[IPP] Proposed Changes to IPP Everywhere 2.0

[wamwagner at comcast.net]

Perhaps Mopria is actually requesting that these attributes be listed as RECOMMENDED?
Bill Wagner

________________________________
From: ipp <ipp-bounces at pwg.org> on behalf of Michael Sweet via ipp <ipp at pwg.org>
Sent: Wednesday, October 14, 2026 11:38 AM
To: ISTO-PWG Internet Printing Protocol workgroup discussion forum <ipp at pwg.org>
Cc: Michael Sweet <msweet at msweet.org>
Subject: Re: [IPP] Proposed Changes to IPP Everywhere 2.0

Anthony,

We wouldn't normally make an attribute CONDITIONALLY REQUIRED if the attribute is supported (i.e. "you have to support it if you support it")...

What is the reason for this change request?


> On Oct 14, 2026, at 11:30 AM, Anthony Suarez via ipp <ipp at pwg.org> wrote:
>
> Hi All,
>
> On behalf of Mopria, the following changes to "6.3 IPP Printer Description Attributes" section of the IPP Everywhere 2.0 are proposed:
>
> IPP Everywhere 2.0 Draft
> https://ftp.pwg.org/pub/pwg/ipp/wd/wd-ippeve20-20260430.pdf
>
> - Remove job-constraints-supported attribute from the REQUIRED attributes list in Table 5 and add it to the CONDITIONALLY REQUIRED list in Table 6 instead. It is the RECOMMENDED attribute defined in PWG 5100.13.
>
> - Remove job-resolvers-supported attribute from the REQUIRED attributes list in Table 5 and add it to the CONDITIONALLY REQUIRED list in Table 6 instead. It is the RECOMMENDED attribute defined in PWG 5100.13.
>
> - Add the following notes at the end of Table 6.
>         For job-constraints-supported:
>          "Note 6: CONDITIONALLY REQUIRED for printers that support job-resolvers-supported attribute."
>         For job-resolvers-supported:
>          "Note 7: CONDITIONALLY REQUIRED for printers that support job-constraints-supported attribute."
>
> Best regards,
> Anthony Suarez
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Michael Sweet

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