3 new Solution Layers SL1, SL2 and SL3 have replaced DIP, LOS and LOP to enable Microsoft Dynamics Industry Solutions deployments. DIS Layer renamed to HFX layer which can be used for hotfixes.
New node in AOT named Workflow. It enables to create workflow templates, categories, tasks and approvals.
COM Business Connector no longer supported in future release although a command-line interface is still there for installing the same.
Best Practices check
New Best practice checks have been updated for Dynamics AX 2009
Integration with more VCMS systems. New features for TFS Integration
XML Documentation can be written in X++ source code to document classes, tables and table methods and this can be extracted from the source code to create an XML Documentation file.
A new framework for Enterprise portal wherein controls for EP can be developed using VS IDE
Integration with Visual Studio IDE to develop and deploy reports. Reporting projects created in VS IDE can be packaged and added to AOD
Reverse Engineering Tool
Supports new model type to generate .erx files that can be used to create an ER data model.
Includes primary list page, secondary list page, content page and area page to view data records and open forms.
Queries and Views
AOT Query object enables construction of query that represents union of two or more existing datasources. AOT View object enables to use query as datasource
Timezone support and new datatype utcdatetime
Composite queries uses another query as it's datasource and helps in reusing code and objects.
Cross Company Support
A cross company query can return data for several companies in a single run. Central to this functionality is the new X++ keyword crossCompany, and the new property AllowCrossCompany on Query objects in the AOT.
X++ SQL Enhancements
SQL statements in X++ have been enhanced to bring them closer to the functionality of industry standard SQL. It includes better support for inner and outer join clauses, better group by and order by clauses, and better support or using variables as a source of data to be inserted or updated.
CLR Interop Enhancements
ByRef keyword for out or ref parameters, .NET Framework array and Enum Support
Debug Batch Jobs on Server
In Microsoft Dynamics AX 2009, the default is for each batch job to run on the Application Object Server (AOS). Yet the developer might want to debug the batch from his client computer. The utility AxDebug.exe can now do this.
AT.exe for updating Cross References
The Microsoft Windows Task Scheduler interface (or AT.exe) can be used to run a cross-reference update beginning in the late evening, so it completes before morning
Microsoft Dynamics AX 2009 does not provide a complete system for the capture and processing of electronic signatures. But it does provide a kernel event and an editable event method. These can be the foundation for an electronic signature subsystem to be developed by partners
CRUD (Create, Read, Update & Delete) operations supported, AIF Framework enables developers to expose X++ business logic as WCF services, ASMX webservices replaced with WCF Services, consume web services