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Support › General › ✅My custom metabox stops working on WP 4.9.8 › Reply To: My custom metabox stops working on WP 4.9.8
Scratch that! I updated wordpress and plugins at the same time. It looks to be a problem in metabox 4.15.0 and up. I was testing on 4.15.2 and it was still not working there. Rolling back to 4.14.11 fixes the problem.