Release Notes June 2026


Arena Release Notes – June 2026

New Features

  • Track Changes Workflow Enhancements — Track changes settings are now saved at the document level. Track Changes controls remain visible in the toolbar regardless of toggle state.
  • Fact Management Enhancements — Bulk view/edit experience for facts with filtering support. Facts can now be displayed below section view for faster review. Show/hide controls added for ignored facts.
  • XBRL Editing Improvements — Resizable columns in XBRL item views with better defaults. Added per-column calculations with totals sorting, label selection, and validation guidance.
  • Editor Formatting Enhancements — Added smaller font size support with improved paragraph-level formatting and cursor-based editing behavior.
  • Comment Filtering — Filter comment threads by All, Assigned, or Hidden visibility states, with improved navigation between filtered threads.
  • Abstract Tagging Support — Added support for tagging abstract XBRL concepts.
  • Manual Fact Matching — Manually match and unmatch facts in Update From Previous workflows, with auto-scroll to selected facts and improved review of unmatched facts.
  • Recent Concept History — The tagging tray now displays your last five recently used concepts for faster tagging.
  • Fact Highlighting — Selecting a fact in the tagging tray highlights the corresponding fact, dimensions, and footnotes in the editor.
  • Anchor Cut & Paste Support — Cut and paste anchor tags while preventing duplicate anchor creation.
  • Conditional Date & Role Inputs — Start date, end date, and role inputs now respond intelligently based on concept period type requirements.
  • Tagging Tray Toolbar Improvements — Common tagging controls moved to the tray base for a more consistent experience.
  • Non-Financialized Table Parsing — Added support for parsing and tagging non-financialized table structures.

Improvements

  • Concept Search Experience — Enhanced hover information and wider search controls for improved usability.
  • Header & Footer Preview — Enhanced spacing, styling, and content rendering in header/footer sidebar previews.
  • Tagging Tray Usability — Improved layout, whitespace usage, and interaction consistency throughout tagging workflows.
  • Update From Previous — Improved section matching reliability by removing order-dependent behavior, with better loading and error state handling.
  • Comment Workflow Enhancements — Improved filtering navigation, visibility management, and read-only collaboration workflows.

Bug Fixes

  • Fixed table parser issues including missed columns, off-by-one errors, and note parser issues with comma-containing numbers.
  • Fixed duplicate Excel table ranges appearing in insert workflows.
  • Fixed issue requiring users to click a specific location before replying to a comment.
  • Fixed concept search so terms containing spaces work correctly.
  • Fixed editor crashes during save operations caused by detached content.
  • Fixed drag-and-drop, insertion, selection, and paste issues affecting zone marker workflows.
  • Fixed editor crashes during view changes and tagging tray updates.
  • Fixed cover page tagging sidebar infinite loading and co-registrant loading behavior.
  • Fixed exhibits disappearing by correctly handling removed content.
  • Fixed table parsing where columns were missed and statement parsing removed formatting unintentionally.

Proof Generation – June 2026

New Features

  • Comments in Proofs — Added the ability to include comments in the Create Proof modal. Comments now carry into generated Word proofs to preserve reviewer context and collaboration history.
  • Enhanced Comparison Proofs — Font and formatting changes are now visible in comparison proofs. Landscape proofs correctly align selected pages with visible page numbering.
  • Track Changes in Proofs — Arena track changes now display directly in generated proofs.

Improvements

  • Proof Accuracy & Formatting — Improved handling of page breaks, page borders, formatting visibility, and landscape page alignment for more consistent proof output.

Bug Fixes

  • Fixed landscape proof page selection so visible page numbering matches generated proof output.

ThunderDome® Release Notes – June 2026

New Features

  • Filing Entity Modernization — Refactored filing entity workflows with improved forms, workflow organization, and architecture to support future expansion.
  • FERC Filing Workflow Support — Added a dedicated FERC filing entity tab and expanded filing configuration support for FERC projects.
  • Arena Rebrand — Completed transition from “Lightning Editor” to “Arena” across Portal workflows and UI.
  • Workflow Improvements — Restored “Skip for Now” support for onboarding and interrupted workflow experiences.

Improvements

  • Project Copy Reliability — Improved project copy workflows to preserve source and destination file relationships during duplication.
  • Arena File & Image Workflows — Improved image handling and document population, including correct file naming, collaboration state clearing, improved image resolution, and standardized Eastern Time date handling.
  • Operational Visibility — Added enhanced filing failure logging for improved troubleshooting and production diagnostics.

Bug Fixes

  • Fixed project creation failures and improved initialization reliability.
  • Fixed project copy issue where destination files were not copied correctly.
  • Fixed image date handling inconsistencies and improved image detection logic.