I understand that since the video calls feature is still not ready, it does not warrant an update to the package, however since then there have been additional updates, that do warrant an update.

Changelog:

2.3.0

• Video Calls (alpha version).

2.3.1

• Fix Calls Settings for Video Calls

2.3.2

• Revert custom window shadow on Linux.

2.4.0

• Turn on "Remain Anonymous" in an admin's Permissions to let them post on behalf of the group and become invisible in the list of members.
• Comment on posts in channels that have a discussion group.
• Get notified about replies to your comments via the new Replies chat (if you are not a member of the discussion group).

2.4.1

• Move by PageUp and PageDown in channel comments.
• Several layout bugfixes.
• Several crashfixes.

2.4.2

• Allow block, report and delete all message from user from "user joined" service message context menu.
• Fix admin badge display in groups.
• Fix loading and opening of comments in channels.

Source tarball: https://github.com/telegramdesktop/tdesktop/releases/download/v2.4.2/tdesktop-2.4.2-full.tar.gz