Ugdhar

https://maven.minecraftforge.net/net/minecraftforge/forge/26.3-66.0.5/forge-26.3-66.0.5-changelog.txt

Please do not hijack a thread with an issue not related to yours, create a new one, and provide more information. Information on submitting an issue can be found in the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/)

Please read the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) and post full logs as directed there.

This log is for neoforge, which is not supported here on the minecraft forge forums.

Please read the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) and post full logs as described.

Those are warnings, not errors, and won't stop your game from starting, there is something else wrong. Read the FAQ, and post full logs please.

I don't have a 1.16.5 workspace, but in the workspace I'm looking at the Mob class has a method called populateDefaultEquipmentSlots that you could try to override and add your pumpkin head there.

The problem with tutorials and documentation, is that the minecraft code changes constantly, so documentation, outside of the very basics, becomes outdated. Using your example of a list of forge's events, you would use your IDE to browse the minecraftforge classes, specifically net.minecraftforge.event where you will find event classes, as well as other packages further refining the events available, such as events for entities, enchanting, brewing, etc. A lot of things can be accomplished by "seeing how vanilla does it" as well. And of course, when new versions come out, there's a chances anything and everything will break, and have to be recoded with whatever new way things are being done.

Please post logs from your specific issue (as directed in the FAQ https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) instead of posting on someone elses thread, it will likely get you help faster, as well as identify your specific issue.

Please do not piggyback on other threads. Please read the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) and post logs as described there, linking to them here, and someone may be able to help.

Please post the complete log, it will show more information that could help determine the problem.

Please read the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq), and post logs as described. Posting your code (a github repository is preferred) is also useful for getting help debugging.

Please post logs as described in the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq/) and post logs as described there. I have split your reply to the other topic into a new post. It is best to not post in a year+ old topic for an issue, especially when that old topic is marked as solved.

Please start a new topic instead of piggybacking a years old topic that may or may not be related to your issue. Explain what is going wrong with your game, and then post logs as described in the FAQ (https://forums.minecraftforge.net/topic/125488-rules-and-frequently-asked-questions-faq).

These are the Minecraft Forge forums, Neoforge is not supported here. You would be best served seeking support on their website and/or discord.