[thirdparty/cups.git] / doc / help / whatsnew.html

<HTML>
<!-- SECTION: Getting Started -->
<HEAD>
	<TITLE>What's New in CUPS 1.2</TITLE>
</HEAD>
<BODY>

<P>CUPS 1.2 adds over 90 changes and new features to CUPS 1.1.x.
This page provides a high-level outline of these changes. If you
have never used CUPS before, read the <A
HREF="overview.html">"Overview of CUPS"</A> document instead.</P>

<H2 CLASS="title"><A NAME="CHANGES">Changes in CUPS 1.2</A></H2>

<DL CLASS="category">

	<DT>Networking</DT>
	<DD><OL START="1">

		<LI><EM>IPv6;</EM> CUPS now supports IPv6
		connectivity when the host operating system
		provides it</LI>

		<LI><EM>Domain Sockets;</EM> CUPS now supports
		the much faster UNIX domain sockets for local
		printing</LI>

		<LI><EM>Auto-SSL;</EM> CUPS now automatically
		detects when a client is connecting with SSL
		encryption, so it can support both unencrypted,
		SSL-encrypted, and TLS-encrypted connections over
		a single port</LI>

	</OL></DD>


	<DT>Browsing</DT>
	<DD><OL START="4">

		<LI><EM>LDAP Support;</EM> CUPS now supports
		printer sharing via the Lightweight Directory
		Access Protocol, version 3</LI>

		<LI><EM>Printer Lease Times;</EM> The server's
		BrowseTimeout value is now included</LI>

		<LI><EM>Network Default Options;</EM> The server
		now advertises a printer's default options such
		as job-sheets, media, and so forth</LI>

		<LI><EM>Network Default Printer;</EM> CUPS now
		advertises server-default printers so that
		clients can choose the correct default network
		printer</LI>

		<LI><EM>"Delete Printer" Message;</EM> CUPS now
		sends a final "delete printer" message to all
		clients when a printer is deleted, allowing for
		extremely long BrowseTimeout values without
		side-effects</LI>

		<LI><EM>BrowseLocalOptions and
		BrowseRemoteOptions Support;</EM> You can
		configure CUPS to use specific IPP options for
		local and remote printers, for example to
		compress print jobs that are sent over a slow WAN
		link</LI>

		<LI><EM>BrowseLocalProtocols and
		BrowseRemoteProtocols Support;</EM> You can
		configure CUPS to use different protocols for
		advertising local shared printers and discovering
		remote shared printers</LI>

	</OL></DD>


	<DT>Web Interface</DT>
	<DD><OL START="11">

		<LI><EM>Improved Look and Feel;</EM> The web
		interface has improved readability and a more
		consistent design</LI>

		<LI><EM>New Searchable On-Line Help;</EM> The
		on-line help has been reorganized into
		categorized articles and references and can be
		searched</LI>

		<LI><EM>Add This Printer;</EM> The administration
		page offers a new <VAR>Add This Printer</VAR>
		button for automatically-discovered printers,
		making printer configuration even easier than
		before</LI>

		<LI><EM>Export Printers to Samba;</EM> The
		administration page now offers an <VAR>Export
		Printers to Samba</VAR> button and function which
		allows administrators to export printer drivers
		to Windows clients via Samba</LI>

		<LI><EM>Change Settings;</EM> The administration
		page offers a new simple server settings form for
		controlling common configuration settings such as
		printer sharing and remote administration</LI>

		<LI><EM>Edit Configuration File;</EM> The
		administration page now provides a form for
		editing the <VAR>cupsd.conf</VAR> file from your
		web browser</LI>

		<LI><EM>View Log Files;</EM> The administration
		page now provides access to the
		<VAR>access_log</VAR>, <VAR>error_log</VAR>, and
		<VAR>page_log</VAR> log files</LI>

		<LI><EM>Searchable Classes, Jobs, and
		Printers;</EM> the class, job, and printer pages
		can now be searched and shown in ascending or
		descending order, with the results displayed in
		groups of 10</LI>

		<LI><EM>Links for Class Members;</EM> When
		viewing a printer class, we now provide
		hyperlinks to each of the class members -
		previously only the names were shown</LI>

		<LI><EM>Print Self-Test Page;</EM> When the
		printer driver supports the CUPS command file
		format, you can now print the printer's self-test
		page</LI>

		<LI><EM>Clean Print Heads;</EM> When the printer
		driver supports the CUPS command file format, you
		can now clean the printer's heads</LI>

		<LI><EM>Set Default Options;</EM> You can now set
		the default options for a printer, including the
		new operation and error policies (the previous
		incarnation of this was confusingly called
		"Configure Printer")</LI>

