Settings

Open Settings in the app (on the Mac, its Settings window). Search Settings at the top finds any option by name. The sections, in order:

#Accounts & Sources

Add and manage sources (Connecting sources), Default Server, Profiles, Parental Controls, the Local Library, and moving sign-ins between devices: Send Sign-Ins to Apple TV on iPhone, Set Up from iPhone on Apple TV, and iCloud ▸ Sync Server Logins. For Plex, Sync Watchlist with Plex.

• Profiles — up to five (two free, three more with Supporter), each with its own server sign-ins, library access, PIN and age limit; a Plex Home user can be paired with a profile. A deleted profile stays in Recently Deleted for 30 days.
• Parental Controls — limit by age rating. Unlocking uses Face ID, Touch ID, Optic ID or the device passcode (a 4-digit PIN on Apple TV). Parental controls apply to the device they are set on.

#Services & Sync

• iCloud Sync — the Sync With iCloud switch, and separate switches for Resume Positions, Home Layout, Watchlist & Ratings, Profiles, Playback Settings, Appearance & Home, and Live TV. All are on by default.
• Tracking With — Off, Trakt, Simkl or MDBList.
• OpenSubtitles, Inbox (not on Apple TV) and Seerr (request titles from your Seerr server).

#Playback

• Defaults — Sync Progress Across Servers, Show End Time, Recognize Music Automatically, Video Player, PrismCore, PrismCore Software Path, Dolby Vision, Default Quality, Player Gestures, and (iPhone) Allow Portrait Playback. See Playback.
• Audio & Subtitles — languages, auto-selection, Subtitle Style, Subtitles on Rewind. See Audio and subtitles.
• Episodes — Skip Intro, Skip Recaps & Previews, Skip Credits, Community Intro Data, and Up Next.
• Previews — trailer and theme-music autoplay on title pages.
• Play on Apple TV (iPhone and iPad) / Open Titles from Nearby Devices (Apple TV).
• Cinema (Vision Pro).

#Home & Library

The tab bar, Home Rails (rename, reorder, landscape cards), Hero Source, which rails appear (Trending, In Theaters, Up Next), Search Media Servers, which servers appear in the library, metadata services (TMDb, OMDb and TheTVDB keys: built-in or your own), the order of ratings, Streaming Services and your region, Recommendations (with Use Apple Intelligence where available), poster size, how watched titles are shown, and Hide Episode Spoilers.

#Storage

(On Apple TV: Cache.) Downloads and how much space they use, Wi-Fi Only, Keep Screen On while downloading, a Storage Ceiling, Smart Downloads (Supporter: episodes ahead, delete after watching), the Playback Cache and Prefetch Ahead with Clear, Clear Image Cache, and Export Tracking Data (JSON).

#Music

(Not on Apple TV.) Show Music, Enhance Metadata Online (MusicBrainz) and Remember Track Position.

#Live TV

Your playlists, Use on This Device, Plex Live TV per server, Show Live TV, Sync Playlists via iCloud, the guide's length (12 hours by default, up to 72) and Sports Scores.

#Appearance

Language; Theme (System, Dark or Light); Accent Color (Aether Blue, plus Gold, Copper, Ruby, Emerald, Violet and Silver for Supporters); Background (Cinematic, Graphite, or Pure Black for Supporters); titles and release years under posters; title logos in the app's language; the Home hero style. On Apple TV: the focus style, the menu bar position and Prevent Accidental Exit. On iPhone and iPad: the App Icon.

#Help & About

(On Apple TV: Support & About.) Log, Support Aether, Report a Bug, Send Diagnostics, Anonymous Usage Statistics, Debug Mode; About Aether, Licenses, Privacy Policy and the version (tap it for What's New). Reset ▸ Erase All Content & Settings returns the app to a fresh install. See Troubleshooting.

#On the Mac

The Mac's Settings window has the same areas as panes — Accounts & Sources, Services & Sync, Profiles, Playback, Home & Library (with Parental Controls), Storage, Music, Live TV, Appearance (including Keep Aether in the menu bar), Support Aether and Help & About.