For a full change log of all the new features and bug fixes for each version of PLINQO be sure to look at the PLINQO Release Blog.

PLINQO 5.2

• Added support for .Net 4.5 and Visual Studio 2012/2013.
• Fixed a bug where an exception would be thrown when trying to add an association that contains a column that was is not a supported db type (E.G., spatial types).
• Fixed a bug where Visual Studio Solutions wouldn't open automatically.
• Fixed a bug where a VB Compiler error would occur when generating functions with Xml Serialization enabled.
• Fixed a issue where VB access modifiers could be incorrectly generated.
• Fixed a bug where ToPlural could return a lowercased resolved mapped name.
• Fixed a query extensions compiler error that would occur for non nullable XML columns (Operator '=' is not defined for types 'System.Xml.Linq.XElement' and 'System.Xml.Linq.XElement'.)

PLINQO 5.1

• Added support for Generator 6.x.
• Add MemCached Provider to PLINQO.
• Added IncludeManyToMany option.
• Updated Entities to support Nullable Composite Key assignment.
• Updated RuleManager and added Remove method.
• Added additional ClearCache methods.
• Updated interfaces for many associations to be IEnumerable instead of IList, this allows for comparability with .NET 3.5
• Various Performance Improvements when generating.
• Database columns that have the type of Geography and geometry will now be skipped.
• Make sure that no lazy loading happens while doing a detach.
• Fixed a bug with Xml Comments not being escaped and two bugs where invalid syntax was used.
• Fixed a bug that could cause the CacheManager to remove the wrong cache entry.
• Fixed a bug with PLINQOS IncludeXmlSerialization support and Binary Columns.
• Fixed a Compiler Error with Visual Basic Function Support.
• Fixed a bug in the  Visual Basic Query Extensions.
• Fixed a bug with the Generated Interfaces not importing the entity namespace. This effected complex column properties..
• Fixed a bug where existing Member Names starting with a digit where treated as valid names. If a memeber names starts with a digit, we will update it!
• Fixed a NullReferenceException in LinqToSqlDataContextProvider.GetDataContext(IQueryable query)

PLINQO 5.0.4

• Fix bug with GetHashKey and Contains not being unique
• Fixed a bug where the DataContext was not being named correctly.
• Updated PLINQO Interfaces to inlcude associations
• Fix issue with Transaction and GetCommand

PLINQO 5.0.3

• Fix to remove unprocessed function types and columns
• Updated the syntax for invoking stored procedures.
• Fix issues with AuditLog by adding a Refresh method on AuditManager
• Add support for XmlReader to AuditLog
• Add support for table CRUD mapped to functions

PLINQO 5.0.1

• Added IncludeList property to dbml template to support explicit include
• Fixed keyword escape issues in functions
• Added Serializable attribute to entities
• Added QueryNamespace property to queries template so queries can be in a different namespace
• Make enums use full namespace to prevent naming issues
• Fixed issue with many to many association error "An item with the same key has already been added."
• Updated vb function to use correct ByRef or ByVal in parameters
• Fixed issue for cache on different databases
• Fixed include list to not prevent association generation
• Fixed issue with cache default profile
• Fix to make IsPrimaryKey sync correctly
• Fixed issue initializing PLINQO rules asynchronously

PLINQO 5.0

• Added Visual Studio 2010 and .NET 4 Support
• Updated QuickStart with latest Dynamic Data and DataServices
• Added SQLCacheDependancy Support
• Added IQueryable Cache Extensions
• Added Include extension for advanced eager loading
• Improved AuditLog, now includes updates after SubmitChanges
• Fixed bug in CacheManager where default profile did not load properly
• Added override RuleManager.Run override that populates the TrackedObject.Original
• Fixed bug in AuditLog
• Fixed bugs in VB Quick Start
• Added DataContextName to QuickStart.cst
• Fixed Managers didn't have the same access modifier as entities
• Fixed bug in GetByKey function in VB
• Fixed invalid cast exception for Range attribute on short properties
• Fixed bug in ExecuteFutureQueries when no queries were loaded
• Fixed bug in Manager when column didn't exist
• Added logic to skip columns of type 'hierarchyid'
• Added work around for L2S Profiler not working with transactions
• Fixed bug where Metadata property types did not match up with Enums
• Added BeginTransaction with no overload

