Release Notes

Here is everything rolled out across our last two releases.

Release Notes

26 Version 26

Enhanced Authentication: Added support for HTTPS calls via API Key or Single Sign-On (SSO), providing more secure and flexible integration options.
Administrative Audit Logging: Introduced a new audit log application, enabling administrators to track system activity and monitor user execution logs.
AD Group Access Management: Implemented a new API for managing permissions, allowing administrators to programmatically control platform access based on Active Directory group assignments.

Last Updated: June 8, 2026

New Features 3 items

Type

Summary

Version

Feature

Investigate why the Data Explorer won’t start up in the latest build

26.1.83

Feature

Web form to perform security checks against AD group with traceability/logging

26.1.85

Feature

Implement a setting flag to determine whether to use a period or a hyphen in URLs

26.1.114

Bug Fixes 7 items

Type

Summary

Version

Bug

Exception when attempting to set security on front end screens for groups

26.1.83

Bug

Exception is thrown for attempting to execute a custom source with deny security

26.1.83

Bug

An exception is thrown when attempting to delete a group via Studio

26.1.83

Bug

Audit view does not update with new records

26.1.83

Bug

Exception in the Audit log view on execution

26.1.85

Bug

AD groups

26.1.107

Bug

Allow access via API key

26.1.114

25 Version 25

Integrated IronPython Editor: A new, dedicated editor within Quintessence to streamline script development and management.
Modular Scripting: Added the ability to create reusable modules, improving code efficiency and maintainability across projects.
Automated Excel Styling: Streamlined reporting with new stylesheet functionality, allowing for automatic, professional formatting in exported Excel files.
Data Explorer Web App: Introduced a new web-based interface for intuitive, browser-based data navigation and exploration.
Modernized Studio Design: An updated aesthetic featuring modern icons and flexible interface themes, now including a dedicated dark mode.
Enhanced Function Debugger: Improved debugging capabilities to help users quickly identify and resolve issues within failing reports or custom data sources.
API-Key Authentication: Added support for logging into Studio and the Quintessence Excel Add-in using API keys as an alternative to Windows Authentication.

Last Updated: July 20, 2026

New Features 31 items

Type

Summary

Version

Feature

Enable the run with debug button to allow debugging of stylesheets and callbacks

25.1.4

Feature

Callback buttons not taking effect when the same Cell.Name value is used twice

25.1.4

Feature

Callback stops working when a formatted report is called from Excel containing an ‘@’

25.1.4

Feature

Make tweaks to Excel Ribbon button names

25.1.7

Feature

Allow named cells to cater for multiple cells

25.1.7

Feature

Utility function audit logging

25.1.18

Feature

Support for SQL Express

25.1.18

Feature

Investigate exceptions in Data Explorer: Insufficient resources

25.1.22

Feature

Saving a task while editing variables

25.1.23

Feature

You cannot cache a list or characteristic cs using a task

25.1.23

Feature

Missing Array and Snapshot options in datafeed

25.1.23

Feature

Improve the global search scope

25.1.26

Feature

Look for the name of an entity in custom sources when not in database

25.1.28

Feature

Add an option to the Excel add-in to allow the add-in to record “recalc with breakdown” activities during normal operation.

25.1.30

Feature

An option to output an @ when exporting to Excel

25.1.33

Feature

Implement locate for custom sources

25.1.33

Feature

Add an option to show all the codes for entities

25.1.33

Feature

Quintessence Add-in connect to .Net 8

25.1.39

Feature

Relationship.Period to change to RelationshipPeriod

25.1.48

Feature

Data Explorer service should start or remain running despite engines being offline

25.1.51

Feature

Case consistency in Python editor

25.1.60

Feature

Create a new Client Build

25.1.66

Feature

Discussion: Ability to pause scheduled schedules on engines start-up

25.1.71

Feature

Convert Fx to Qx.Sparse

25.1.77

Feature

Making changes to a module requires an engines restart

25.1.78

Feature

New build for Client

25.1.79

Feature

Expose the ability to clear the script cache for a report, user defined function or custom source via a web request

25.1.85

Feature

Investigate Data Engineer’s fix for loading complex array points

25.1.86

Feature

Create an upgrade utility for tasks

25.1.86

Feature

Add a flag to the Add-in to allow manual population mode

25.1.95

Feature

Provide more detail when populating a stylesheet

25.1.95

Fixed Bugs 120 items

Type

Summary

Version

Bug

Pop-up in Excel to have timeout

25.1.2

Bug

Using Alignment with Merge cells does not place borders fully around the merged block

25.1.6

Bug

Sending through a column with blank values using callback.schedule does not send through the column to the schedule

