An important security update is being released for both the latest version of CiviCRM and the long-term-support version. We recommend you upgrade immediately to maintain the security of your site.
For more information on the security issues see:
You can see a full list of improvements to the released versions:
CiviCRM is free, open source software made possible through contributions from people like you. If your organization benefits from using CiviCRM and from the great new features in this release, please consider making a recurring contribution to support the project.
If you are installing CiviCRM 4.6 from scratch, please use the corresponding automated installer instructions:
Upgrading to 4.6
If your site is highly customized with special code or theming for CiviCRM you will want to upgrade a test copy first and test your customizations. For everyone else, follow these simple steps to get yourself up and running with 4.6.
Community support and engagement is the force that sustains and drives CiviCRM forward. This release would not have been possible without the incredible contributions of these people and organizations:
AGH Strategies - Andrew Hunt, Jane Hanley, Maggie Epps, Tommy Bobo, Tyrell Cook; Amnesty International Spain - Carlos Capote; Arete-Imagine - Nathan Porter, Marisa Porter; Backoffice Thinking; Chris Burgess; Botanical Society of America - Toby Lounsbury; Allan Chappell; Joanne Chester; Circle Interactive - Andrew Walker, Dave Jenkins; CiviDesk - Nicolas Ganivet, Sunil Pawar; Compucorp - Jamie Novick; Dave D; CiviCoop - Erik Hommel, Jaap Jansma; Drupal Association - Neil Drumm; Electronic Frontier Foundation - Mark Burdett, Max Hunter, Leez Wright; Freeform Solutions - Lola Slade; Future First - David Knoll, John Prescott, Vitor Nobrega; Fuzion NZ - Eileen McNaughton, Peter Davis, Torrance Hodgeson; Giant Rabbit- Anna Heath, Peter Haight; Ginkgo Street Labs - Frank Gomez, Michael Daryabeygi; Great Lakes Planetarium Association - Geoff Holt; GSOC 14: Aditya Nambiar, Siddhant Rajagopalan; Jimmy Huang; Kirk Jackson; Jim Meehan; JMA Consulting - Joe Murray, Pradeep Nayak, Edsel Lopez; Keith Morgan; Korlon - Stuart Gaston; Koumbit - Samuel Vanhove; Lighthouse Consulting and Design - Brian Shaughnessy; Mathieu Lutfy; Mission Matters - Josh Aranda; National Democratic Institute - Chris Doten; New York State Senate - Ken Zalewski; Niro Solutions; Oliver Gibson;Orgis - Hans Idink; Palante Technology Cooperative - Jon Goldberg; Paul Campbell; Pogstone - Sarah Gladstone; Jeremy Proffitt; Progressive Tech Project - Alice Aguilar, Jamie McClelland; Registered Nurses Association of Ontario - Stan Dragnev; San Francisco Baykeeper - Eliet Henderson; Semper IT - Karin Gerritsen; Skvare - Peter Petrik, Mark Hanna; Systopia - Björn Endres;Tadpole - Dana Skall, Kevin Cristiano; Tech to the People - Xavier Dutoit; Veda Consulting - Parvez Saleh, Deepak Srivastava, Priyanka Karan; Chris Ward; Web Access - Tony Mazzarella; Christian Wach; Ken West; Wikimedia Foundation - Adam Wight; Zing - Simon West, Andrew Tombs.