This section covers the features and improvements that have been added to Sable on top of its upstream base.

• Threads — Reply to messages in side-panel threads, browse all room threads, and get unread badges on thread chips.
• Notifications — Privacy-first push notifications, DM sidebar avatars, reaction notifications, and encrypted message notifications.
• Privacy & Crash Reporting — Opt-in crash reporting via Sentry with full data scrubbing, and a privacy settings section.
• Settings Sync — Keep your settings in sync automatically across all your devices.
• Room Abbreviations — Define glossary terms in a room or space that appear as tooltips when hovered.
• UI Improvements — A collection of quality-of-life improvements across the whole app.
• Presence — Control whether your online/away status is shared with others.
• Developer Tools — Internal debug log viewer and in-app bug report command.