25.1.6

Bug

Callbacks break if the report references a named cell that doesn’t exist

25.1.7

Bug

Quintessence icons and Splash screen

25.1.8

Bug

Addin logs changed location to C drive

25.1.8

Bug

Studio has to be closed after losing connection to engines

25.1.8

Bug

Can not mix Named Cells and Excel RC Syntax

25.1.10

Bug

Non-existing entity in the context of a custom source seen as a blank

25.1.14

Bug

Cannot merge an entity that exists in the context of a custom source

25.1.14

Bug

Callback not picked up

25.1.18

Bug

Conditional formatting from Module throws error in Excel 25.1.16

25.1.18

Bug

Data type “real” from SQL not recognised in Quintessence

25.1.19

Bug

Getting an error when saving a custom source

25.1.19

Bug

If Save Task is clicked more than once, an exception is thrown

25.1.19

Bug

Cannot create folders in Scheduler

25.1.19

Bug

FTP component throwing null exception

25.1.21

Bug

Can’t see the results of the bottom panel in the function debugger

25.1.22

Bug

Spaces removed when typing

25.1.22

Bug

In Tasks, in Assign Variables Equation editor, if you select “Copy Equation” Studio throws an exception

25.1.22

Bug

Toolbar for Formula/SetVariable in Datafeeds can not be placed in mini icons mode

25.1.22

Bug

When you delete everything in a filter in scheduler, the grid throws an exception

25.1.22

Bug

The “group” checkbox on each of CS variables have different labels.

25.1.22

Bug

Remove the Log section on log componet

25.1.22

Bug

TSVDs with author do not output data

25.1.23

Bug

If a column header contains a hyphen, the join function complains about it

25.1.23

Bug

The components SetVariable and Formula in Datafeed are not working

25.1.23

Bug

Instances where collation “Latin1_General_CI_AS” not working or throwing an exception

25.1.24

Bug

Calculation breakdown times in Excel not accurate

25.1.24

Bug

Cannot create virtual collections using entity reference

25.1.26

Bug

DataExplorer entries into Auditlog is entered as the service account user, not the current user and does not take security into consideration.

25.1.26

Bug

Clash between collection ID and entity ID returns incorrect data via Relationship()

25.1.26

Bug

TSVDs and Entities do not appear in Data Explorer when using virtual collections in custom source context

25.1.26

Bug

Virtual TSVDs and RSVDs only upload unit=NA, even if unit=ALL is specified in the input data

25.1.26

Bug

Visible tick box in CS does not have any effect

25.1.28

Bug

Reload of memory tables clear the virtual entities in collections

25.1.28

Bug

Excel x86 throwing an error when using Quintessence functions

25.1.28

Bug

Rerunning a virtual feed does not clear virtual entities in collection

25.1.29

Bug

Codetype priority display in result grid or exported function

25.1.33

Bug

Virtual entity does not appear in collections made visible in the Data Explorer

25.1.33

Bug

Recent and Saved queries not working

25.1.33

Bug

Filtering all Relseries custom sources after selecting a relationship or using the search bar

25.1.36

Bug

Relative cell referencing for report formatting not working

25.1.37

Bug

FTP wait and upload component not finding / uploading file

25.1.38

Bug

Database name is not included from the (i)nformation tab

25.1.40

Bug

Relationship queries without date parameters throw exception

25.1.43

Bug

Cases where Qx. conversion do not apply as expected

25.1.45

Bug

TimeSeries Array DataType points do not update values if values are all the same

25.1.45

Bug

[Relationship].[RelationshipLoad] proc slow

25.1.47

Bug

SetAbsolute for callback on stylesheet starts one offset higher

25.1.47

Bug

Passing an array to a schedule callback does not work in a specific instance

25.1.47

Bug

ReverseRelationship, Hierarchy and ReverseHierarchy queries without date parameters throw exception

25.1.47

Bug

Selector sources not working

25.1.48

Bug

Duplicate key value error thrown when uploading Relationship

25.1.48

Bug

RelSeries query not returning data if there’s an offset.

