The Warlock’s Eldritch Invocations got a lot of updates in the 2024 rules. Warlocks now get an Invocation at level 1, and Pact Boons have become Invocations. Invocations which previously allowed you to cast a spell once per day have not been reprinted, but no one is sad because they were almost universally terrible.
New Invocations Guide for the 2024 Warlock
October 30, 2024