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Thoughts around ORM, .NET and SQL databases.

Thursday, December 09, 2010

DataObjects.Net v.4.4 Beta, v.4.3.6 and the Christmas Sale

Development branch

Today we are happy to announce the next significant step in DataObjects.Net 4 development — DataObjects.Net 4.4 Beta 1. This release includes the following exciting features and updates:
  • ORM platform unification for usage in both server-side and client-side applications
  • Optional Session auto-activation
  • Optional Transactions
  • 'Unit of work' pattern support in UI applications
  • Greatly reduced number of assemblies (only 3 assemblies instead of 17)
  • F# language support
  • Visual Basic language support
  • Xtensive Practices initiative
  • and much more...
For further information see DataObjects.Net 4.4 Beta 1 Release Notes.

Due to major changes in API, usage of this release in projects, based on the previous version of DataObjects.Net, might require some fixing of assembly references or namespaces. Migration path is described in the Release Notes file.

Download DataObjects.Net 4.4 Beta 1

Stable branch

DataObjects.Net 4.3 branch is updated to 4.3.6 version. This release includes the following changes:
  • Visual Basic support
  • EntitySet now implements IValidationAware
  • SessionOptions.ReadRemovedObjects is added
Bug fixes
Download DataObjects.Net 4.3.6

And one more thing

Xtensive LLC announces the Christmas Sale, which is starting in the middle of December.
Look for Christmas coupons on our websites, take your chance and get 20% off regular product price.

Stay tuned.


  1. Great great great, i can wait until i test v4.4 of DO4 tonight :-)

  2. Thanks for the warm welcome, Peter.

    We are looking forward to hearing from you.


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