This is a discussion topic for the Ore project, OperatorLevel. View the full project on Ore for downloads and more information.

OperatorLevel
A Paper plugin to allow players to use F3+F4 and similar client features without giving them OP permissions.
Requirements
Installation
See the wiki for platform specific instructions.
Defining levels
Levels can be defined using either permissions or LuckPerms’ meta system. By default permissions are used which offer the most compatibility, but it is recommended to switch over to the LuckPerms’ meta system which is more performant.
See the wiki on how to setup either system.
Discord
Got questions or need help with the plugin? Join the Discord server where you can get support or just hangout with the community.
A new version has been released for OperatorLevel, it is available for download here.
This major update fixes a handful of bugs and introduces Sponge support.
OperatorLevel now depends on PacketEvents) which allows for much greater control of the packets than before. While I generally try to avoid having to interact with packets directly, for a project that is entirely based on sending a singular packet to the client I think it’s not too bad. And with this, we’re able to implement the plugin on platforms that don’t have any native API for sending the permission level to the player (Such as Sponge).
With PacketEvents, were now also able to block any packets sent by the server which would otherwise interfered with OperatorLevel’s functionality. So no more loosing the permission level given by OperatorLevel when de-opping a player.
Changelog
The plugin now requires PacketEvents
- Added Sponge support
- Fixed server overriding the plugin set permission level
A new version has been released for OperatorLevel, it is available for download here.
Fixed permission level being reset when travelling between worlds.
A new version has been released for OperatorLevel, it is available for download here.
- Fixed permission level resetting on respawn
A new version has been released for OperatorLevel, it is available for download here.
Breaking changes 
Due to Mojang’s changes to the gamemode switcher in recent Minecraft versions, OperatorLevel now handles the gamemode switch.
There are 4 new permissions:
operatorlevel.gamemode.adventure
operatorlevel.gamemode.survival
operatorlevel.gamemode.creative
operatorlevel.gamemode.spectator
If you want to keep old behavior you’ll need to give operatorlevel.gamemode.* permission to those that have operator level 2 or above. Or you can restrict the gamemode switcher to only some of the gamemodes if desired.
General
- Fixed compatibility with newer versions of Minecraft
- Added per-gamemode permissions
- Messages can now be customized by modifying the language files in
locale directory
Paper
- Minimum supported Paper version is now
1.21.4
Sponge
Please note that Sponge is currently untested, since PacketEvents doesn’t work properly on that version yet!