Auto-Respawn allows the player to respawn immediately after death without needing to press the respawn button.
Description
Auto-Respawn for 1.12.2 is a client-side mod that works on both Singleplayer and Multiplayer worlds
/autorespawn, /ar, or /respawn can be used to toggle the auto-respawn functionality.
Source code at https://github.com/RRunnerX/Auto-Respawn-for-1.12.2
Credits
The initial idea was put forth by u/boxtopy in a post on r/feedthebeast. (https://www.reddit.com/r/feedthebeast/comments/e3xtwf/auto_respawn_mod_for_1122/)
Misc
Feel free to use this mod however you like, whether it be in a modpack or otherwise.