← Back to team overview

kicad-developers team mailing list archive

Re: Version 5.1 backward compatibility with 5.0 (polygon for outline)


On 12/9/2018 5:38 PM, Seth Hillbrand wrote:
> Am 2018-12-09 17:01, schrieb Eeli Kaikkonen:
>> Recently I realized that the new "graphic polygon for edge outline
>> feature", as great as it is, isn't compatible with 5.0. The 3D view
>> can't handle it and it's filled in gerber. So, if someone makes a pcb
>> file with nightly builds it's not necessarily compatible with 5.0.
>> Is this allowed on purpose or is it an oversight?
> Hi Eeli-
> Hmm... That's a good point.  My original thinking was that 5.0 allowed
> drawing the polygon on edge cuts but it broke the things that you
> mentioned, so fixing the outline seemed more useful than prohibiting the
> layer.
> But you are right, this creates an issue where the board will work with
> 5.1 and not with 5.0.  I guess we should back that change out and
> prohibit the layer until 6.0 unless there are other ideas.
> -S

We should back this change out until v6.  We have an unwritten policy
(although maybe I should write it down) about not changing file formats
during a stable release series.  Boards designed with 5.1.x should
produce the same output as boards designed with 5.0.x.



Follow ups