		<LI><EM>Set Default Printer;</EM> You can now
		make a printer the default printer on the
		network</LI>

		<LI><EM>Set Allowed Users;</EM> You can now set
		the list of users and/or groups that are allowed
		or not allowed to access a printer or class</LI>

		<LI><EM>Cancel All Jobs;</EM> You can now cancel
		all jobs on a printer or class</LI>

		<LI><EM>Move Job;</EM> You can now move an active
		job to a different printer or class</LI>

		<LI><EM>Move All Jobs;</EM> You can now move all
		active jobs to a different printer or class</LI>

		<LI><EM>Per-Printer Sharing;</EM> You can now
		share (Publish) or hide (Unpublish) printers
		individually</LI>

		<LI><EM>Show All Jobs;</EM> You can now view all
		jobs in addition to just the active or completed
		jobs</LI>

	</OL></DD>


	<DT>IPP Support</DT>
	<DD><OL START="30"></EM></LI>

		<LI><EM>IPP Notifications;</EM> CUPS now supports
		the complete IPP notification specification to
		provide asynchronous event notification to
		clients and users</LI>

		<LI><EM>ippget Notification Scheme;</EM> CUPS now
		supports the required <CODE>ippget</CODE> pull
		method for event notification, allowing
		applications to receive events asychronously</LI>

		<LI><EM>mailto Notification Scheme;</EM> CUPS now
		supports <CODE>mailto</CODE> recipients as
		proposed by the Printer Working Group, allowing
		users to receive event notifications via
		email</LI>

		<LI><EM>CUPS Extensions to IPP
		Notifications;</EM> CUPS adds several server
		events (start, stop, restart, and audit) that can
		be monitored via the IPP notification
		operations</LI>

		<LI><EM>CUPS-Get-Printers Improvements;</EM> The
		CUPS-Get-Printers operation now returns all
		queues by default and filters the results based
		on the <CODE>requesting-user-name</CODE>
		attribute</LI>

		<LI><EM>Proxy Authentication;</EM> CUPS provides
		the new CUPS-Authenticate-Job operation to
		support proxy authentication of print jobs</LI>

		<LI><EM>Unique Job IDs;</EM> CUPS maintains a new
		<CODE>job-uuid</CODE> attribute which provides a
		unique identifier that can be used to track a job
		on your network or anywhere in the world</LI>

		<LI><EM>port-monitor;</EM> CUPS now supports the
		per-printer <CODE>port-monitor</CODE> and
		<CODE>port-monitor-supported</CODE> attributes
		for device-specific data/transport encoding</LI>

		<LI><EM>printer-op-policy;</EM> CUPS supports new
		<CODE>printer-op-policy</CODE> and
		<CODE>printer-op-policy-supported</CODE>
		attributes which provide per-printer fine-grained
		access control policies</LI>

		<LI><EM>printer-error-policy;</EM> CUPS supports
		new <CODE>printer-error-policy</CODE> and
		<CODE>printer-error-policy-supported</CODE>
		attributes which provide per-printer control over
		job error handling</LI>

		<LI><EM>printer-is-shared;</EM> CUPS supports a
		new <CODE>printer-is-shared</CODE> attribute
		which provides per-printer sharing</LI>

		<LI><EM>printer-state-change-time;</EM> CUPS now
		tracks the last time and date of a change to the
		printer configuration, enabled/disabled state, or
		accepting/rejecting state</LI>

		<LI><EM>printer-uri-supported;</EM> CUPS now
		reports the IP address or hostname used by the
		client in the <CODE>printer-uri-supported</CODE>
		attribute - this prevents hostname resolution
		issues on complex networks</LI>

		<LI><EM>requested-attributes;</EM> CUPS now fully
		supports limiting of attributes by name or group
		- previously CUPS would only limit common
		attributes and did not support attribute group
		names</LI>

		<LI><EM>Default Job Template Attributes;</EM>
		CUPS now supports arbitrary default job template
		attributes and applies them to print jobs as
		needed</LI>

		<LI><EM>which-jobs;</EM> The Get-Jobs operation
		now supports a <CODE>which-jobs</CODE> value of
		"all" to return all jobs regardless of state</LI>

		<LI><EM>document-format-supported;</EM> The
		<CODE>document-format-supported</CODE> attribute
		now reflects the formats that are actually
		supported by the printer</LI>

		<LI><EM>printer-type;</EM> The
		<CODE>printer-type</CODE> attribute now provides
		bits for "not shared", "authenticated", and
		"supports commands"</LI>

	</OL></DD>


	<DT>Scheduler</DT>
	<DD><OL START="48">

		<LI><EM>Remote Printer Caching;</EM> The scheduler
		now maintains a remote printer cache so that
		remote printers are not lost when the scheduler
		or system is restarted</LI>

