Do More with Messages
Messages receives incremental changes this year, with more text formatting options, more-flexible Tapback responses, message scheduling, satellite messages, and long-awaited support for RCS.
Add Text Effects
You can style any individual letter, word, or emoji in an iMessage, or the entire message itself. While composing an iMessage in the Messages app, tap the new text effects 
icon above the keyboard to reveal a panel (Figure 22, ahead) of effect options:
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