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<meta property="og:description" content="Get changelog of current app. Typically, an updates constructor will be returned, containing one or more updateServiceNotification updates with app-specific changelogs.">
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<h1 id="dev_page_title">help.getAppChangelog</h1>
<div id="dev_page_content"><p>Get changelog of current app.<br>
Typically, an <a href="/constructor/updates">updates</a> constructor will be returned, containing one or more <a href="/constructor/updateServiceNotification">updateServiceNotification</a> updates with app-specific changelogs.</p>
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<li><a href="?layer=1">1 – Base layer</a></li><li><a href="?layer=2">2 – New userpic notifications</a></li><li><a href="?layer=3">3 – Send message can trigger link change</a></li><li><a href="?layer=4">4 – Check-in chats</a></li><li><a href="?layer=5">5 – Localized SMS, localized notifications</a></li><li><a href="?layer=6">6 – Foursquare integration</a></li><li><a href="?layer=7">7 – Added wallPaperSolid</a></li><li><a href="?layer=8">8 – Added end-to-end encryption</a></li><li><a href="?layer=9">9 – Improved big files upload perfomance</a></li><li><a href="?layer=10">10 – Improved chat participants updates</a></li><li><a href="?layer=11">11 – Improved secret chats</a></li><li><a href="?layer=12">12 – New dynamic support</a></li><li><a href="?layer=13">13 – Audio, video MIME; contacts import retry; new secret actions</a></li><li><a href="?layer=14">14 – Notify settings sync, blacklist sync</a></li><li><a href="?layer=15">15 – Modified getHistory offset behaviour</a></li><li><a href="?layer=16">16 – Split sendCode into 2 parts</a></li><li><a href="?layer=17">17 – Added custom typing, introduced message flags</a></li><li><a href="?layer=18">18 – Added usernames</a></li><li><a href="?layer=23">23 – Stickers for secret chats</a></li><li><a href="?layer=105">105 – Scheduled messages, Cloud themes</a></li><li><a href="?layer=108">108 – Login with QR code</a></li><li><a href="?layer=109">109 – Polls v2</a></li><li><a href="?layer=110">110 – People Nearby 2.0, Bank card entity</a></li><li><a href="?layer=111">111 – Folders, Broadcast Stats</a></li><li><a href="?layer=112">112 – Old featured stickers, generic dice, poll timer, poll solution</a></li><li><a href="?layer=113">113 – PSA</a></li><li><a href="?layer=114">114 – Video thumbs for GIFs</a></li><li><a href="?layer=115">115 – Peek Channel Invite</a></li><li><a href="?layer=116">116 – Group Stats, Profile Videos</a></li><li><a href="?layer=117">117 – WebRTC Phone Calls</a></li><li><a href="?layer=118">118 – Callback with 2FA, Countries list</a></li><li><a href="?layer=119">119 – Comments in channels, Threads, Anonymous Admins</a></li><li><a href="?layer=120">120 – Multipins, Message Stats, GeoLive v2</a></li><li><a href="?layer=121">121 – SVG-based Outlines for Stickers</a></li><li><a href="?layer=122">122 – Voice Chats</a></li><li><a href="?layer=123">123 – Voice Chat improvements</a></li><li><a href="?layer=124">124 – Expiring Invite links</a></li><li><a href="?layer=125">125 – Voice Chats in Broadcasts</a></li><li><a href="?layer=126">126 – Ban channels in channels</a></li><li><a href="?layer=127">127 – Payments in channels</a></li><li><a href="?layer=128">128 – Microthumbs for User/Chat profile photos</a></li><li><a href="?layer=129">129 – Video Chats</a></li><li><a href="?layer=130">130 – Custom placeholder for bot reply keyboards</a></li><li><a href="?layer=131">131 – Reset 2FA Password after a week</a></li><li><a href="?layer=132">132 – Chat themes</a></li><li><a href="?layer=133">133 – 64-bit IDs for User/Chat</a></li><li><a href="?layer=134">134 – Chat Requests, Shared Media Calendar</a></li><li><a href="?layer=135">135 – Send Message As a Channel</a></li><li><a href="?layer=136">136 – Reactions</a></li><li><a href="?layer=137">137 – Translations</a></li><li><a href="?layer=138">138 – GIF Sticker Packs</a></li><li><a href="?layer=139">139 – RTMP streaming</a></li><li><a href="?layer=140">140 – WebApps, Cloud Ringtones</a></li><li><a href="?layer=142">142 – TCP Reflectors</a></li><li><a href="?layer=143">143 – Premium Subscription, Cloud Invoices</a></li><li><a href="?layer=144">144 – Premium as a Gift, Custom Emoji</a></li><li><a href="?layer=145"><strong>145 – Custom Reactions, Sta
