2026-06-11 Release

Changed

• Upgraded @wayback/core to improve performance when finding versions with local changes.
• Upgraded @arcgis/core to version 5 and migrated from deprecated ArcGIS widgets to the new ArcGIS map components.
• Removed the calcite-components-react wrapper and migrated to using calcite-components web components directly in React.
• Updated Updates Layer query logic to user predicable and deterministic timestamps for filtering instead of relying on 'CURRENT_TIMESTAMP' in the feature service, which can lead to unexpected results.
• Disable the Layers List while loading versions with local changes to prevent user from interacting with the layer list before the local changes are fully loaded, which could lead to confusion.

2026-04-28 Release (Patch 4)

Changed

• Enhanced the Export Tile Package Tool:
  • Improved metadata inclusion (Item Description, License, Attribution, Tags, and Thumbnail) for hosted tiled layer items.
  • Disabled the Extent Selection Tool for unauthenticated users and added a sign-in prompt.
• Fixes for the Updates mode: fixed the date filter logic for the World Imagery updates layer to improve the accuracy of pending updates.
• Map Scale Indicator Update: updated the component to display the actual scale and resolution based on the map center's latitude.

2026-04-28 Release (Patch 3)

Fixed

• refine date filter logic for world imagery updates layer to improve accuracy of published and pending updates

2026-04-28 Release (Patch 2)

Changed

• calculate actual scale and resolution based on map center latitude

2026-04-28 Release (Patch 1)

Changed

• Round zoom level to nearest integer in map center hash params
• Save selected versions to save as web map in session storage instead of URL hash params.
• Minor UI tweaks to mode control buttons

2026-04-28 Release

Added

• Added a screenshot capture tool.
• Added the Scale, Zoom Level, and Pixel Size indicator to the map.
• Added end-to-end tests for multiple features using Playwright.
• Added Dishui Lake, Shanghai to interesting places list.

Changed

• Enhanced the Export Tile Package mode:
  • Added support to save the wayback tile package as a hosted imagery layer in ArcGIS Online.
  • Added an extent selection tool to the map, allowing users to specify the area for tile package export.
  • Added a support to track the progress of tile package export jobs and display the status in the UI.
  • Replaced the dialog with a dedicated panel for export controls, offering greater flexibility and a better user experience.
  • Added a preview window showing example tile images at a given zoom level.
  • Improved status tracking logic to provide more accurate and granular updates for export jobs, giving users clearer feedback on progress.
  • Saved export job history to IndexedDB and displayed it in the panel, allowing users to track jobs and easily access exported tile packages.
• Enhanced the Save as a Web Map mode:
  • Added a list of selected versions in the Save as Web Map panel, allowing users to review and manage versions before saving.
  • Moved the Save as Web Map controls to a dedicated panel for a better user experience, also allowing users to adjust the web map extent using the map.
• Enhanced the Updates mode:
  • Combined the Status and Publication Date filters into a single filter with multiple options, making it easier to filter updates by different criteria.
  • Updated the Region filter to display normalized region names based on country and region codes, replacing inconsistent labels from the feature service.
  • Updated the style of the Updates layer to improve visibility in certain parts of the world.
• Reorganized the mode control buttons in the gutter for a cleaner, more consistent experience across different modes.
• Updated the About this App dialog.
• Moved strings from React components to i18next translation files for better internationalization support.
• Slightly increased the size of the wayback preview window for better visibility.
• Removed the Settings dialog and related code.
• Updated TypeScript to version 5.9.3 and updated its configuration.
• Updated @arcgis/core to version 4.34 and adjusted the CSS import path.
• Improved webpack configuration to better handle loading of environment variables and other app-specific settings; moved webpack-related code into a dedicated webpack directory for better organization.

2025-10-28 Release

Changed

• Enhanced the animation controls by adding the download and copy link buttons to the animation controls.
• Show reference layer in animation mode if it is turned on.
• Integrated the reference layer screenshot into output animation MP4 video.
• Updated the animation mode behavior to not automatically start playing when entering animation mode.

2025-10-06 Release

Added

• Added a User Profile dialog that allows signed-in users to view and manage their account details.
• Introduced an IndexedDBLogger to store log messages in IndexedDB for improved debugging and error tracking.

Changed

• Updated the App UI to always display the left-side gutter with action buttons, allowing users to easily switch modes and access the User Profile dialog.
• Optimized Updates Mode performance through improved data fetching and caching strategies.
• Enhanced the sign-in experience by providing sign-in links instead of automatically prompting users to sign in.
• Improved configuration management by loading settings from the .env file instead of hardcoding them in the source code.
• Migrated wayback-core to use the new @esri/wayback-core package, replacing the deprecated @vannizhang/wayback-core.
• Enhanced accessibility with ARIA labels, keyboard navigation support, and more semantic HTML elements.

Improved Animation Mode

New Features and Enhancements

• full screen animation mode
• export animation as MP4
• use wayback-core npm package

Added support for Wayback Export

Allows user to export wayback imagery as tile package for selected release and map extent.