5.1

New Features

• System configuration moved to database.
• File system based file repository.
• Repository query "Max(A)+Count(B)" like expressions for aggregations.
• Left navigation menu customization.
• Feature configuration to disable system features like search, forwarding etc.
• Date range picker for data time fields.
• WebServiceProducer module task removed.
• Graphical organization database editor.
• OrganizationUnit Manager field added.
• Domain based password complexity policy.
• Version number is now can set before committing changes.
• Organization login captcha support added.

Improvements

• DotNet Core migration preparations.
• User profile page improved.
• Log system improved.
• Color picker palette changed to material ui colors.
• Performance improvements.
• Worklist filter improved.
• Database text type converted to varchar(max) for sql server.
• Configuration tools moved as agent command line helpers.
• Organization templates updated.
• Administrative pools now uses different icon for usability.
• Folder toolbar updated for mobile devices.
• SMTP connection compatibility improved for cloud services.
• Database schema restoration is now only performed for table columns.

5.0

New Features

• (UI) Home dashboard implemented.
• (UI) Dashboard designer implemented.
• (UI) Code editor improvements.
• (UI) Calendar half day holidays implemented.
• (UI) Worklist tags now shows work item counts.
• (UI) Completed instances are now archived in worklist.
• (UI) Generic positions now can be used assign permissions in organization wide.
• (UI) Theme customization implemented.
• (FORMS) High performance new widget system.
• (FORMS) RowContent color options added.
• (FORMS) New Query control implemented to fetch data from multiple data sources.
• (FORMS) Xml data view improved.
• (FORMS) Form based stylesheets implemented.
• (FORMS) $Database.Get method implemented for client side form scripts.
• (FORMS) FlowContent is now upgraded to RowContent.
• (CORE) MSDTC dependency has removed.
• (CORE) Postgre database compatibility implemented.
• (CORE) Database migration tool implemented.
• (CORE) Bearer header support added to RPC calls.
• (CORE) Log outputs optimized.
• (CORE) Background jobs now uses async thread pool for better CPU utilization.
• (WF) Process version commit changes button now shows the diff view to compare changes.
• (WF) Commit changes button now allows the save changes to another version.
• (WF) Process activity log implemented.
• (WF) Work item search criteria improved to include process and user based filters.
• (WF) Scripting modules implemented.
• (DATA) Repository table indexes implemented.
• (DATA) Repository static criteria added to relations.
• (DATA) Database queries now allows to use relative date time expressions in criteria.

Bug Fixes

• Label boolean value formatting fixed.
• Responsive layout fixes for modal dialogs.
• Xml data copy operation bug fixes.
• Uploaded file names incorrectly handled when non-ascii characters are used.
• Web socket notifications async call bug fix.
• Oracle adapter bug fixes
• Registry number now displayed for identity search results.
• Load balancing issues fixed.
• PDF converter tool upgraded.
• Browser compatibility fixes.
• Excel format compatibility fixes.

4.5

New Features

• Rest service invocation support for scripting. (See $Rest)
• Google Drive and One Drive integration.
• Google Calendar and Office 365 Calendar integration.
• Service account support for open auth services.
• Camera support as file attachment.
• Query designer.
• Performance improvements for repeating controls like Table or Repeating Content.
• Row rules for repeating controls like Table or Repeating Content.
• Activity heartbeat report.
• Message control for general usage.
• AutoSelectAll property for QueryContent control.
• Trigger method for rest service. (See Rest Services)
• Low level job errors now reported to system administrator instead of domain administrator.
• Client side $Calendar2 support added.

Bug Fixes

• Activity stream query performance increased
• Bearer header support for rest services
• Domain properties cache was not correctly invalided.
• Removing a folder incorrectly invalidates cache.
• Full text indexing performance increased.
• Instance completion was incorrectly handled. 
• Instance.Priority property now accessible from scripting environment.
• Performance enhancement for large xml data set.

4.4

New Features

• New user interface and design
• User avatars now visible on work list
• Theme re-design.
• Smart priority ordering for Inbox
• Mail notification for delegated participants
• Command line configuration tool implemented.
• GetWorkItemData method added to rest service.
• Worker jobs now executed in time out limits.
• Instance number now visible on background job search results.
• Performance enhancements for Table and Repeating content controls.
• Embedded page "actions", "returnUrl" parameters added.
• IP restriction configuration on domain settings.
• Automatic update configuration support added.
• Date Format preference option added to user profile. (4.4.14)

Bug Fixes

• Design fixes for mobile devices
• Domain properties cache now correctly invalidated.
• Full text jobs disabled for module type tasks
• Evaluate jobs throws exception for user type tasks
• Timezone calculation corrected for work item search results.
• Time data type now uses "HH:MM" format instead of full date time information.
• BaseX tool replaced with java version.
• Security enhancements against XSS type attacks. (4.4.9)

4.3

New Features

• OneToOneOrZero type relation added in relational databases to force left join queries.
• SingleSessionEnforcement configuration property added. If set to true; login operation to closes previous sessions from another browsers for same user.
• Scripting functions like database and web service calls now logged on job log.
• Section type row content control has collapsing property to collapse or expand form sections.
• ExpandingContent control deprecated.
• QueryContent and XmlQueryContent controls has validation group property to validate form rules before executing query.
• Process initiate animation added.
• Work list now has related folder name column.
• Background jobs now can be filtered with instance number.
• Background job state buttons moved to job details dialog.
• Work list inbox tag now sorted by scoring mechanism. Score is calculated from how long workflow instance started and how much time left by deadline date. 
• While calculating roles, groups are no longer expanded to users while assigning task. Group members dynamically calculated.

Bug Fixes

• Minor bug fixes
• Module type work items deadline date now processed.
• Job log storage duration time reduced for non-critical jobs.
• PDF conversion timeout added as configuration parameter.
• Server disconnected error message fixed for long operations when a action selected on work item.
• License validation bug fixed.

4.2

New Features

• Desktop application support for digital signatures
• Rich text editor change tracking
• Event handling performance edhancements
• XPath extensions for scripting functions
• Job statistics dashboard added
• Full text indexing has now executed in time out limit.
• Activity instance caching implemented
• AutoSelectValue property added to drop down controls

Bug Fixes

• Minor bug fixes
• Transaction timeout bug fixes
• Telemetry version information was not correctly transported.
• Obsoleted jobs now removed from system.
• Reminder handling bug fixes
• Folder dashboard cache is now cleared when process changes are committed.
• "Workitem is readonly" error message is fixed.
• License validation bug fixed.

4.1

New Features

• Domain security profiles
• Application Licensing
• Performance edhancements

Bug Fixes

• Minor bug fixes
• Obsolete jobs now deleted from database
• Bug fixes for localizing database fields
• Database timeouts increased
• Activity stream bug fixes
• Literal template performance increased

4.0

New Features

• Rich text editor upgraded
• Oracle database support added
• Activity stream added
• Background jobs added.
• Page design updated.
• Kolay Imza integration
• Yearly calendar rule added.

Bug Fixes

3.9

New Features

• Private data store registration
• Query aggregation (Sum, Count, Max..) type added.
• Market product licensing
• Responsive layout features for mobile devices
• File.Size property added

Bug Fixes

...

Emakin publishes release notes with a summary of changes for each version.