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<pre class="page_scheme"><code><a href="/constructor/updatesTooLong" >updatesTooLong</a>#e317af7e = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updateShortMessage" >updateShortMessage</a>#313bc7f8 flags:<a href="/type/%23" >#</a> out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:<a href="/type/int" >int</a> user_id:<a href="/type/long" >long</a> message:<a href="/type/string" >string</a> pts:<a href="/type/int" >int</a> pts_count:<a href="/type/int" >int</a> date:<a href="/type/int" >int</a> fwd_from:flags.2?<a href="/type/MessageFwdHeader" >MessageFwdHeader</a> via_bot_id:flags.11?<a href="/type/long" >long</a> reply_to:flags.3?<a href="/type/MessageReplyHeader" >MessageReplyHeader</a> entities:flags.7?<a href="/type/Vector%20t" >Vector</a><<a href="/type/MessageEntity" >MessageEntity</a>> ttl_period:flags.25?<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updateShortChatMessage" >updateShortChatMessage</a>#4d6deea5 flags:<a href="/type/%23" >#</a> out:flags.1?true mentioned:flags.4?true media_unread:flags.5?true silent:flags.13?true id:<a href="/type/int" >int</a> from_id:<a href="/type/long" >long</a> chat_id:<a href="/type/long" >long</a> message:<a href="/type/string" >string</a> pts:<a href="/type/int" >int</a> pts_count:<a href="/type/int" >int</a> date:<a href="/type/int" >int</a> fwd_from:flags.2?<a href="/type/MessageFwdHeader" >MessageFwdHeader</a> via_bot_id:flags.11?<a href="/type/long" >long</a> reply_to:flags.3?<a href="/type/MessageReplyHeader" >MessageReplyHeader</a> entities:flags.7?<a href="/type/Vector%20t" >Vector</a><<a href="/type/MessageEntity" >MessageEntity</a>> ttl_period:flags.25?<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updateShort" >updateShort</a>#78d4dec1 update:<a href="/type/Update" >Update</a> date:<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updatesCombined" >updatesCombined</a>#725b04c3 updates:<a href="/type/Vector%20t" >Vector</a><<a href="/type/Update" >Update</a>> users:<a href="/type/Vector%20t" >Vector</a><<a href="/type/User" >User</a>> chats:<a href="/type/Vector%20t" >Vector</a><<a href="/type/Chat" >Chat</a>> date:<a href="/type/int" >int</a> seq_start:<a href="/type/int" >int</a> seq:<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updates" >updates</a>#74ae4240 updates:<a href="/type/Vector%20t" >Vector</a><<a href="/type/Update" >Update</a>> users:<a href="/type/Vector%20t" >Vector</a><<a href="/type/User" >User</a>> chats:<a href="/type/Vector%20t" >Vector</a><<a href="/type/Chat" >Chat</a>> date:<a href="/type/int" >int</a> seq:<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
<a href="/constructor/updateShortSentMessage" >updateShortSentMessage</a>#9015e101 flags:<a href="/type/%23" >#</a> out:flags.1?true id:<a href="/type/int" >int</a> pts:<a href="/type/int" >int</a> pts_count:<a href="/type/int" >int</a> date:<a href="/type/int" >int</a> media:flags.9?<a href="/type/MessageMedia" >MessageMedia</a> entities:flags.7?<a href="/type/Vector%20t" >Vector</a><<a href="/type/MessageEntity" >MessageEntity</a>> ttl_period:flags.25?<a href="/type/int" >int</a> = <a href="/type/Updates" >Updates</a>;
---functions---
<a href="/method/help.getAppChangelog" class="current_page_link" >help.getAppChangelog</a>#9010ef6f prev_app_version:<a href="/type/string" >string</a> = <a href="/type/Updates" >Updates</a>;</code></pre></p>
<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
<table class="table">
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<th>Name</th>
<th style="text-align: center;">Type</th>
<th>Description</th>
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<td><strong>prev_app_version</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>Previous app version</td>
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#result" id="result" name="result"><i class="anchor-icon"></i></a>Result</h3>
<p><a href="/type/Updates">Updates</a></p>
<h3><a class="anchor" href="#related-pages" id="related-pages" name="related-pages"><i class="anchor-icon"></i></a>Related pages</h3>
<h4><a class="anchor" href="#updates" id="updates" name="updates"><i class="anchor-icon"></i></a><a href="/constructor/updates">Updates</a></h4>
<p>Full constructor of updates</p>
<h4><a class="anchor" href="#updateservicenotification" id="updateservicenotification" name="updateservicenotification"><i class="anchor-icon"></i></a><a href="/constructor/updateServiceNotification">updateServiceNotification</a></h4>
<p>A service message for the user.</p>
<p>The app must show the message to the user upon receiving this update. In case the <strong>popup</strong> parameter was passed, the text message must be displayed in a popup alert immediately upon receipt. It is recommended to handle the text as you would an ordinary message in terms of highlighting links, etc. The message must also be stored locally as part of the message history with the user id <code>777000</code> (Telegram Notifications).</p></div>
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