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SigmafineHub v3.2.1 - Patch Release Notes

Release Date: May 2026
Product: SigmafineHub (SFHub)
Release Type: Patch Release

Overview​

This patch release delivers targeted fixes across the Visualizer, Authoring, and Studio components of SigmafineHub, addressing stability, data accuracy, permissions, and usability issues reported in production environments. Several Business Critical and High priority issues have been resolved in this release, including concurrent-user loading failures, transfer rendering problems, and model synchronization errors.

Bug Fixes​

Visualizer​

  • SFFH-1997 - Transfer Search Date Mismatch: Resolved an issue where the Transfer Search within a case context was displaying incorrect dates.
  • SFFH-2440 - "You Do Not Have Access to This Display" Error: Fixed a false access-denied error that prevented users from opening displays they were authorized to view.
  • SFFH-2477 - "Display Not in Sync with the Model" Error: Resolved an intermittent error causing displays to report being out of sync with the underlying model, preventing users from working normally.
  • SFFH-2569 - Concurrent User Actions Cause Loading Delays and Missing Transfer Rendering (Business Critical): Fixed a race condition where simultaneous user actions on shared displays caused significant loading delays and incomplete transfer rendering.
  • SFFH-2570 - Request Aborted / Parameters Error (Wfk Value: undefined): Resolved a 400-level error caused by undefined workflow key values being passed during transfer requests.
  • SFFH-2792 - Display Export Limited to Non-Versioned Models (Business Critical): Fixed an issue where the Display Export function only worked correctly for displays bound to non-versioned models. Export now works across all model types.
  • SFFH-2827 - Transfer Manager Edit Shows Empty Attribute List (Business Critical): Resolved an issue in the Transfer Manager where editing a transfer showed an empty attribute list, preventing users from making changes.
  • SFFH-2831 - Transfer Start/End Dates Not Respecting User Timezone: Fixed a back-end issue where Transfer Start and End dates were not being converted according to the timezone defined in each user's settings.
  • SFFH-2836 - Undo "Transfer Manager" for Case Context: Restored the intended behavior of the Transfer Manager undo action within a case context.
  • SFFH-2854 - Collect Inputs on Main Display Misses Sub-Model Adjustments (Business Critical): Fixed a critical issue where the "Collect Inputs" action on a main display failed to gather adjustment values from associated sub-models.
  • SFFH-3120 - Create Transfer from Tooltip Not Working as Expected: Resolved an issue where using the tooltip shortcut to create a new transfer did not function correctly.
  • SFFH-3246 - Transfer Search Date Filter Returning Too Many Results: Fixed the Start/End Date filter in the Transfer Search so that it correctly constrains results to the specified date range instead of returning transfers outside the filter window.

Authoring​

  • SFFH-1940 - Rename Element Does Not Update Display Annotation: Fixed a regression where renaming an element in the Authoring module did not update the corresponding annotation on the display.
  • SFFH-2170 - PI AF Event Frames Require Manual Refresh Before SFHub Reflects Updates: Resolved an issue where SFHub did not automatically reflect published spreadsheet changes in PI AF event frames, requiring users to manually trigger a refresh.
  • SFFH-2644 - Fake/Replicated Node Names Not Converting Correctly from ProcessBook: Fixed an issue where replicated or fake node names imported from OSIsoft ProcessBook were not converting correctly within SigmaFine Hub.
  • SFFH-2768 - AF Model Not Checked-In After First Publish: Resolved a regression where the AF model was not properly checked in following its initial publish operation, leaving it in an inconsistent state.

Studio​

  • SFFH-2764 - Users Can Execute Analytics Without Execute Permissions: Fixed a regression where Studio allowed users to run analytics even when they did not have the required execute permissions assigned.
  • SFFH-2849 - "Share" Menu Entry Visible Without Sharing Rights: Resolved an issue where the Share option in the analytic menu was enabled and visible for users who did not have the rights to share, creating a misleading UI state.
  • SFFH-2857 - Get Attribute Value with UOM Operator Returns Unconverted Value: Fixed a bug in Studio Expressions where using the "Get Attribute Value" function with a Unit of Measure (UOM) operator returned the raw value instead of the unit-converted result.

Authentication & Server Registration​

  • SFFH-2581 - Server Not Registered / License Cannot Be Bound (SFHub 3.1): Resolved a critical server registration issue where SFHub was not correctly adding server entries to the dbo.SFHubServer SQL table, preventing license binding and leaving the server in an unregistered state.
  • SFFH-2848 - Users Unable to Login: Investigated and resolved an environment-specific login failure preventing users from authenticating into SFHub.
  • SFFH-3109 - Protocol Violation / Missed Socket Service Error on Login (SFHub 3.2): Resolved a protocol violation and invalid header error that occurred during authentication, causing login failures with a "Missed socket service" error.

Case Management​

  • SFFH-2733 - SFHub Errors on FLARE 1 Model: Resolved a set of errors encountered specifically when working with the FLARE 1 model in SFHub.
  • SFFH-2833 - Duplicate Cases Being Created: Fixed an issue where the case creation workflow was generating duplicate case entries under certain conditions.
  • SFFH-2858 - Negative DX0 Index Values in AP_PP Model Causing Retroactive Impact on Re-run Cases (Business Critical): Resolved a critical data integrity issue where negative DX0 index values were being generated in the AP_PP model, causing incorrect results when re-running historical cases across all affected users.

Excel Add-in​

  • SFFH-3128 - Transfers Retrieval Formula Extremely Slow on Main Model (~1 hour) (Business Critical): Significantly improved performance of the Transfers Retrieval formula in the Sigmafine Excel Add-in. The formula, which was previously taking approximately one hour to complete on large main models, has been substantially optimized.

New Features & Enhancements​

  • SFFH-2844 - Full-Screen ADA Table: The ADA Table now supports a full-screen display mode, improving accessibility and usability for users working with large data sets.

For installation instructions and upgrade guidance, please refer to the SigmafineHub v3.2 Deployment Guide.

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