. Cookies are encrypted, kept private to your account, and only ever sent to the matching site.",
+      "Shared audio files (mp3) now play on iPhone and iPad, in a proper audio player instead of a broken video box.",
+    ],
+    fixes: [
+      'A movie you finish on Plex no longer lingers as "in progress" in Siftlode until the nightly reconcile — scrubbing through the end credits now marks it watched within the next sync.',
+      "A download that fails because the site needs a login you haven't set up now says so clearly and doesn't offer a pointless Retry; a genuinely temporary failure still offers one.",
+      "The Plex sort control's direction toggle no longer wraps onto two lines on the narrower popover, so it matches the feed's.",
+      "Adding a download no longer makes the app feel sluggish while it's converted in the background — the conversion is de-prioritised so the rest of the app and your share links stay responsive.",
+    ],
+    chores: [
+      "Introduced one shared action-button primitive across the app (the channel Subscribe button now matches Full history), and put the whole batch through several multi-agent deep-review rounds — findings fixed and re-reviewed each round until it came back clean, including data-integrity fixes to the new playlist merge.",
+    ],
+  },
   {
     version: "0.74.0",
     date: "2026-08-28",