[gscan2pdf-announce] scantpaper v4.0.4 released

[Jeff <jf...@po...>]

Changes compared to v4.0.3:

* Cancelling a PDF save now stops the save even when the pages have
   already been assembled: a cancel issued while the text layer is being
   embedded, the pages are being JBIG2-converted, or the PDF finalized no
   longer lets the save finish. The interrupted save is reported as
   cancelled rather than as an error, so the progress bar disappears
   without a spurious error dialog, and the document stays usable (a
   later save works normally).
* Cancelling a multi-page or multi-file import no longer shows an empty
   error dialog. An interrupted background job is now reported as
   cancelled rather than as an error, so cancelling an import leaves the
   pages imported before the cancel in the document.
* Words containing a typographic ligature, such as `ff`, stay searchable
   on every supported distribution. Ghostscript 10.06, shipped by Ubuntu
   26.04, dropped the multi-character `ToUnicode` mapping of a shaped
   ligature during the PDF/A conversion, so extracting the text lost the
   whole word. The invisible text layer is now rendered without ligature
   substitutions, so every character keeps its own mapping.
* Bilevel pages saved as Group 4 now keep that encoding on every
   supported distribution. Ghostscript 10.06, shipped by Ubuntu 26.04,
   rewrote 1-bit images as Flate during the PDF/A conversion even though
   scantpaper asked for lossless handling. The saved PDF is re-encoded as
   CCITT Group 4 after the text layer is embedded, including images that
   the converter inlined, so the encoding selected by **Automatic** or
   **G4** is preserved.
* Saving with **Downsample** now completes on every supported
   distribution. The Ubuntu builds of Pillow 12.1 and 12.3, shipped by
   26.04 and 26.10, carry a bad backport of an upstream Pillow commit
   which makes nearest-neighbour resampling fail, so bilevel and palette
   pages stopped the save with an error. The unpatched PyPI builds of the
   same versions are unaffected. Bilevel pages are now averaged and
   thresholded back to one bit, and palette pages are resampled in their
   true colours, so the save finishes and the output is the same on every
   series.
* Text fields now keep their standard editing shortcuts. When the text-
   layer editor has focus, `Ctrl+X`, `Ctrl+C`, `Ctrl+V`, `Ctrl+A`,
   `Ctrl+Z`, `Ctrl+Shift+Z`, `+` and `-` edit the text instead of acting
   on pages or zooming the image. Page and zoom shortcuts still work when
   focus is outside a text field, and the mouse wheel continues to zoom.
* Focusing a slice in the text or annotation editor now puts keyboard
   focus in its text control and selects the slice text. Pressing Delete
   therefore clears the OCR text instead of deleting the page, and typing
   replaces the selected text. Page deletion with Delete still works from
   the page list.
* Saving a scan profile works again. The GTK4 port built the profile
   naming dialog with a positional title, which GTK4 rejects, so the save
   button in the **Scan profiles** frame did nothing. Profiles can now be
   named, listed and reused across sessions.
* The scan profile buttons now show **Save**, **Edit** and **Delete**,
   and the icon-only buttons in the scan and preferences dialogs explain
   themselves with a tooltip and an accessible name. The buttons use
   symbolic icon names, so they render under Adwaita as well as desktop
   themes, and the Edit button no longer shows a broken-image
   placeholder.

Available on Github:

https://github.com/carygravel/scantpaper/releases/tag/v4.0.4

Or via the PPA:

https://launchpad.net/~jeffreyratcliffe/+archive/ubuntu/ppa