block_categories, allowed_block_types are deprecated in Wordpress 5.8 causing errors when initialising Blocks in edit screens · Issue #139 · digitoimistodude/air-light · GitHub
allowed_block_types – Позволяет оставить только нужные блоки для Редактора Блоков (Гутенберга). Хук-фильтр WP
How to Disable Gutenberg Blocks
allowed_block_types filter for a Custom post type doesn't add the inserter if 'core/paragraph' is not included in the list · Issue #9199 · WordPress/gutenberg · GitHub
Mark Wilkinson on Twitter: "I have now been building #WordPress sites with the new(ish) block editor for quite a while. It was a big change but is now working well. Here are
When using `allowed_block_types` filter the inserter doesn't show reusable blocks which consists of multiple blocks. · Issue #15037 · WordPress/gutenberg · GitHub