Stirling PDF

In this update, we have drastically improved Stirling PDFs memory usage and startup performance in our testing you should see around a 30% reduction in both idle usage and startup speed We have also dramatically reduced the filesize of the docker by 30-40%

Breaking updates: No longer supporting JDK 17, we have moved to JDK 21-25 and are recommending all jar installs to upgrade to JDK 25 for best performance

Other updates

• Desktop now supports running non installed tools by optionally connecting to Stirling cloud server IF a user chooses to and is already running via login to cloud
• Several dependencies have been updated
• Security patches

Bug fixes

• Health check failing under certain auth scenarios
• Crop not working for desktop

What’s Changed

Enhancements

• feat(docker): update base images to Java 25, Spring 4, Jackson 3, Gradle 9 and optimize JVM options (Project Lilliput) by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5725
• feat(annotation): add moveAnnotation API for efficient repositioning of annotations, and bump embed to 2.7.0 by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5809
• feat(conversion): switch PDF input engine to pdftohtml for improved performance and reduced dependencies by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5820
• feat(aot): add aot-diagnostics.sh for AOT cache diagnostics and validation by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5848

Minor Enhancements

• Update frontend minor package versions by @jbrunton96 in https://github.com/Stirling-Tools/Stirling-PDF/pull/5787
• Sync up Tauri versions by @jbrunton96 in https://github.com/Stirling-Tools/Stirling-PDF/pull/5789
• zip and response issues by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5786
• Change to use dpdm for circular import scanning by @jbrunton96 in https://github.com/Stirling-Tools/Stirling-PDF/pull/5788
• Cachefixing test by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5793
• Desktop connection SaaS: config, billing, team support by @ConnorYoh in https://github.com/Stirling-Tools/Stirling-PDF/pull/5768
• Switch to use ESLint 10 by @jbrunton96 in https://github.com/Stirling-Tools/Stirling-PDF/pull/5794
• cleanups by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5795
• DocumentBuilderFactory limiting by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5797
• lint by @reecebrowne in https://github.com/Stirling-Tools/Stirling-PDF/pull/5802
• Harden shared signature endpoints by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5806
• open-saml bumps by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5805
• fix split cuased by defaultParameters breaking dynamic endpoint tools by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5838
• hardening by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5807
• Fix health status checks falling under mettric flag by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5821
• Frontend and Desktop audit fixes by @ConnorYoh in https://github.com/Stirling-Tools/Stirling-PDF/pull/5840
• refactor(merge,split,json): adopt streaming approach and standardize types, address gradle warnings by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5803
• fallback for /api/v1/config/endpoints-availability by @ConnorYoh in https://github.com/Stirling-Tools/Stirling-PDF/pull/5842
• Add check for ghostscript before plowing on with removeDataOutsideCrop by @ConnorYoh in https://github.com/Stirling-Tools/Stirling-PDF/pull/5845
• Fix split tooltips by @reecebrowne in https://github.com/Stirling-Tools/Stirling-PDF/pull/5847

Docker Updates

• disable other dockers by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5792
• docker cache fix by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5801
• [Aikido] AI Fix for 3rd party Github Actions should be pinned by @aikido-autofix[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5817
• fix(aot): use Spring Boot exploded layer format for aot cache by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5811
• [StepSecurity] Apply security best practices by @step-security-bot in https://github.com/Stirling-Tools/Stirling-PDF/pull/5830
• tauri jdk25 and docs by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5814

Development Tools

• build(deps): bump ajv from 8.17.1 to 8.18.0 in /devTools in the npm_and_yarn group across 1 directory by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5774
• build(deps-dev): bump stylelint from 16.26.1 to 17.4.0 in /devTools by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5822

Other Changes

• build(deps-dev): bump pillow from 12.1.0 to 12.1.1 in /.github/scripts in the pip group across 1 directory by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5720
• build(deps): bump pillow from 12.1.0 to 12.1.1 in /testing/cucumber in the pip group across 1 directory by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5719
• deps by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5796
• chore(deps): update dependencies for security by @balazs-szucs in https://github.com/Stirling-Tools/Stirling-PDF/pull/5813
• ci: provide default desktop env vars in tauri GitHub Actions builds by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5815
• skip certs by @Frooodle in https://github.com/Stirling-Tools/Stirling-PDF/pull/5819
• build(deps): bump pypdf from 6.6.2 to 6.7.4 in /testing/cucumber by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5825
• build(deps): bump github/codeql-action from 4.31.10 to 4.32.4 by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5833
• build(deps): bump actions/ai-inference from 2.0.5 to 2.0.7 by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5831
• build(deps): bump com.sun.xml.bind:jaxb-core from 2.3.0.1 to 4.0.6 by @dependabot[bot] in https://github.com/Stirling-Tools/Stirling-PDF/pull/5365

New Contributors

• @aikido-autofix[bot] made their first contribution in https://github.com/Stirling-Tools/Stirling-PDF/pull/5817

Full Changelog: https://github.com/Stirling-Tools/Stirling-PDF/compare/v2.5.3…v2.6.0