		<LI><EM>Job Caching;</EM> The scheduler now
		maintains a job cache so that completed jobs do
		not need to be loaded into memory all of the time
		- jobs are loaded and unloaded automatically for
		optimum performance and memory usage</LI>

		<LI><EM>Other Performance Improvements;</EM>
		Thanks to new CUPS API interfaces, the schedule
		now uses less memory, less CPU, and scales to
		even larger installations</LI>

		<LI><EM>Improved Logging;</EM> CUPS now logs the
		IPP operation and status in in the
		<VAR>access_log</VAR> file</LI>

		<LI><EM>Policies;</EM> CUPS now provides
		per-printer and server access control policies
		based on IPP operations in addition to the
		traditional location-based access control
		available in previous releases</LI>

		<LI><EM>DefaultAuthType;</EM> In conjunction with
		the new policy support, CUPS now supports a
		default authentication type that is used for IPP
		operations requiring a username</LI>

		<LI><EM>DefaultEncryption;</EM> When
		authenticating a request, CUPS now uses the
		<CODE>DefaultEncryption</CODE> setting in
		addition to any location or policy encryption
		setting in effect</LI>

		<LI><EM>Per-Printer
		document-format-supported;</EM> CUPS now
		maintains per-printer
		<CODE>document-format-supported</CODE> attributes
		that reflect the formats that can be printed by a
		particular printer</LI>

		<LI><EM>Server-side Default Options;</EM> CUPS
		now supports server-side default options for each
		printer or class that are applied to new
		jobs</LI>

		<LI><EM>POSIX ACL Support;</EM> CUPS now uses
		POSIX ACLs, when available, to allows multiple
		system groups to be used for local certificate
		authentication</LI>

		<LI><EM>RunAsUser Removed;</EM> The insecure
		RunAsUser mode has been removed in favor of OS
		mechanisms such as SELinux</LI>

		<LI><EM>Launchd Support;</EM> The schedule now
		supports running via the MacOS X launchd program,
		delaying cupsd startup until needed</LI>

		<LI><EM>Dynamic Device Lookup;</EM> The scheduler
		now queries the backends for devices as
		needed - no more restarting to get new devices!</LI>

		<LI><EM>Dynamic PPD/Printer Driver Lookup;</EM>
		The scheduler now scans for PPD files and/or
		printer drivers as needed - no more restarting
		after installing drivers, and PPD files can be
		generated dynamically!</LI>

		<LI><EM>Port Monitor Support;</EM> CUPS now
		supports "port monitor" filters between the
		printer driver filters and backend to do printer-
		and device-specific encoding and transport
		functions.</LI>

		<LI><EM>Multi-File Job Improvements;</EM> CUPS
		now sends multi-file jobs in a single connection
		to the printer or remote server, preserving the
		order of jobs</LI>

		<LI><EM>Environment Variable Support;</EM> The
		scheduler now supports setting environment
		variables for filters and CGI programs via the
		Apache <CODE>PassEnv</CODE> and
		<CODE>SetEnv</CODE> directives</LI>

		<LI><EM>Improved CGI Support;</EM> The scheduler
		now supports more of the CGI/1.1
		specification</LI>

		<LI><EM>Log Files;</EM> Log files are now
		accessible via HTTP requests using the
		<VAR>/conf/log/filename</VAR> resource</LI>

		<LI><EM>Power Management;</EM> The scheduler now
		responds to power management events from the
		operating system (currently MacOS X only)</LI>

	</OL></DD>


	<DT>LPD Client Support</DT>
	<DD><OL START="68">

		<LI><EM>Performance Improvements;</EM> CUPS no
		longer loads every available printer before
		accepting a print job</LI>

		<LI><EM>Banner Support;</EM> Banner pages can now
		be requested by an LPD client, with server-side
		overrides as desired</LI>

		<LI><EM>Multi-File Support;</EM> CUPS now creates
		a single IPP job for multi-file LPD jobs</LI>

	</OL></DD>


	<DT>Localization and Internationalization</DT>
	<DD><OL START="71">

		<LI><EM>Command-Line Programs;</EM> All
		command-line programs are now fully
		localized</LI>

		<LI><EM>Character Set Support;</EM> CUPS now
		supports a wider range of character sets
		including Big5 and Shift-JIS</LI>

		<LI><EM>Globalized PPD Support;</EM> PPD files
		can now contain multiple language
		localizations</LI>

	</OL></DD>


	<DT>Printer Drivers</DT>
	<DD><OL START="74">

		<LI><EM>New Drivers;</EM> CUPS 1.2 adds Zebra
		CPCL and EPL label printer drivers</LI>

