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CUPS Roadmap

This page documents the plans for future OpenPrinting CUPS feature releases. The following high level changes are currently under consideration:

• Removal of Deprecated Features
• libcups Changes
• cupsd Changes

CUPS Feature Roadmap

Feature	v2.4	v3.0	vFUTURE
AirPrint/Mopria Compatibility	ADD
Kerberos Authentication	DEPRECATE	REMOVE
OAuth Authentication	ADD
PPD API	deprecated v1.4	REMOVE
Printer Drivers	deprecated v2.0	REMOVE
Raw Queues	deprecated v2.0	REMOVE
cups-config	DEPRECATE	REMOVE
pkg-config support	ADD
Local Server		ADD
Sharing Server		ADD
New Web Interface		ADD
OpenSSL support	consider	consider	consider
GNU TLS support	consider	consider	consider
X.509 for containers	consider	consider	consider

Removal of Deprecated Features/API

• cups-config script (replaced by pkg-config in 2.4.0)
• Printer drivers and raw queues (replaced by Printer Applications)
• PPD API functions
• Kerberos support

libcups Changes

• Investigate using OpenSSL in addition to/instead of GNU TLS
• Better support for X.509 certificates with snaps?

cupsd Changes

• Rewrite/update for use as the local (per-user) spooler
• Update web interface to be in-process for the sharing spooler
• All IPP job processing
• Maybe use PAPPL?