FPS drops when looking at other players and/or inventory

[x-kazumi]

Modpack

FTB Evolution

Modpack version

1.4.1

Launcher

FTB App

Has the pack been modified

No

Log Files

https://spark.lucko.me/qPLBx7eoYh without shader, 1 player + open inventory ( from 144 -> 40-60)

https://spark.lucko.me/ntSlP8WhwX with shader, 2 player, no inventory open (144 -> 40)

Describe the bug

Frames go from 144 down to 100 when 1 player is in sight and down to 40-60 when 2 players are, especially when opening inventory at the same time it usually goes down to 20-30 sometimes. shader on and off makes no difference as shown in the logs. the nautec update from 0.1.6 (FTB Evolution 1.3) to Nautec 0.1.8 (FTB Evolution 1.4+) did improve this issue ALOT but as you can see its still there and nautec devs looked at the profiles and said its not their mod anymore. So -> must be smth else. all friends on my server have the same problem.

Steps to reproduce

1. Join multiplayer
2. watch your fps drop the more players are in your screen
3. open inventory (not chests or other similar overlays, it must be the normal inventory/backpack/wireless terminal
4. see your fps drop even more

Expected behaviour

not drop fps THIS hard

Screenshots

No response

Additional information

No response

[Gaz492]

Is this still an issue for you on the latest version of the modpack (1.7.0)?