Released: Mar 18, 2026

V28.1 での更新項目

機能

DITA Editing

• Edit DITA Change History using Form Controls - You can now use inline actions and form controls in the DITA prolog section to quickly add, edit, or delete change history entries, including setting completion dates and updating revision details, so you can keep audit trails accurate.

DITA Publishing

• Character-Level Fallback Fonts - For DITA to PDF publishing, you can now use the new enable.character.level.font.fallback parameter to enable character-level font fallbacks so that mixed-language content (for example, Latin and non-Latin) is rendered correctly in the same document.

S1000D

• Editing and Validation - You can now edit S1000D documents with schema-guided editing, content completion, and validation support: XML Schema-based validation, and currently BREX-based validation through conversion to Schematron.
• Visual Editing and Actions - You can now visually edit S1000D documents in the Author page and switch between full-width, print preview, or large-font styles. Use dedicated actions to insert and edit tables, lists, and text styling.
• New File Templates - You can now create new S1000D data modules or publication modules for issues 4.0, 4.1, and 4.2 using the provided file templates.
• BREX Editing and Transformation - You can now edit BREX modules in the Text or Author page with content completion and validation support. You can also convert BREX modules to Schematron using the provided transformation scenario.
• Documentation for S1000D Elements and Attributes - You can now view documentation for S1000D elements and attributes directly in the content completion window and in the Attributes view.
• Smart Paste for S1000D Documents - You can now paste content from web browsers or Word documents into S1000D documents while preserving structure and formatting.
• CGM Add-on Update - The CGM add-on that adds support for rendering CGM images in the Author visual editor has been updated to use the latest jcgm version 2.0.5 library.

File/Directory Comparison

• Control Comment Callout Width and Visibility - You can now choose the width used for rendering comment callouts using the new Comment callout width option in the File Comparison Appearance preferences page, so you can better control how much space they take in the comparison view. You can also toggle displaying comment callouts when comparing files in Author mode using the Show comment callouts toolbar button.
• Timestamps and User Information in Comparison Reports - Your comparison reports now include metadata about who ran the comparison, when it was run, and how long it took. This helps you track and audit comparison activity over time. For HTML reports, this information is also displayed in the browser in a collapsible section.

Add-on Updates

• Git Client - Version 5.6.0 of the Git Client has been released with the following updates:
  • Multiple worktrees are now supported, allowing you to manage several branches simultaneously without the hassle of stashing changes or performing a fresh clone.
  • A new Explain commit action is available (when right-clicking commits in the Git History view) that utilizes AI Positron to explain the changes from the selected commits.
  • Actions have been added to quickly open the working copy folder in your system's file manager or terminal.
  • New actions are now available in the Git Branch Manager to show the head of a selected branch in the Git History or to track a remote branch from a local one.
  • The performance of the Git Client has been significantly improved when working without access to the remote repository.
  • Various other improvements, component updates, and bug fixes have been implemented.
  • The minimum required version of Oxygen has been updated to 27.1.

API Additions

• Retrieve Line/Column for Offset in Author Mode - The new WSTextBasedEditorPage.getColumnOfOffset and WSTextBasedEditorPage.getLineOfOffset APIs allow you to retrieve the corresponding line and column information for a caret offset location in the Author visual editor mode.

Accessibility

• Support for VPAT 2.5 - Oxygen has been evaluated against the latest VPAT 2.5 accessibility guidelines.

Component Updates

• The version of OpenJDK that is bundled with the installation kits for providing the Java Runtime Environment has been updated to version 21.0.10 from Eclipse Adoptium.
• Updated the Jackson JSON libraries that are used by the Oxygen core to version 2.20.1.
• The publishing engine has been updated to integrate DITA-OT 4.4.
• The Oxygen plugins for Eclipse have been updated to fully support Eclipse versions 4.38 and 4.39.
• XML Calabash 3.0.38 has been integrated into Oxygen to offer support for validating and transforming XProc scripts.
• The TEI XML schemas have been updated to version 4.11.
• The TEI XSLT Stylesheets have been updated to version 7.60.0.

Scripting

• Provide Options for Directory/File Comparison Scripts via a Configuration File - The directory/file comparison scripts can now read arguments from an XML, JSON, or YAML configuration file.
• Timestamps and User Information in Comparison Reports - Your comparison reports now include metadata about who ran the comparison, when it was run, and how long it took. This helps you track and audit comparison activity over time. For HTML reports, this information is also displayed in the browser in a collapsible section.