The development, testing and documentation of Service Pack 1 has been a massive effort from all areas of the development, testing, support and product management teams. Well done and thank you to all those involved.
The core Dynamics dictionary version for Service Pack 1 is 12.00.1412 and the Dexterity version is 12.00.0232. For more version details download the MDGP2013_MSPVersionList.xls file. For the install guide and a list of issues fixed, download the 12.0SP1_install_guide_ENUS.pdf file. Both files are available from the main Service Pack page (or from the links here).
The links below are for the Service Pack pages so you can download Service Pack 1 or the updated DVD image:
I will publish more links for the other external modules and tools once they are available.
Service Pack pages for all current versions can been found on the Developer Articles & Links page.
Check out the blog post on the Dynamics GP Support and Services Blog:
Note: Please do not post questions about technical issues in the comments, you would be best to post on the newsgroups (links in right hand panel) or create a support incident.
Great job everyone.
24-Apr-2013: Added Link to Dynamics GP Support and Services Blog.