Limits a post to a single category by changing the checkboxes into radio buttons. Simple.
More Plugins
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Specify Missing Image Dimensions
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Disable auto-update Email Notifications
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Moving Contents
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WP Trip Summary
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ToneDen Player Shortcode
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GG Woo Feed for WooCommerce Shopping Feed on Google and Other Channels
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Yet Another Social Plugin
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No Version Tags
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Vaaky Highlighter — Syntax Highlighter, Code Blocks, Line Numbers for Gutenberg
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Flexible Product Fields (WooCommerce Product Addons) – WooCommerce Product Page Editor
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Yotpo: Product & Photo Reviews for WooCommerce
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Estatik Real Estate Plugin
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HelloAsso Payments for WooCommerce
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Post Section Voting
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WPCacheOn – WordPress Caching plugin
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pipDisqus – Lightweight Disqus Comments
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Gone Response
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VideoNab
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Popup Maker – Responsive popup, Exit Intent Pop up, Email Optins, Autoresponder & More
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Photoswipe for NextGEN Gallery