[IPP] Proposed Changes to IPP Everywhere 2.0

[IPP] Proposed Changes to IPP Everywhere 2.0

Michael Sweet msweet at msweet.org
Wed Oct 14 15:38:00 UTC 2026


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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