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From the Altium Designer 19 documentation, "This release sees the introduction of the Simbeor® electromagnetic Signal Integrity engine from Simberian. Simbeor's model accuracy is validated through the use of advanced algorithms for 3D full wave analysis, benchmarking and experimental validation. The Simbeor engine supports all modern board structures and materials." You can read more about impedance calculations on the documentation page, but let me know if you have more questions: www.altium.com/documentation/altium-designer/controlled-impedance-routing-ad#!what-determines-the-routing-impedance

@@davidhaboud9557 I believe so far it is only used for initial geometry calculation and not in rule checking. I would like to see the rule check fail whenever i have copper features too close my controlled impedance lines no matter what layer the offending features are on

@@timun4493 You have to combine the new impedance profiles with clearance rules. You can set a clearance for any net or net class. Take a look around the documentation for clearance rules. You might need to make some net classes or impedance profiles, but you can do it. We showed how to do this at AltiumLive Frankfurt. I should be able to send you the recording when it is produced in a couple of weeks if you want. If you have more questions, go to the Altium.com/forums and I'm sure some other users will give you some tips to figure it out.

@@davidh6522 i already have 3x height above the plane clearance rules for nets where i really care about impedance, but it would still be very useful to have the rule checker consider adjacent layers to prevent the inadvertently broad side coupled configuration mentioned in the video, being able to reference arbitrary polygon pours in addition to plane layers would also be nice. My initial question was simply wether there were any major changes/improvements planed. Thank you for your replies so far.

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