Release notes

Changelog

2.6.10 -

  • Current recommended public release for Windows 10 and Windows 11.
  • No app feature changes from 2.6.9.

2.6.9

  • Improved updates so existing installs are replaced more cleanly.
  • Explorer thumbnails are refreshed during setup, so new previews appear sooner after installing.
  • Clears the EMPF thumbnail cache during installation to avoid stale previews.
  • Restarts Explorer after setup when needed so Windows can request fresh thumbnails.

2.6.8

  • Improved render quality for the viewer and PNG export.
  • Balanced Seer previews for fast loading with clear detail.
  • Made Explorer thumbnail generation lighter so folders stay responsive.
  • Added manual size control for HTML and PNG exports.
  • Improved default preview page selection for multi-page .empf projects.
  • Seer previews now open at 100% view by default.

2.6.2 - 2.6.7

  • Stabilized installed viewer behavior.
  • Improved Windows file association handling for .empf files.
  • Continued reliability work for Explorer thumbnails.
  • Improved Seer and HTML preview output quality.
  • Made repeated installs and updates more predictable.

2.6.1

  • Added local logs to help troubleshoot installs and previews.
  • Added a local thumbnail cache for faster repeat previews.
  • Added thumbnail render timeouts to keep Explorer responsive.
  • Improved uninstall cleanup for .empf file associations.

2.6.0

  • First full Windows installer for EMPF Preview.
  • Bundled the standalone viewer and Explorer thumbnails in one setup.
  • Improved Windows registration for Explorer thumbnail previews.

2.5

  • Continued work toward a single Windows installer for normal PCs.

2.4

  • Completed the Windows Explorer thumbnail component.
  • Added required graphics support for thumbnail generation.

2.3

  • Improved the Windows Explorer thumbnail integration.
  • Continued work toward reliable live thumbnails for .empf files.

2.1 - 2.2

  • Improved Windows path handling, including installs under Program Files.
  • Made the Windows thumbnail integration more reliable.

2.0

  • Added live .empf thumbnails in Windows Explorer.
  • Added a Windows installer for use on other PCs.
  • The installed app no longer requires Python or developer tools on the target PC.

1.3

  • Added .empf file association support.
  • Added a fixed Explorer icon for .empf files.

1.2

  • Added zoom controls in the viewer.
  • Added scrollbars and drag-to-pan navigation.
  • Added fit-to-window, 100% view and reset controls.
  • Added previous and next page navigation.
  • Added interactive HTML preview output for Seer.

1.1

  • Built the first standalone Windows viewer.
  • Improved startup behavior for local prototype builds.

1.0

  • Initial EMPF Preview prototype.
  • Opened local .empf files.
  • Extracted project preview information where available.
  • Added the first Seer preview plugin prototype.

Known limitation

  • Explorer thumbnails for files stored directly on OneDrive Desktop may depend on OneDrive Files On-Demand behavior. If thumbnails do not appear there, test with a normal local folder first.