Below are a list of added features and bug fixes that are incorporated for each minor build of OfficeWriter 9.x

OfficeWriter 9.1

ExcelWriter

New Features

All new features are implemented for XLSX/XLSM files only unless otherwise indicated.

• Ability to implement custom / non-implemented calculation engine formulas (see WB.RegisterCustomFunction)
• New calculation engine formulas (see Calculation Engine Supported Formulas)
• Ability to calculate formulas in an area  (see Area.CalculateFormulas)
• Ability to remove formulas from a workbook or worksheet (see Workbook.RemoveFormulas or  Worksheet.RemoveFormulas)
• Ability to sort areas (see Area.Sort)
• Ability to save an image of an area (see Area.SaveImage)
• Ability to save an image of a chart (see Chart.SaveImage)
• Ability to specify the layout of a Pivot Table (see PivotTable.PivotTableLayout) 

Enhancements

All enhancements are implemented for XLSX/XLSM files only unless otherwise indicated.

• Large speed and memory performance enhancements for Worksheets.CopySheet

Bug Fixes

• Issue when reading/writing certain PageSetup object properties resolved. 

PowerPointWriter

• No changes were made to PowerPointWriter in 9.1 

WordWriter

New Features

No changes were made to WordWriter in 9.1 

Reporting Services Integration

New Features

• The Word Designer .NET has been released
• A large number of ExcelTemplate and WordTemplate properties now are available in Reporting Services (see Setting Global ExcelTemplate and WordTemplate Properties in Reporting Services).
• Ability to use the calculation engine for SSRS (see Activating Post-Processing ExcelApplication Features in SSRS). 

Installer

• The OfficeWriter installer no longer removes V8 License keys when installing OfficeWriter 9.
• The OfficeWriter installer no longer automatically installs the OfficeWriter Designer. Please install the OfficeWriter Designer .NET separately.

OfficeWriter 9.0

ExcelWriter

New Features

• Calculation Engine for ExcelApplication (see Calculation Engine Supported Formulas)

PowerPointWriter

New Features

• Template Object (see PowerPointTemplate API)
• Application Object: Copy Slide, Delete Slide, Align Images, Document Properties

WordWriter

New Features

• Add missing outer HTML tags to HTML documents used with the document modifier

Reporting Services Integration

No changes were made to Reporting Services Integration in 9.0.0

Installer

New Features

• Handles multiple license keys
• Automatically selects components to install based on license keys