What does علامة توقف قراءة look like on Messenger?

On Messenger it is the design shipped in 1.0, shown above at full size. Older revisions are listed beneath it.

When did Messenger add علامة توقف قراءة?

Messenger first drew علامة توقف قراءة in 1.0, released 1 يونيو 2016.

Meta Platforms, Inc. has shipped 1 version of علامة توقف قراءة. Each is dated, so you can see when the design changed.

Messenger

Meta Platforms, Inc. has drawn علامة توقف قراءة once. Every revision Messenger has shipped is below, newest first.

What does علامة توقف قراءة look like on Messenger?: On Messenger it is the design shipped in 1.0, shown above at full size. Older revisions are listed beneath it.
When did Messenger add علامة توقف قراءة?: Messenger first drew علامة توقف قراءة in 1.0, released 1 يونيو 2016.
How many times has Messenger redrawn علامة توقف قراءة?: Meta Platforms, Inc. has shipped 1 version of علامة توقف قراءة. Each is dated, so you can see when the design changed.