		<LI><EM>Driver Interfaces;</EM> CUPS now supports
		driver interfaces which allow a driver to
		advertise the printers it supports and
		automatically generate the PPD file as
		needed</LI>

		<LI><EM>High-Definition Range Color;</EM> CUPS
		1.2 adds 16-bit per channel color support</LI>

		<LI><EM>Raster Compression;</EM> The CUPS raster
		format has been updated to use data
		compression for faster printing</LI>

		<LI><EM>Extended Printer Attributes;</EM> The
		CUPS raster format has been extended to support
		additional per-page printer-specific
		attributes</LI>

		<LI><EM>Back-Channel Data Support;</EM> Printer
		drivers can now read data back from the printer
		device</LI>

		<LI><EM>Custom PPD Options;</EM> PPD files can
		now contain options that accept custom
		values</LI>

	</OL></DD>


	<DT>CUPS API</DT>
	<DD><OL START="81">

		<LI><EM>Thread Safety;</EM> All of the CUPS API
		is now thread-safe on systems that support POSIX
		threads</LI>

		<LI><EM>Performance Improvements;</EM> Many of
		the existing APIs have been optimized for
		speed</LI>

		<LI><EM>Array API;</EM> The new array API
		provides a generic array container and is used to
		implement many of the new CUPS 1.2 features and
		performance improvements</LI>

		<LI><EM>Directory API;</EM> The new directory API
		allows applications to portably list the contents
		of a directory</LI>

		<LI><EM>File API;</EM> The new file API supports
		optionally-compressed file IO and simple socket
		communications without the limitations of
		stdio</LI>

		<LI><EM>HTTP API;</EM> The HTTP API now provides
		many new URI and address handling functions,
		accessor functions to key <CODE>http_t</CODE>
		information, write-buffering functions, and large
		file APIs</LI>

		<LI><EM>IPP API;</EM> The IPP API now provides
		functions to encode arbitrary options, add
		<CODE>octetString</CODE> attributes, create
		common IPP requests, convert IPP status and
		operation code values to/from strings, and read
		and write IPP messages via callbacks.</LI>

		<LI><EM>PPD API;</EM> The PPD API has been
		updated with new functions to support reading
		from CUPS files, localization of globalized PPD
		files, emission of arbitrary ranges of options,
		custom option support, enhanced JCL support, and
		access to all options in the PPD file</LI>

		<LI><EM>Error Handling;</EM> The CUPS API now
		provides a convenience function to get the full
		error message of the last request</LI>

		<LI><EM>Back-Channel API;</EM> The new
		back-channel API provides backends and filters
		with access to information sent back from a
		printer</LI>

	</OL></DD>


	<DT>CUPS Imaging API</DT>
	<DD><OL START="91">

		<LI><EM>Image API;</EM> The new image API
		provides access to image files of arbitrary size
		and is based on the CUPS 1.1.x private image
		filter APIs</LI>

		<LI><EM>Raster API;</EM> The raster API provides
		new functions to read and write the version 2
		raster page headers, and a new function to
		generate a page header from marked PPD
		options</LI>

