KiCAD 9 DRC do NOT report unconnected track

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I migrate a project from KiCAD 7, when do the DRC, I found that KiCAD 9 can NOT find unconnected issue.

I do a very simple test

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then, delete the connection

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then, start DRC. the DEC process refiile all of the zones. but report no unconnected items (0)

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Is there some settings required?

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just now, I try a another test.

a very simple design

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layout all the componets, do not connect them.

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DRC, then same issue
![6|679x499](upload://1jv2jaiv9wTGO2YJYRj4b0JI9qK.jpe

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Can anyone help on this? Or anyway to fallback the project to KiCAD 7?

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In the Design Rules Checker window try clicking the checkbox “Test for parity between PCB and schematic”.

Edit - And check the box at the bottom of that same window to show “Errors”. One could also check the box “All”.

Missing those check boxes has bitten me in the past.

1 Like
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Also you have 18 errors but you have not allowed them to display.

2 Likes