25.1.49

Bug

Logs do not populate in studio when executed from outside Studio

25.1.49

Bug

Column not lining up with csv headers for feed

25.1.49

Bug

ReportAsync() header parameter option

25.1.51

Bug

Open Excel workbook in a new instance defects (2 cases)

25.1.51

Bug

Certain Quintessence functions do not contain Qx. options

25.1.51

Bug

TrueFalse parameter in Reports display as Text parameter

25.1.52

Bug

Debug Tree ‘calculation successful’ output even when exception is thrown

25.1.55

Bug

Debug Tree results performance not on par with results returned in the equation editor: Version 2

25.1.57

Bug

Remote custom sources throw object referrence exception

25.1.57

Bug

Debug Tree Snags

25.1.58

Bug

Function debugger throwing an unexpected error when no implicit default can be chosen

25.1.58

Bug

Snapshot points with frequency other than ‘P’ executes a proc that returns all points

25.1.58

Bug

Processing time does not stop when an error occurs in the Quintessence editor

25.1.58

Bug

Opening two ‘Assign Variables’ components from two different task will cause an exception

25.1.59

Bug

TimeSeries factor used for RelationshipSeries wrapped in single quotes when copied from artifact

25.1.59

Bug

Help file not opening from Excel for utility functions

25.1.60

Bug

Function debugger throws error when a result with more then 1000 entries are returned

25.1.60

Bug

Result node right at the top in Function debugger not displaying results

25.1.60

Bug

Mini nodes on function debugger does not condense DataFunction nodes to pill form

25.1.60

Bug

Exception thrown by Function debugger when requesting all codes with a specific code type or collections via Relationship()

25.1.60

Bug

Recursive reports only return all nodes intermittently

25.1.60

Bug

No null source node drawn for a Relationship call not hitting any context

25.1.60

Bug

Function debugger dark mode nodes do not line up with spec provided

25.1.60

Bug

Node type mismatch for simple sources between node on tree and legend

25.1.61

Bug

Not responding to search input when interupted

25.1.62

Bug

Function debugger throwing error for cache nodes

25.1.62

Bug

Function debugger does not return results if there are less then 1000 records

25.1.62

Bug

Utility functions delayed by connection to engine

25.1.65

Bug

Exception thrown when an Entity is selected with factor but is not part of the context

25.1.66

Bug

Unable to search codes in Data Explorer when string contains “:”

25.1.66

Bug

Function debugger throwing error for report and custom function cached nodes

25.1.66

Bug

Data Warehouse Nodes with less than 1000 nodes display that more than 1000 results are present

25.1.66

Bug

In Debug tree, it doesn’t populate parameters when Custom Source with errors is launched from node.

25.1.66

Bug

Debug tree collapses when viewing results

25.1.66

Bug

Qx. conversion not applied as expected

25.1.66

Bug

Error occurrence and error node in Function Debugger not clear under Mini Nodes

25.1.66

Bug

Function Debugger not drawing tree when throwing an unexpected error

25.1.66

Bug

Unable see or create new authors in the Author screen

25.1.66

Bug

Qx. conversion ask user to convert twice for xlsm workbooks

25.1.66

Bug

Unable to load TimeSeries or RelationshipSeries data with a new attribute via feed

25.1.66

Bug

When there is a bug in your code, studio throws an alert exception

25.1.73

Bug

Information in Excel clipboard dropped when Quintessence function recalculates

25.1.73

Bug

Report in Excel not populating under Quintessence (@) population

25.1.73

Bug

RelationshipSeries Complex Simple Source data does not display in Entity Browser

25.1.73

Bug

Recalculate with Debug does not show errors in Formatted Reports

25.1.76

Bug

Exporting queries using Webrequest populate API key as the service account users API key, not the current logged in user’s

25.1.78

Bug

Utility functions not appearing in dropdown in IronPython editor

25.1.80

Bug

Studio hang when attempting to open certain screens

25.1.80

Bug

RelationshipSeries calls with offsets bypass Quintessence security

25.1.81

Bug

When opening an artifact like report, the audit log creates more permission checks than expected

25.1.81

Bug

ReportAsync() updates unexpectedly clears copy and paste outside of Excel

25.1.81

Bug

=@ReportAsync() taking in a #NAME? parameter causes endless calculation and population

25.1.81

Bug

Using =@Sparse() together with Queries & Connections cause endless updating loop

25.1.81

Bug

Python Editor throws error on execution

25.1.82

Bug

Data Explorer under port 443 is not returning the users name on the landing page

25.1.84

Bug

Workbook going through 100 iterations

25.1.85

Bug

RemotePath vs RemoteFile in FTP components

25.1.86

Bug

Library version conflict reported when running a task

25.1.86

Bug

Importing formulas from Excel workbook into Quintessence greys out report

25.1.87

Bug

Ability to still write to Characteristics and Lists via datafeeds even when there is a rule to stop you

25.1.89

Bug

Cannot create multiple Compound Entities

25.1.92

Bug

Data load Performance

25.1.94

Bug

Column not working in DataFeed

25.1.94

Bug

An error caused by uploading compound entities concurrently

25.1.94

Bug

Case sensitivity between Kseries and Vk

25.1.94