	</OL></DD>

</DL>

</BODY>
</HTML>
Commit	Line	Data
ef416fc2	1	<HTML>
	2	<!-- SECTION: Getting Started -->
	3	<HEAD>
	4	<TITLE>What's New in CUPS 1.2</TITLE>
	5	</HEAD>
	6	<BODY>
	7
757d2cad	8	<P>CUPS 1.2 adds over 90 changes and new features to CUPS 1.1.x.
757d2cad	9	This page provides a high-level outline of these changes. If you
ef416fc2	10	have never used CUPS before, read the <A
757d2cad	11	HREF="overview.html">"Overview of CUPS"</A> document instead.</P>
ef416fc2	12
757d2cad	13	<H2 CLASS="title"><A NAME="CHANGES">Changes in CUPS 1.2</A></H2>
ef416fc2	14
757d2cad	15	<DL CLASS="category">
ef416fc2	16
757d2cad	17	<DT>Networking</DT>
757d2cad	18	<DD><OL START="1">
ef416fc2	19
757d2cad	20	<LI><EM>IPv6;</EM> CUPS now supports IPv6
	21	connectivity when the host operating system
	22	provides it</LI>
ef416fc2	23
757d2cad	24	<LI><EM>Domain Sockets;</EM> CUPS now supports
	25	the much faster UNIX domain sockets for local
	26	printing</LI>
ef416fc2	27
757d2cad	28	<LI><EM>Auto-SSL;</EM> CUPS now automatically
	29	detects when a client is connecting with SSL
	30	encryption, so it can support both unencrypted,
	31	SSL-encrypted, and TLS-encrypted connections over
	32	a single port</LI>
	33
	34	</OL></DD>
ef416fc2	35
ef416fc2	36
757d2cad	37	<DT>Browsing</DT>
	38	<DD><OL START="4">
	39
	40	<LI><EM>LDAP Support;</EM> CUPS now supports
	41	printer sharing via the Lightweight Directory
	42	Access Protocol, version 3</LI>
	43
	44	<LI><EM>Printer Lease Times;</EM> The server's
	45	BrowseTimeout value is now included</LI>
	46
	47	<LI><EM>Network Default Options;</EM> The server
	48	now advertises a printer's default options such
	49	as job-sheets, media, and so forth</LI>
	50
	51	<LI><EM>Network Default Printer;</EM> CUPS now
	52	advertises server-default printers so that
	53	clients can choose the correct default network
	54	printer</LI>
	55
	56	<LI><EM>"Delete Printer" Message;</EM> CUPS now
	57	sends a final "delete printer" message to all
	58	clients when a printer is deleted, allowing for
	59	extremely long BrowseTimeout values without
	60	side-effects</LI>
ef416fc2	61
757d2cad	62	<LI><EM>BrowseLocalOptions and
	63	BrowseRemoteOptions Support;</EM> You can
	64	configure CUPS to use specific IPP options for
	65	local and remote printers, for example to
	66	compress print jobs that are sent over a slow WAN
	67	link</LI>
ef416fc2	68
757d2cad	69	<LI><EM>BrowseLocalProtocols and
	70	BrowseRemoteProtocols Support;</EM> You can
	71	configure CUPS to use different protocols for
	72	advertising local shared printers and discovering
	73	remote shared printers</LI>
ef416fc2	74
757d2cad	75	</OL></DD>
ef416fc2	76
ef416fc2	77
757d2cad	78	<DT>Web Interface</DT>
757d2cad	79	<DD><OL START="11">
ef416fc2	80
757d2cad	81	<LI><EM>Improved Look and Feel;</EM> The web
	82	interface has improved readability and a more
	83	consistent design</LI>
ef416fc2	84
757d2cad	85	<LI><EM>New Searchable On-Line Help;</EM> The
	86	on-line help has been reorganized into
	87	categorized articles and references and can be
	88	searched</LI>
ef416fc2	89
757d2cad	90	<LI><EM>Add This Printer;</EM> The administration
	91	page offers a new <VAR>Add This Printer</VAR>
	92	button for automatically-discovered printers,
	93	making printer configuration even easier than
	94	before</LI>
ef416fc2	95
757d2cad	96	<LI><EM>Export Printers to Samba;</EM> The
	97	administration page now offers an <VAR>Export
	98	Printers to Samba</VAR> button and function which
	99	allows administrators to export printer drivers
	100	to Windows clients via Samba</LI>
ef416fc2	101
757d2cad	102	<LI><EM>Change Settings;</EM> The administration
	103	page offers a new simple server settings form for
	104	controlling common configuration settings such as
	105	printer sharing and remote administration</LI>
	106
	107	<LI><EM>Edit Configuration File;</EM> The
	108	administration page now provides a form for
	109	editing the <VAR>cupsd.conf</VAR> file from your
	110	web browser</LI>
	111
	112	<LI><EM>View Log Files;</EM> The administration
	113	page now provides access to the
	114	<VAR>access_log</VAR>, <VAR>error_log</VAR>, and
	115	<VAR>page_log</VAR> log files</LI>
	116
	117	<LI><EM>Searchable Classes, Jobs, and
	118	Printers;</EM> the class, job, and printer pages
	119	can now be searched and shown in ascending or
	120	descending order, with the results displayed in
	121	groups of 10</LI>
	122
	123	<LI><EM>Links for Class Members;</EM> When
	124	viewing a printer class, we now provide
	125	hyperlinks to each of the class members -
	126	previously only the names were shown</LI>
