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Type: Bug
Resolution: Unresolved
Fix Version/s: 1.19.3 Release Candidate 1
Affects Version/s: 22w15a, 22w16b, 22w17a, 22w18a, 22w19a, 1.19 Pre-release 1, 1.19 Pre-release 3, 1.19 Pre-release 4, 1.19 Release Candidate 1, 1.19, 1.19.1 Pre-release 1, 1.19.1 Release Candidate 1, 1.19.1 Pre-release 2, 1.19.1 Pre-release 4, 1.19.1 Pre-release 5, 1.19.1 Release Candidate 2, 1.19.1 Release Candidate 3, 1.19.1, 1.19.2 Release Candidate 1, 1.19.2, 22w42a, 22w43a, 22w45a, 1.19.3 Pre-release 3, 1.19.3, 23w04a, 23w06a, 1.19.4 Pre-release 1, 1.19.4 Release Candidate 1, 1.19.4 Release Candidate 3, 1.19.4, 23w16a, 23w17a, 23w18a, 1.20 Pre-release 1, 1.20 Pre-release 2, 1.20 Pre-release 3, 1.20 Pre-release 4, 1.20 Pre-release 5, 1.20 Pre-release 6, 1.20 Pre-release 7, 1.20 Release Candidate 1, 1.20, 1.20.1 Release Candidate 1, 1.20.1, 23w31a, 23w32a, 23w33a, 23w35a, 1.20.2 Pre-release 2, 1.20.2 Release Candidate 1, 1.20.2, 23w40a, 23w41a, 23w42a, 23w43b, 23w44a, 23w45a, 23w46a, 1.20.3 Pre-Release 2, 1.20.3 Release Candidate 1, 1.20.4, 23w51b, 24w03b, 24w04a, 24w05b, 24w06a, 24w07a, 24w09a, 24w11a, 24w12a, 24w13a, 24w14a, 1.20.5 Pre-Release 1, 1.20.5 Pre-Release 3, 1.20.5 Release Candidate 2, 1.20.5, 1.20.6 Release Candidate 1, 1.20.6, 24w18a, 24w21b, 1.21 Pre-Release 2, 1.21 Pre-Release 4, 1.21 Release Candidate 1, 1.21, 24w33a, 1.21.1, 24w34a, 24w35a, 24w36a, 24w37a, 24w38a, 24w39a, 1.21.2 Pre-Release 3, 1.21.2, 24w44a, 1.21.3, 1.21.4
Labels:
- lag-spike
- mangrove-swamp
Environment:
OS: Windows 11 Pro 64-bit version 22H2 build 22621.1194
Java Version: 18.0.2 64-Bit
RAM: 128GB
CPU: Intel® Core™ i9-9900K
GPU: NVIDIA GeForce RTX 3080
GL version: 3.2.0 NVIDIA 528.49

Confirmation Status:
Confirmed
Category:

Performance
Mojang Priority:
Normal
Area:
Gameplay

Moving in mangrove swamps FPS/TPS drop behind normal forests.
Could be worse when it rains.

Performance has improved significantly in the 23w16a, but is still lower than the normal forest.
The following are the settings:
23w16a
Y=158
Mangrove swamps
60~170 fps
TPS 72 ms max

Normal forests
100~180 fps
TPS 47 ms max

Steps to reproduce: