Telegram Desktop 0.9.28 (stable) is released, Install on Ubuntu 16.04 Xenial Xerus, Ubuntu 15.10 wily werewolf, Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS), Linux Mint  17.1, Linux Mint 17.2, Linux Mint 17.3 and other Ubuntu derivative systems
 
Telegram Desktop 0.9.28 recently released, is an open-source and cross platform Telegram client for Linux. “Telegram” is a messaging app with a focus on speed and security, it’s superfast, simple and free. You can use Telegram on all your devices at the same time — your messages sync seamlessly across any of your phones, tablets or computers.

Changes Telegram Desktop 0.9.28 (stable) :

• Edit your messages in channels and supergroups

• Share links to specific posts in channels via the post context menu

• Add admin signatures to messages in channels

• Send silent messages in channels that will not notify members, useful for non-urgent or late night posting

 

How to Install Telegram Desktop 0.9.28 (stable) on Ubuntu / Linux Mint :

To Install Install Telegram Desktop 0.9.28 (stable) on Ubuntu 16.04 Xenial Xerus, Ubuntu 15.10 wily werewolf, Ubuntu 15.04 vivid Vervet, ubuntu 14.10 Utopic Unicorn, Ubuntu 14.04 Trusty Tahr (LTS), Linux Mint  17.1, Linux Mint 17.2, Linux Mint 17.3 and other Ubuntu derivative systems, open a new Terminal window and bash (get it?) in the following commands:

For Ubuntu 32 bit :

Download file tarball

wget https://tdesktop.com/linux32

Extract file tarball

sudo tar -xJvf tsetup*.tar.xz

Move to /opt

sudo mv Telegram /opt/telegram

sudo ln -sf /opt/telegram /usr/bin/telegram

Run

telegram

For Ubuntu  64 bit :

Download file tarball

wget https://tdesktop.com/linux

Extract file tarball 

sudo tar -xJvf tsetup*.tar.xz

Move to /opt

sudo mv Telegram /opt/telegram

sudo ln -sf /opt/telegram /usr/bin/telegram

Run

telegram

How to Install on Fedora 22:

sudo dnf install dnf-plugins-core

sudo dnf copr enable rommon/telegram

sudo dnf install telegram-desktop

Enjoy! I hope this article adding you more clarity.