Memory Clean UP failure
Now plugin warns and give solution if memory cleanup task is manipulated

Automatic PerfoBooster installation (Temporary)
Now plugin will automatically install if its compatable with the software. (This is for maintaining the support of older version for this plugin, PerfoBooster is optimized for newer software). You can set value of force-use-lumr in config to true if you want this plugin work with PerfoBooster.

Aggressive cleanup issue fix
Can't save world issue while aggresive cleanup has been fixed.

Explosion malfunction issue fix
Explosion that are not work for breaking block like wind charge has been fixed.

Annoying log fix
Random error logging and warning has been decreased.

Explosion yield chance
We also added chance to number of block(s) that should be collectable after explosion

Finally after 2 months of development, LetUrMemoryRest 4.0 gonna be published. It is a early publish so may have bugs. Please report bugs through support server.

changelogs:
New Redstone Management (Experimental)
- More efficient optimization for slowing redstone activities
- Fixed more than 79+ crash exploits from previous version

Explosion Management
- Optimizes explosions caused by entities and blocks
- Can limit the number of block broken by explosion
- Can slower the breaking of block

Config Updation
- After a long journey, we finally added automatic config updation.
- It may have alot of bugs, please report the bugs through support server

File size decrease
- Removed Unwanted dependencies

- Updated to 1.21.1

- Fixed Unload Inactive Chunk issue

- Fixed unusual CPU usage by removing entity limitations

- supports 1.8 - latest version spigot
- added /leturmemoryrest free
- changed redstone limit per chunk to per area [16 block radius]

1. removed alot features that aren't concentrated to increase memory optimisation
2. recoded config.yml
3. fixed randomily crashing issue

- Dynamic task adjustment based on server load for optimal performance.
- Implemented chunk unloading to free up server resources.
- Added detailed logging option for comprehensive monitoring.
- Modularized configuration management for better readability.
- Fixed logic for checking redstone components in chunks.
- Improved handling of player command preprocess events to prevent false positives.

- The feature ender-crystal-explosion-disabled=true changed to ender-crystal-explosion=false
- Fixed ender crystal feature not working issue
- TPS not counting issue fixed

- Plugin now supports 256mb ram or less ram servers
- Randomly disable issue fixed
- Bugs and issues fixes
Please use '/leturmemoryrest reset' after adding this new update

Unsupport api version issue fixed

- Stable version of 1.1.0-pre
- It is no more legacy plugin
- More async functions
- Randomly crashing issue fixed

- There are alot of features added which used to reduce memory and cpu usage
- Added redstone optimization
- End crystal explosive feature
- Better explained config. Please use '/leturmemoryrest reset' for new config

- Added new feature calles inactive-reduction which slows the server resource usage when no players online without dropping tps
- More async function in background
- Effective clearing entity
- Added /leturmemoryrest command

- Added more effective garbage collection
- Entity clearing option to reduce ram usage [BETA]
- Uses less cpu usage [BETA]

In this update. Nothing really changed but its more stable for 1.21