This is a high level, non-exhaustive overview on how to migrate your mod from 1.20.4 to 1.20.5 using Neo.
This primer is licensed under the Creative Commons Attribution 4.0 International, so feel free to use it as a reference and leave a link so that other readers can consume the primer.
If there's any incorrect or missing information, please leave a comment below. Thanks!
There are a number of user-facing changes that are part of vanilla which are not discussed below that may be relevant to modders. You can find a list of them on Misode's version changelog.