	127
	128	<LI><EM>Print Self-Test Page;</EM> When the
	129	printer driver supports the CUPS command file
	130	format, you can now print the printer's self-test
	131	page</LI>
	132
	133	<LI><EM>Clean Print Heads;</EM> When the printer
	134	driver supports the CUPS command file format, you
	135	can now clean the printer's heads</LI>
	136
	137	<LI><EM>Set Default Options;</EM> You can now set
	138	the default options for a printer, including the
	139	new operation and error policies (the previous
	140	incarnation of this was confusingly called
	141	"Configure Printer")</LI>
	142
	143	<LI><EM>Set Default Printer;</EM> You can now
	144	make a printer the default printer on the
	145	network</LI>
	146
	147	<LI><EM>Set Allowed Users;</EM> You can now set
	148	the list of users and/or groups that are allowed
	149	or not allowed to access a printer or class</LI>
	150
	151	<LI><EM>Cancel All Jobs;</EM> You can now cancel
	152	all jobs on a printer or class</LI>
	153
	154	<LI><EM>Move Job;</EM> You can now move an active
	155	job to a different printer or class</LI>
	156
	157	<LI><EM>Move All Jobs;</EM> You can now move all
	158	active jobs to a different printer or class</LI>
	159
	160	<LI><EM>Per-Printer Sharing;</EM> You can now
	161	share (Publish) or hide (Unpublish) printers
	162	individually</LI>
	163
	164	<LI><EM>Show All Jobs;</EM> You can now view all
	165	jobs in addition to just the active or completed
166	jobs</LI>
167
168	</OL></DD>
169
170
171	<DT>IPP Support</DT>
172	<DD><OL START="30"></EM></LI>
173
174	<LI><EM>IPP Notifications;</EM> CUPS now supports
175	the complete IPP notification specification to
176	provide asynchronous event notification to
177	clients and users</LI>
178
179	<LI><EM>ippget Notification Scheme;</EM> CUPS now
180	supports the required <CODE>ippget</CODE> pull
181	method for event notification, allowing
182	applications to receive events asychronously</LI>
183
184	<LI><EM>mailto Notification Scheme;</EM> CUPS now
185	supports <CODE>mailto</CODE> recipients as
186	proposed by the Printer Working Group, allowing
187	users to receive event notifications via
188	email</LI>
189
190	<LI><EM>CUPS Extensions to IPP
191	Notifications;</EM> CUPS adds several server
192	events (start, stop, restart, and audit) that can
193	be monitored via the IPP notification
194	operations</LI>
195
196	<LI><EM>CUPS-Get-Printers Improvements;</EM> The
197	CUPS-Get-Printers operation now returns all
198	queues by default and filters the results based
199	on the <CODE>requesting-user-name</CODE>
200	attribute</LI>
201
202	<LI><EM>Proxy Authentication;</EM> CUPS provides
203	the new CUPS-Authenticate-Job operation to
204	support proxy authentication of print jobs</LI>
205
206	<LI><EM>Unique Job IDs;</EM> CUPS maintains a new
207	<CODE>job-uuid</CODE> attribute which provides a
208	unique identifier that can be used to track a job
209	on your network or anywhere in the world</LI>
210
211	<LI><EM>port-monitor;</EM> CUPS now supports the
212	per-printer <CODE>port-monitor</CODE> and
213	<CODE>port-monitor-supported</CODE> attributes
214	for device-specific data/transport encoding</LI>
215
216	<LI><EM>printer-op-policy;</EM> CUPS supports new
217	<CODE>printer-op-policy</CODE> and
218	<CODE>printer-op-policy-supported</CODE>
219	attributes which provide per-printer fine-grained
220	access control policies</LI>
221
222	<LI><EM>printer-error-policy;</EM> CUPS supports
223	new <CODE>printer-error-policy</CODE> and
224	<CODE>printer-error-policy-supported</CODE>
225	attributes which provide per-printer control over
226	job error handling</LI>
227
228	<LI><EM>printer-is-shared;</EM> CUPS supports a
229	new <CODE>printer-is-shared</CODE> attribute
230	which provides per-printer sharing</LI>
231
232	<LI><EM>printer-state-change-time;</EM> CUPS now
233	tracks the last time and date of a change to the
234	printer configuration, enabled/disabled state, or
235	accepting/rejecting state</LI>
236
237	<LI><EM>printer-uri-supported;</EM> CUPS now
238	reports the IP address or hostname used by the
239	client in the <CODE>printer-uri-supported</CODE>
240	attribute - this prevents hostname resolution
241	issues on complex networks</LI>
242
243	<LI><EM>requested-attributes;</EM> CUPS now fully
244	supports limiting of attributes by name or group
245	- previously CUPS would only limit common
246	attributes and did not support attribute group
247	names</LI>
248
249	<LI><EM>Default Job Template Attributes;</EM>
250	CUPS now supports arbitrary default job template
251	attributes and applies them to print jobs as
