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Layer 18
1 – Base layer
2 – New userpic notifications
3 – Send message can trigger link change
4 – Check-in chats
5 – Localized SMS, localized notifications
6 – Foursquare integration
7 – Added wallPaperSolid
8 – Added end-to-end encryption
9 – Improved big files upload perfomance
10 – Improved chat participants updates
11 – Improved secret chats
12 – New dynamic support
13 – Audio, video MIME; contacts import retry; new secret actions
14 – Notify settings sync, blacklist sync
15 – Modified getHistory offset behaviour
16 – Split sendCode into 2 parts
17 – Added custom typing, introduced message flags
18 – Added usernames
23 – Stickers for secret chats
105 – Scheduled messages, Cloud themes
108 – Login with QR code
109 – Polls v2
110 – People Nearby 2.0, Bank card entity
111 – Folders, Broadcast Stats
112 – Old featured stickers, generic dice, poll timer, poll solution
113 – PSA
114 – Video thumbs for GIFs
115 – Peek Channel Invite
116 – Group Stats, Profile Videos
117 – WebRTC Phone Calls
118 – Callback with 2FA, Countries list
119 – Comments in channels, Threads, Anonymous Admins
120 – Multipins, Message Stats, GeoLive v2
121 – SVG-based Outlines for Stickers
122 – Voice Chats
123 – Voice Chat improvements
124 – Expiring Invite links
125 – Voice Chats in Broadcasts
126 – Ban channels in channels
127 – Payments in channels
128 – Microthumbs for User/Chat profile photos
129 – Video Chats
130 – Custom placeholder for bot reply keyboards
131 – Reset 2FA Password after a week
132 – Chat themes
133 – 64-bit IDs for User/Chat
134 – Chat Requests, Shared Media Calendar
135 – Send Message As a Channel
136 – Reactions
137 – Translations
138 – GIF Sticker Packs
139 – RTMP streaming
140 – WebApps, Cloud Ringtones
142 – TCP Reflectors
143 – Premium Subscription, Cloud Invoices
144 – Premium as a Gift, Custom Emoji
145 – Custom Reactions, Statuses, Sign In with email
147 – Keywords for stickers and emojis
148 – Forums, collectible usernames
150 – Pinned forum topics, general topic
151 – Media spoilers, suggested profile photos
152 – Real-time translations, Firebase SMS authentication
153 – Modify created stickersets
155 – Dates for reactions
158 – Shared folders, per-chat wallpapers
159 – Anonymous votes
160 – Stories
164 – Stories in Channels
166 – Giveaways in channels
167 – Similar channels
168 – Channel colors
169 – Multiselection of chats for bots
170 – Saved Messages 2.0
171 – Saved Messages 2.0
174 – Group boosts
176 – Business
177 – Business Bots, Birthdays
178 – Saved Personal channel, Reactions notifications
179 – Channel revenue stats, phrases in SMS
180 – Message Effects, Hashtags
181 – Stars
182 – Stars Revenue
183 – Paid posts
184 – Stars Refunds
185 – MiniApp Store, Star Gifts
186 – Channel Subscriptions for Stars
187 – Stars Giveaways
189 – Stars Gifts
192 – Video Qualities, Ads in bots
194 – Stars Subscription for Bots
195 – Affiliate Programs for Bots
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Constructor schema is available as of layer 59.
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