PLINQO 4.0.1

• Change to argument order of operators to make it more clear which is the left and right side of the operation. (Breaking Change)
• Add NextPage, PreviousPage, GotPage to PagedList
• Update CodeSmith.Data.chm to have correct email address for suppor
• Add methods GetOrSet to CacheManager and CacheProvider
• Add BeginTransaction to DataContextExtensions
• Add GeneratedCodeAttribute to Generated classes
• Fix issue with duplicate many to many names
• Add full namespace to Metadata class
• Fix bug in LinqCacheDataSource
• Add DataContextName to dbml template and Generator
• Change default Clean Expression to be less aggressive
• Added Current and Original entities to AuditEntity.
•  Fixed a bug loading NRefactory causing the templates not to compile
• Add NotNull Rule and Attribute.
• Fix bug with Update and TimeSpan data type.
• Fix issue with column named "Key"
• Change ViewDirectory to ModelDirectory
• Change comments in Entity.Editable.cst
• Fix ToBinary
• Improve sql generated with null values

PLINQO 4.0

• Added future query support similar to NHibernate Futures
• Added ability to query by null to query extensions
• Added ability to query by a list of values to query extensions
• Added ability to query using comparison operators (ie. greater than, less than) to query extensions
• Added cache provider support
• Added support for using Ayende's LINQ to SQL Profiler
• Added Memcached cache provider
• Added ability to create named cache profiles in configuration
• Added ability to validate individual entities
• Refactored RuleManager to lazy load shared rules
• Combined extension method namespaces to make the extension methods more discoverable
• Added support for SQL Server user defined functions
• Added entity interfaces to help with mocking and other uses
• Updated ToPagedList() to use future queries for retrieving the total row count
• Added ToBinary(), FromBinary(), and FromXml() methods to help with entity serialization
• Added UTC support for the Now attribute and rule
• Added ClearCache() to remove queries from the cache
• Fixed several bugs with batch queries
• Many other bug fixes and small enhancements listed on the CodeSmith Google Code project site.

PLINQO 3.1

• Added query result caching.
• Added a new AlwaysAuditAttribute to make it possible to always audit a property even if it hasn't changed.
• Added partial change tracking methods for EntityRef associations.
• Added support for maintaining user defined associations.
• Added partial change tracking methods for EntityRef associations.
• Added shared version information for Assemblies.
• Added support for AuditPropertyFormat.
• Removed AddRule that is no longer used in manager templates.
• Updated manager templates classes to lazy load.
• Fixed many to many issue when IncludeDeleteOnNull is false.
• Fixed bug with a keyword in function parameter name.
• Fixed bug with transactions in ExecuteQuery.
• Fixed bug with nullable columns in queries.
• Fixed bug with nullable parameter in query.
• Fixed support for inheritance.

PLINQO 3.0

• Added Entity Detach.
• Added Entity Clone.
• Added support for Many-to-Many Relationships.
• Added auditing.
• Added Batch Updates and Deletes.
• Added support for multiple result sets.

PLINQO 2.x

• Added Enum table support.
• Added Many To Many association support.
• Added Detach method to Context.
• Added ICloneable on Business Entities.
• Updated Insert Class Merge Strategy to support merging Namespaces.
• Fix Issue with DeleteOnNull persisting when IncludeDeleteOnNull set to False.

PLINQO 2.0

• Added Quickstart template to allow quick generation of a Plinqo based web project.
• Added various Naming Convention properties to give better control over object naming standards.
• Added Dynamic Data support to generated entities.
• Added Metadata Internal class.
• LinqEntityBase now has an editable parent file.
• Manager produces rules based on MetaData Attributes
• Added Global.asax Template
• Entity Serialization adds functionality based on .Net framework version.
• Added Data Services support.

PLINQO 1.3

• Added GetByKey(IEntityKey) common method for manager template
• Made managers inherit from base classes in manager template
• Made primary key query use common name GetByKey in manager and query templates (Breaking Change)
• Fix namespace issues when context and entity namespaces aren't the same
• Fix QueryExtension with wrong context name
• Fix CompiledQuery issue when there are more then four columns
• Fix issue with compiled queries and load options
• Fix bugs when dbml file is loaded in designer
• Added support for adding the ConnectionString to the settings file
• Added Queries.cst to support query extension Methods
• Removed manager data context, now another partial of the DataContext (Breaking Change)
• Added support for unique indexes
• Added range rule for dates
• Update to .net 3.5 RTM

PLINQO 1.2

• Fix LinqDataSource issue by making all properties writable
• Added CompiledQuery support to the manager classes
• Added support for overriding the column data type

PLINQO 1.1

• Changed to use dbml schema as meta data
• Split templates up to allow more flexibility
• Added function, table inheritance, ignoring, and name cleaning support