<metaproperty="og:description"content="Disappearing photos and videos in all private chats, option to add a bio to your profile and more in Telegram 4.2 ">
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<p>Telegram 4.2 is here! We have completely redesigned our photo editing tools, and it takes you even fewer taps to make your photos look amazing. In addition, you can now set a self-destruct timer for any photos and videos you share in private chats.</p>
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<p>If you set a timer, the countdown starts the moment your recipient opens the photo or video you sent. After the time runs out, the photo/video will disappear forever, just like in Secret Chats.</p>
<p>If the recipient tries to make a screenshot of your disappearing media, you’ll get a notification immediately. </p>
<h4><aclass="anchor"name="who-are-you-again"href="#who-are-you-again"><iclass="anchor-icon"></i></a>Who are you again?</h4>
<p>Starting today, you can add a bio to your profile by typing a few words about yourself in Settings. Every time you stumble upon new users in large groups you might want to learn more about them. That's where bios can help.</p>
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<p>Bio in your profile</p>
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<h4><aclass="anchor"name="more-speed-and-security"href="#more-speed-and-security"><iclass="anchor-icon"></i></a>More Speed and Security</h4>
<p>On top of this, as of 4.2, Telegram apps will rely on a <ahref="https://en.wikipedia.org/wiki/Content_delivery_network">CDN</a> (distributed network) to cache <strong>publicly available photos and videos</strong> posted in <strong>massive channels</strong> (100,000+ members). This will result in significantly higher download speeds for tens of millions of Telegram users around the world. Check out <ahref="https://telegram.org/blog/encrypted-cdns">this post</a> to learn more about how we managed to do it in a slick and secure way.</p>
<h4><aclass="anchor"name="one-more-thing"href="#one-more-thing"><iclass="anchor-icon"></i></a>One More Thing</h4>
<p>Stickers are now easier to use as you can enlarge the scrolling area. More legroom for your emotions!</p>
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<h4class="dev_blog_card_title">Notification Sounds, Bot Revolution and More</h4>
<divclass="dev_blog_card_lead">Today's update adds creating your own notification tones, setting custom durations for muting chats or auto-deleting messages, as well…</div>
<h4class="dev_blog_card_title">Download Manager, New Attachment Menu, Live Streaming With Other Apps and More</h4>
<divclass="dev_blog_card_lead">Today's update brings tools to help you control your downloads, send documents with a tap, re-arrange media albums before sending, turn…</div>
<h4class="dev_blog_card_title">Video Stickers, Better Reactions and More</h4>
<divclass="dev_blog_card_lead">This update brings easy-to-make video stickers, better reactions with more compact animations and extra emoji, a button to review unseen…</div>
<h4class="dev_blog_card_title">Reactions, Spoilers, Translation and QR Codes</h4>
<divclass="dev_blog_card_lead">Telegram's 12th update of the year introduces reactions, message translation, themed QR codes, hidden text (spoilers), and more.</div>
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<divclass="dev_blog_card_date">Dec 30, 2021</div>
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