When you have Curse of binding enchanted on armor you cant take it off in Survival mode. However when equipped with Curse of Binding armor you can take it off by simply right-clicking with another piece of Armor/ Elytra from your hotbar. This ignores the curse entirely.
Allowing you to take off armor with curse of binding by switching it Indian Jones style
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We're tracking this issue in MC-259599, so this ticket is being resolved and linked as a duplicate.
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