npm / @e-invoice-eu/core

@e-invoice-eu/core

What changed in @e-invoice-eu/core 2 to 3, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-25.

5 breaking1 security5 new APIs and options4 behavior and defaults1 tooling18 fixes and other

See which of these apply to your code, ranked, in your agent:

npx @unstale/cli init

@e-invoice-eu/core 332 changes

The software now uses cbc:CompanyLegalForm instead of cbc:LegalForm.
3.2.0release notes
Amount elements no longer include @currencyID, which is forbidden by CII-DT-031.
3.0.2release notes
ReceivableSpecifiedTradeAccountingAccount is now placed inside ApplicableHeaderTradeSettlement.
3.0.2release notes
A global ID is downgraded when no scheme is present.
3.0.1release notes
The invoice interface has a breaking change; code referencing its types directly may need changes.
3.0.0release notes

The library allows overriding invoice metadata; this experimental feature may be removed in the next major release.
3.4.0release notes
CII Extensions are supported for invoice note subject codes (BT-21) through this special element.
3.2.0release notes
Base64 padding is optional.
3.1.1release notes
Adds the UnitPriceAmount type for BT-146, BT-147, and BT-148.
3.1.0release notes
Adds a postprocessor option to modify invoice data before XML is rendered.
3.0.3release notes

Top-level cbc:Note can now be a single string value or an array of strings.
3.4.2release notes
Top-level x-cii:SubjectCode can now be a single string value or an array of strings.
3.4.2release notes
Uses the new tag schema.
3.3.0release notes
VAT date codes are automatically converted between UBL UNCL 2005 and CII UNCL 2445 according to the selected invoice format.
3.2.0release notes

Top-level cbc:Note elements are now nested correctly in CII output.
3.4.2release notes
The embedded colour profile now includes the number of components, fixing PDF/A output intent.
3.4.1release notes
Updates the base64 regex.
3.3.0release notes
Updates BT 21 to the specification.
3.3.0release notes
Reads cbccompanylegalform instead of cbclegalform so BT 33 is not silently dropped.
3.3.0release notes
Emits CII due date type code from cac:InvoicePeriod/cbc:DescriptionCode.
3.3.0release notes
Fixes the missing Creditor Reference ID.
3.3.0release notes
Preserves property order when downgrading ram:GlobalID to ram:ID.
3.3.0release notes
Reports the correct version.
3.3.0release notes
Invoice period description codes are now mapped to CII.
3.2.0release notes
Downgrading ram:GlobalID to ram:ID now preserves the correct ID.
3.2.0release notes
Seller party identifications are mapped to CII.
3.0.3release notes
The CII mapping for the payee identifier is fixed.
3.0.2release notes
Fixes mapping of cac:BillingReference to CII.
3.0.0release notes
Fixes CII price handling.
3.0.0release notes
Invalid tags are avoided.
2.3.4, 3.0.0release notes release notes
Fixes XMP metadata encoding.
3.0.0release notes
Fixes invalid elements in XRechnung CII classcode and specifiedlinetradeagreement.
2.3.4, 3.0.0release notes release notes