Version 1.3 of the X.Org Resize and Rotate extension. RandR 1.3 brought support for querying state without output probing, multi-monitor panning, display transformation support, and support for standard outputs.

RandR 1.3 Articles & Reviews

RandR 1.3 Explained, Demonstrated   Display Drivers   2009-02-08

RandR 1.3 Linux & Open-Source News

MATE-Desktop 1.11 Released, Working Towards MATE 1.12   GNOME   2015-10-08
NVIDIA Has Major New Linux Driver: Optimus, RandR 1.4   NVIDIA   2013-04-09
VIA Secretly Has A Working Gallium3D Driver   Mesa   2013-04-02
NVIDIA Releases Its Stable 302 Driver w/ RandR 1.3   NVIDIA   2012-06-16
NVIDIA Releases L4T Linux 15   NVIDIA   2012-06-14
NVIDIA Releases Tegra Hardfp Pack   NVIDIA   2012-05-06
NVIDIA's 302 Linux Driver Finally Has RandR 1.2/1.3   NVIDIA   2012-05-02
X.Org 7.7 Release Candidate 1 Finally Emerges   X.Org   2012-04-16
AMD Catalyst 11.8 Linux Driver Released   AMD   2011-08-17
AMD Catalyst 11.7 Driver For Linux Brings...   AMD   2011-07-27
NVIDIA Releases Tegra 12 Alpha 1 Ubuntu-Based Linux   NVIDIA   2011-06-27
AMD Catalyst 11.3 Drops Support For Old X.Org   AMD   2011-03-29
Schei├če! RandR 1.4 Gets Yanked From X Server 1.10   X.Org   2011-02-25
X Server 1.9 Window Closing After RandR 1.4 Pull   X.Org   2010-06-07
X.Org Talks For FOSDEM 2010 Still Missing   X.Org   2010-01-19
X.Org 7.5 Now Released   X.Org   2009-10-26
AMD Catalyst 9.10 Linux Driver Released   AMD   2009-10-22
X.Org 7.5 / X Server 1.7: No Branching, No Beta   X.Org   2009-07-22
OpenSolaris Receives New X Server, Mesa   Oracle   2009-06-18
RandR 1.4 & Per-Output DPMS Controls   X.Org   2009-06-11
X Server 1.6.1 Released With 15 Fixes   X.Org   2009-04-14
RadeonHD 1.2.5 Driver Released   Radeon   2009-04-09
RandR 1.3 Has Officially Been Released   X.Org   2009-03-06
X Server 1.6 Gets A Bit Closer To Release   X.Org   2009-02-18
X@FOSDEM 2009: RandR 1.3, GEM, Gallium3D, Etc   X.Org   2009-02-14
A 3D Understanding Of ATI's R600/700 Series   AMD   2009-02-12
XRandR Gets Support For RandR 1.3 Features   X.Org   2009-02-01
X Server 1.6.0 RC2 Finally Makes It Out The Door   X.Org   2009-01-31
The State of X Server 1.6: Still Missing   X.Org   2009-01-27
X.Org Talks Planned For FOSDEM 2009   X.Org   2009-01-15
No X Server 1.6 Release In Sight   X.Org   2009-01-05
No X Server 1.6 Release Candidate For Christmas   X.Org   2008-12-25
RandR 1.3 Officially Gets Properties Support   X.Org   2008-12-18
Updated X.Org, X Server Packages Hit Ubuntu 9.04   Ubuntu   2008-12-16
Intel 2.6 RC1 X.Org Driver Brings DRI2, XvMC   Intel   2008-12-15
RadeonHD 1.2.4 Driver Released   Radeon   2008-12-12
X Server 1.6 Beta 3, New Drivers Get RandR 1.3 Panning   X.Org   2008-12-10
Ubuntu 9.04 To Get Nouveau Driver   Ubuntu   2008-12-09
RandR 1.2 Coming To NVIDIA's Binary Driver   NVIDIA   2008-12-04
X Server 1.6 Beta 2 Now Available   X.Org   2008-12-03
RandR 1.3 Arrives With Panning Support   X.Org   2008-11-28
X Server 1.6 Beta 1 Has Been Delayed   X.Org   2008-11-26
MPX, X Input 2 Not Ready For X Server 1.6   X.Org   2008-11-16
X Server 1.6 Gets A Release Schedule   X.Org   2008-11-14
Properties For RandR 1.3 Discussed Again   X.Org   2008-10-28
Intel Calls For X Server 1.6 This Year   X.Org   2008-09-05
X.Org 7.4 To Lose DRI2 Support   X.Org   2008-08-04
XDC 2008: Radeon, RandR 1.3, & More   X.Org   2008-04-18
The Latest On RandR 1.3   X.Org   2008-01-23
RandR 1.2 Enters RadeonHD Master   Radeon   2007-11-21
Planned Features For X.Org 7.4, 7.5   X.Org   2007-10-02