I’ve created a new field group to test. Using the same field group and code for a Post, a Custom Taxonomy and the default Category taxonomy yields null/false for both the Custom Taxonomy and default Category.
I realise now that you need to pass the term object not term id.
Big news today folks! I'm very excited to announce that the Delicious Brains plugins including Advanced Custom Fields and WP Migrate are now part of the WP Engine family of products.🎉 Check out the full blog post for the details: https://t.co/tcMVq42g7dpic.twitter.com/uCF3ZpKXgT