252	needed</LI>
253
254	<LI><EM>which-jobs;</EM> The Get-Jobs operation
255	now supports a <CODE>which-jobs</CODE> value of
256	"all" to return all jobs regardless of state</LI>
257
258	<LI><EM>document-format-supported;</EM> The
259	<CODE>document-format-supported</CODE> attribute
260	now reflects the formats that are actually
261	supported by the printer</LI>
262
263	<LI><EM>printer-type;</EM> The
264	<CODE>printer-type</CODE> attribute now provides
265	bits for "not shared", "authenticated", and
266	"supports commands"</LI>
267
268	</OL></DD>
269
270
271	<DT>Scheduler</DT>
272	<DD><OL START="48">
273
274	<LI><EM>Remote Printer Caching;</EM> The scheduler
275	now maintains a remote printer cache so that
276	remote printers are not lost when the scheduler
277	or system is restarted</LI>
278
279	<LI><EM>Job Caching;</EM> The scheduler now
280	maintains a job cache so that completed jobs do
281	not need to be loaded into memory all of the time
282	- jobs are loaded and unloaded automatically for
283	optimum performance and memory usage</LI>
284
285	<LI><EM>Other Performance Improvements;</EM>
286	Thanks to new CUPS API interfaces, the schedule
287	now uses less memory, less CPU, and scales to
288	even larger installations</LI>
289
290	<LI><EM>Improved Logging;</EM> CUPS now logs the
291	IPP operation and status in in the
292	<VAR>access_log</VAR> file</LI>
293
294	<LI><EM>Policies;</EM> CUPS now provides
295	per-printer and server access control policies
296	based on IPP operations in addition to the
297	traditional location-based access control
298	available in previous releases</LI>
299
300	<LI><EM>DefaultAuthType;</EM> In conjunction with
301	the new policy support, CUPS now supports a
302	default authentication type that is used for IPP
303	operations requiring a username</LI>
304
305	<LI><EM>DefaultEncryption;</EM> When
306	authenticating a request, CUPS now uses the
307	<CODE>DefaultEncryption</CODE> setting in
308	addition to any location or policy encryption
309	setting in effect</LI>
310
311	<LI><EM>Per-Printer
312	document-format-supported;</EM> CUPS now
313	maintains per-printer
314	<CODE>document-format-supported</CODE> attributes
315	that reflect the formats that can be printed by a
316	particular printer</LI>
317
318	<LI><EM>Server-side Default Options;</EM> CUPS
319	now supports server-side default options for each
320	printer or class that are applied to new
321	jobs</LI>
322
323	<LI><EM>POSIX ACL Support;</EM> CUPS now uses
324	POSIX ACLs, when available, to allows multiple
325	system groups to be used for local certificate
326	authentication</LI>
ef416fc2	327
757d2cad	328	<LI><EM>RunAsUser Removed;</EM> The insecure
	329	RunAsUser mode has been removed in favor of OS
	330	mechanisms such as SELinux</LI>
ef416fc2	331
757d2cad	332	<LI><EM>Launchd Support;</EM> The schedule now
	333	supports running via the MacOS X launchd program,
	334	delaying cupsd startup until needed</LI>
	335
	336	<LI><EM>Dynamic Device Lookup;</EM> The scheduler
	337	now queries the backends for devices as
	338	needed - no more restarting to get new devices!</LI>
	339
	340	<LI><EM>Dynamic PPD/Printer Driver Lookup;</EM>
	341	The scheduler now scans for PPD files and/or
	342	printer drivers as needed - no more restarting
	343	after installing drivers, and PPD files can be
	344	generated dynamically!</LI>
ef416fc2	345
757d2cad	346	<LI><EM>Port Monitor Support;</EM> CUPS now
	347	supports "port monitor" filters between the
	348	printer driver filters and backend to do printer-
	349	and device-specific encoding and transport
	350	functions.</LI>
ef416fc2	351
757d2cad	352	<LI><EM>Multi-File Job Improvements;</EM> CUPS
	353	now sends multi-file jobs in a single connection
	354	to the printer or remote server, preserving the
	355	order of jobs</LI>
ef416fc2	356
757d2cad	357	<LI><EM>Environment Variable Support;</EM> The
	358	scheduler now supports setting environment
	359	variables for filters and CGI programs via the
	360	Apache <CODE>PassEnv</CODE> and
	361	<CODE>SetEnv</CODE> directives</LI>
ef416fc2	362
757d2cad	363	<LI><EM>Improved CGI Support;</EM> The scheduler
	364	now supports more of the CGI/1.1
	365	specification</LI>
ef416fc2	366
757d2cad	367	<LI><EM>Log Files;</EM> Log files are now
	368	accessible via HTTP requests using the
	369	<VAR>/conf/log/filename</VAR> resource</LI>
ef416fc2	370
757d2cad	371	<LI><EM>Power Management;</EM> The scheduler now
	372	responds to power management events from the
	373	operating system (currently MacOS X only)</LI>
ef416fc2	374
