Changelog
Product updates and release notes for LitSource.
2026-03
PubMed Search Assistant Lite (Chrome Extension)
- Launched the Chrome extension: PubMed Search Assistant Lite, now integrated with LitSource.
- Added PubMed query generation with direct in-page query viewing.
- Added journal impact factor lookup to support faster paper screening.
- Added query export for easier strategy sharing and reproducibility.
- Added batch export for papers and query spreadsheets.
2026-02
LitSource Verify
- Launched
LitSource Verifyat/verifyfor reference authenticity checks. - Added detection/classification pipeline:
Verified / Suspicious / Fakewith DOI + Crossref metadata matching. - Added credit-based billing for verify runs (shared credit pool, no separate quota plan).
- Improved multi-reference parsing for pasted content (supports inline numbered references like
1) ... 2) ...). - Added paste format example block to guide first-time users.
- Tuned title-match thresholds to reduce false
Suspiciouscases when Crossref match quality is high. - Added
Suggested citationoutput with one-click copy. - Added citation style selector in Verify results:
APA,MLA,Chicago,BibTeX,Vancouver,IEEE,Harvard,GB/T 7714.
Sharing
- Added one-click share links for analysis results.
- Added token-based shared result pages with expiration support.
- Shared visitors can view evidence without login, while AI summary and personal actions remain login-gated.
Paper Access
- Added original PDF open/download flow when a source PDF is available.
AI Summary
- AI paper summaries now consume credits and return clearer error messages when credits are insufficient.
Payments
- Fixed checkout callback origin resolution to use configured app URL (avoids localhost callback issues).
- Added admin reconciliation for pending Creem orders to sync paid/expired/canceled outcomes.
- Improved Creem status mapping to safely handle pending/expired/canceled/failed states.
Pricing
- Updated plan details (Pro monthly/yearly credits, AI summary capability, plugin-in-progress messaging).
- One-time package is now displayed as
One-Time, with clearer scope and naming consistency. One-Timenow includes Pro export entitlement during its validity window.
Localization
- Replaced native browser tooltips with site-styled tooltips.
- Localized results UI, history, filters, and paper cards.
- Expanded supported locales: Korean, Japanese, German, Spanish, Italian, Russian.
- Added locale normalization/fallback improvements and language-aware locale switch prompts.
SEO
- Added sitemap generation with multilingual alternates for core pages.
2026-01
Results experience
- Improved sentence display with original sentence + hover translation.
- Added caching for search runs and improved history replay.
