How to reproduce:

# Open the “Repro.zip“ project
# Open the “New Scene“
# Select the “Physics (2D)“ performance counter
# Enter the Play Mode
# Observe the “Sync Calls“ attribute in the Profiler Window

Expected results: 1 Sync Call is made every few frames and every other frame 0 Sync Calls are made
Actual results: 2 Sync Calls are made every few frames and every other frame 1 Sync Call is made

Reproducible in: 2022.3.15f1, 2023.2.4f1, 2023.3.0a18
Couldn’t test in: 2021.3.33f1 (no “Sync Calls“ attribute in Profiler)

Reproduced on: Windows 11 Pro
Not reproduced on: No other environment tested

Note: Sync Calls should be called every Fixed Update frame and not every frame