JSignPdf 3.0 released — major update with new UI, packaging, and website

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Josef Cacek

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May 8, 2026, 5:04:31 AMMay 8

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Hi all,

I’m happy to announce that JSignPdf 3.0.0 has been released, followed
shortly by 3.0.1 which fixes a broken Linux Flatpak build (the 3.0.0
release pipeline failed to publish the Flatpak bundle).

This is a major update — both for the application and the project itself.
There is also a brand-new website: https://jsignpdf.eu/

Highlights of 3.0.0

New JavaFX desktop UI — document-centric experience with PDF
preview, drag-to-place visible signatures, zoom/page navigation,
drag-and-drop, and a collapsible options panel. The legacy Swing UI is
still available via -Djsignpdf.swing=true.
New Windows installers built with jpackage (EXE, MSI, and a
portable ZIP with bundled JRE), replacing the old InnoSetup toolchain.
32-bit Windows is no longer supported; users
on 32-bit or on Linux/macOS can still use the cross-platform
jsignpdf-<VERSION>.zip with their own JRE.
New Linux Flatpak bundle — single-file
JSignPdf-<VERSION>-linux-x86_64.flatpak with a bundled OpenJDK 21,
desktop entry, and icon.
Java 21 is now the minimum runtime. The jpackage installers and
Flatpak ship their own runtime; users of the cross-platform ZIP need
a Java 21+ JRE on PATH.
Named signature-setting presets (#360) — save signing
configurations under custom names and switch between them from a
toolbar combo or the new Presets menu. Passwords are captured
(machine-local encrypted) only when Store passwords is enabled;
disable it before sharing a preset file.
Configuration moved to XDG-aware locations
($XDG_CONFIG_HOME/jsignpdf/, %APPDATA%\JSignPdf\,
~/Library/Application Support/JSignPdf/). Existing ~/.JSignPdf
settings migrate automatically. The install-dir conf/ is gone —
edit advanced settings via File > Preferences…; PKCS#11 config
is read from <config-dir>/pkcs11.cfg. Override the location with
JSIGNPDF_CONFIG_DIR.

Other notable changes

Read passwords from stdin (#7). Pass - for any of -ksp, -kp,
-opwd, -upwd, -tscp, -tsp (opt in with
--enable-stdin-passwords) to avoid leaking secrets via
/proc/<pid>/cmdline or shell history.
Append signature and Store passwords now default to checked on
fresh installs.
“Reset Settings” action added to the JavaFX UI.
Translation bundles are now UTF-8; many language updates from Weblate
contributors.
PDF engine migrated to OpenPDF 3 (org.openpdf.text.*), PDFBox
updated to 3.0.7, BouncyCastle to 1.84.
Improved symlink handling incl. macOS (#168); integration tests for
the signing pipeline (#293); publishing moved to Maven Central.

What’s in 3.0.1

Fixed the Linux Flatpak build, which referenced the removed conf/
directory and broke during the 3.0.0 release.

JSignPdf 3.0 released — major update with new UI, packaging, and website

Josef Cacek

Highlights of 3.0.0

Other notable changes

What’s in 3.0.1

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