757d2cad	375	</OL></DD>
ef416fc2	376
ef416fc2	377
757d2cad	378	<DT>LPD Client Support</DT>
	379	<DD><OL START="68">
	380
	381	<LI><EM>Performance Improvements;</EM> CUPS no
	382	longer loads every available printer before
	383	accepting a print job</LI>
	384
	385	<LI><EM>Banner Support;</EM> Banner pages can now
	386	be requested by an LPD client, with server-side
	387	overrides as desired</LI>
	388
	389	<LI><EM>Multi-File Support;</EM> CUPS now creates
	390	a single IPP job for multi-file LPD jobs</LI>
	391
	392	</OL></DD>
	393
	394
	395	<DT>Localization and Internationalization</DT>
	396	<DD><OL START="71">
	397
	398	<LI><EM>Command-Line Programs;</EM> All
	399	command-line programs are now fully
	400	localized</LI>
	401
	402	<LI><EM>Character Set Support;</EM> CUPS now
	403	supports a wider range of character sets
	404	including Big5 and Shift-JIS</LI>
	405
	406	<LI><EM>Globalized PPD Support;</EM> PPD files
	407	can now contain multiple language
	408	localizations</LI>
	409
	410	</OL></DD>
	411
	412
	413	<DT>Printer Drivers</DT>
	414	<DD><OL START="74">
	415
	416	<LI><EM>New Drivers;</EM> CUPS 1.2 adds Zebra
	417	CPCL and EPL label printer drivers</LI>
	418
	419	<LI><EM>Driver Interfaces;</EM> CUPS now supports
	420	driver interfaces which allow a driver to
	421	advertise the printers it supports and
	422	automatically generate the PPD file as
	423	needed</LI>
	424
	425	<LI><EM>High-Definition Range Color;</EM> CUPS
	426	1.2 adds 16-bit per channel color support</LI>
	427
	428	<LI><EM>Raster Compression;</EM> The CUPS raster
	429	format has been updated to use data
	430	compression for faster printing</LI>
	431
	432	<LI><EM>Extended Printer Attributes;</EM> The
	433	CUPS raster format has been extended to support
	434	additional per-page printer-specific
	435	attributes</LI>
	436
	437	<LI><EM>Back-Channel Data Support;</EM> Printer
	438	drivers can now read data back from the printer
	439	device</LI>
	440
	441	<LI><EM>Custom PPD Options;</EM> PPD files can
442	now contain options that accept custom
443	values</LI>
444
445	</OL></DD>
446
447
448	<DT>CUPS API</DT>
449	<DD><OL START="81">
450
451	<LI><EM>Thread Safety;</EM> All of the CUPS API
452	is now thread-safe on systems that support POSIX
453	threads</LI>
454
455	<LI><EM>Performance Improvements;</EM> Many of
456	the existing APIs have been optimized for
457	speed</LI>
458
459	<LI><EM>Array API;</EM> The new array API
460	provides a generic array container and is used to
461	implement many of the new CUPS 1.2 features and
462	performance improvements</LI>
463
464	<LI><EM>Directory API;</EM> The new directory API
465	allows applications to portably list the contents
466	of a directory</LI>
467
468	<LI><EM>File API;</EM> The new file API supports
469	optionally-compressed file IO and simple socket
470	communications without the limitations of
471	stdio</LI>
472
473	<LI><EM>HTTP API;</EM> The HTTP API now provides
474	many new URI and address handling functions,
475	accessor functions to key <CODE>http_t</CODE>
476	information, write-buffering functions, and large
477	file APIs</LI>
478
479	<LI><EM>IPP API;</EM> The IPP API now provides
480	functions to encode arbitrary options, add
481	<CODE>octetString</CODE> attributes, create
482	common IPP requests, convert IPP status and
483	operation code values to/from strings, and read
484	and write IPP messages via callbacks.</LI>
485
486	<LI><EM>PPD API;</EM> The PPD API has been
487	updated with new functions to support reading
488	from CUPS files, localization of globalized PPD
489	files, emission of arbitrary ranges of options,
490	custom option support, enhanced JCL support, and
491	access to all options in the PPD file</LI>
492
493	<LI><EM>Error Handling;</EM> The CUPS API now
494	provides a convenience function to get the full
495	error message of the last request</LI>
496
497	<LI><EM>Back-Channel API;</EM> The new
498	back-channel API provides backends and filters
499	with access to information sent back from a
500	printer</LI>
501
502	</OL></DD>
503
504
505	<DT>CUPS Imaging API</DT>
506	<DD><OL START="91">
507
508	<LI><EM>Image API;</EM> The new image API
509	provides access to image files of arbitrary size
510	and is based on the CUPS 1.1.x private image
511	filter APIs</LI>
512
513	<LI><EM>Raster API;</EM> The raster API provides
514	new functions to read and write the version 2
515	raster page headers, and a new function to
516	generate a page header from marked PPD
517	options</LI>
518
519	</OL></DD>
520
521	</DL>
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