Version 12.0.1 Changelog (2026-07-20)
WebViewer Core
The WebViewer Core changelog covers low-level API, engine, and infrastructure changes that power the Web SDK.
Fixes
DOCX Editor
Fixed rendering issue in specific scenarios after replacing selected text.
Spreadsheet Editor
Fixed an issue where undoing or redoing a cell value that was referenced in a formula would not update dependent charts correctly.
WebViewer UI
The WebViewer UI changelog covers user interface, customization, and workflow enhancements available through the Web SDK.
Fixes
Multi-instance
Fixed several issues where multiple WebComponent instances on the same page could interfere with each other, including cross-instance React reconciliation crashes on dispose/re-render,
UI.dispose()corrupting other instances or clearing more of the UI than intended,UI.setTheme()toggling the wrong instance's theme, and theOpen filepicker loading a document into the wrong instance.Fixed a crash that occurred when clicking an annotation in the Notes panel of one WebViewer instance while another instance was also mounted on the same page.
Last updated
Was this helpful?