Inverse 2.0.0 released

Inverse 2.0.0 is out. @sweberdev/inverse and @sweberdev/inverse-react are on npm under the MIT licence, and the Pro packages are at 2.0.0 on GitHub Packages for licence holders. Existing Pro subscriptions and lifetime licences cover 2.0; prices and licence are unchanged.

1.0 froze the API. 2.0 is the first major version, and it is small on purpose: it changes where the legal status lives and what a record carries, and it keeps the flow, the request bodies and the evidence chain as they were.

What is in 2.0

• Legal areas as an API. A jurisdiction option on the handler (de, at, ch, fr, it, es, nl, pl), an allow-list for shops that sell in several countries, and data-jurisdiction on the script-tag form. Every record now carries jurisdiction and legalCheckedOn, so an evidence sheet shows which state of the rules the texts followed on the day of receipt.
• Legal status per country. getLegalRevision("fr"), legalChangesSince(id, date) and npx inverse legal --jurisdiction fr --since 2026-10-01, which exits with 1 when something is newer, for a CI or cron job.
• Honest coverage. Germany and Austria are checked against the national provision. France, Italy, Spain, the Netherlands and Poland rest on Article 11a of Directive (EU) 2023/2673 only: the national acts were not read, and the translations were not reviewed by a lawyer or native speaker. Each entry says so. The cancellation button is claimed for Germany only.
• End-to-end test. The browser flow is tested against a real HTTP server, including CORS and validation.
• Node 22. Node 20 is out of support and no longer declared.

Breaking changes

• legalRevision is replaced by legalRevisions and getLegalRevision(id).
• DeclarationRecord has two new required fields, jurisdiction and legalCheckedOn.
• engines.node is >=22.

Upgrading

pnpm add @sweberdev/inverse@^2 @sweberdev/inverse-react@^2

Replace legalRevision if you use it, then run npx inverse legal and npx inverse check. The migration guide has the details. A ledger written by 1.x verifies unchanged in 2.x, and @1 script pins keep working. Version 1.x gets security and bug fixes for 12 months.

Docs: packages.sweber.dev/inverse/docs. The demo has a country selector now.

Inverse Pro 2.0.0

• Case management. Every declaration is a case with a status (open, processing, refunded, rejected, closed), a refund date for withdrawals, an overdue flag and a history written into the hash chain. A refund needs an amount. inverse-ledger cases and inverse-ledger case on the command line.
• Ledger format field and migrate. New entries carry v: 2. The field is not part of the hash, so no hash changes and nothing old is rewritten. inverse-ledger migrate upgrades the storage of an old SQL table, verifies the chain before and after and refuses if the head hash would change.
• Lemon Squeezy. cancelSubscription ends a subscription at Lemon Squeezy at the end of the billing period, next to Stripe and Paddle. Like the other two it is tested against recorded requests, not against a live provider account, and the docs say so.

Inverse is software, not legal advice. Inverse Pro is available on the package page, from CHF 19 a month.