Description
ACF Pro 5.9 comes with a duplicate row feature on its own.
ACF Clone Repeater and Layout Fields in ACF Pro.
Supports all ACF Native fields.
Development
Please head over to the source code on Github.
Screenshots
Repeater Field with Clone feature enabled. 
Repeater Field with Clone feature enabled with Expanded.
Installation
Just follow the Automatic Plugin Installation procedere.
FAQ
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I found a bug. Where should I post it?
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Please use the issues section in the GitHub-Repository.
I will most likely not maintain the forum support forum on www.remarpro.com. Anyway, other users might have an answer for you, so it’s worth a shot.
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I’d like to suggest a feature. Where should I post it?
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Please post an issue in the GitHub-Repository
Contributors & Developers
“ACF Clone Repeater” is open source software. The following people have contributed to this plugin.
Contributors
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Interested in development?
Browse the code, check out the SVN repository, or subscribe to the development log by RSS.