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When using Length matching tools, DP tracks disappear when clicking on specific spots.

Project

length_match.zip

Description

When clicking on specific spots with "Tune length of a differential pair" tool, the tracks disappear, and the tool shows 0 length, until the mouse is moved enough.

Here I clicked on the right track on the 45 degree part:

image

Video:

length-match-disappear

KiCad Version

Also reproduces on 6.99

(this is a custom 6.0 branch based on 77690690)

Application: KiCad Schematic Editor (64-bit)

Version: (6.0.7-1575-g3dc7b6aefd), release build

Libraries:
	wxWidgets 3.1.7
	libcurl/7.83.1-DEV Schannel zlib/1.2.12

Platform: Windows 10 (build 19044), 64-bit edition, 64 bit, Little endian, wxMSW

Build Info:
	Date: Jul 18 2022 22:14:27
	wxWidgets: 3.1.7 (wchar_t,wx containers)
	Boost: 1.79.0
	OCC: 7.6.0
	Curl: 7.83.1-DEV
	ngspice: 37
	Compiler: Visual C++ 1932 without C++ ABI

Build settings:
	KICAD_USE_OCC=ON
	KICAD_SPICE=ON