Automatic clearance while routing DP is innacurate?

When routing two pairs of DP tightly close to each other they seem to violate minimum clearance after I run a DRC.

I attach a video and .zip minimal project here.

DPClearanceIssue.rar (33.4 KB)

So it should be one of the two below cases:

  1. when routing DP very close to each other the clearance its not accurate so its a bug.
  2. It might not be ‘mathematically’ possible to create the clearance I want with the track width/angle I use. In this case I believe the automatic clearance created should be larger than the minimum clearance violation (>0.2mm in my case), not smaller as it happens now.

KiCad Version:

Application: KiCad x64 on x64

Version: 7.0.9, release build

Libraries:
wxWidgets 3.2.3
FreeType 2.12.1
HarfBuzz 8.2.1
FontConfig 2.14.2
libcurl/8.4.0-DEV Schannel zlib/1.3

Platform: Windows 11 (build 22000), 64-bit edition, 64 bit, Little endian, wxMSW

Build Info:
Date: Nov 5 2023 19:26:40
wxWidgets: 3.2.3 (wchar_t,wx containers)
Boost: 1.83.0
OCC: 7.7.1
Curl: 8.4.0-DEV
ngspice: 41
Compiler: Visual C++ 1936 without C++ ABI

Build settings:
KICAD_SPICE=ON

I posted the issue here: Automatic clearance while routing DP is inaccurate (#16210) · Issues · KiCad / KiCad Source Code / kicad · GitLab

What version of KiCad are you using?

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