pypi / mt-940

mt-940

What changed in mt-940 5, from its official release notes, upgrade guides and advisories. Sources checked 2026-10-29.

1 breaking11 new APIs and options2 tooling14 fixes and other

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mt-940 528 changes

parse() and parse_statements() no longer pass options=None to a Transactions subclass with the 5.0.0 constructor.
5.1.1release notes

Enables ?31 to be parsed into its own field again; the parsing fix is opt-in.
5.1.0release notes
Enables case-insensitive mark parsing; the parsing fix is opt-in.
5.1.0release notes
Enables the floor-limit blank-mark parsing fix; it is opt-in.
5.1.0release notes
Enables the GVC leading-text parsing fix; it is opt-in.
5.1.0release notes
Prevents a structured :86: from nulling the :61: customer reference; the parsing fix is opt-in.
5.1.0release notes
Enables parsing of non-SWIFT free text; the parsing fix is opt-in.
5.1.0release notes
Makes RC negative; the parsing fix is opt-in.
5.1.0release notes
Enables BOM stripping; the parsing fix is opt-in.
5.1.0release notes
Reads :13D: offsets as hours and minutes; the parsing fix is opt-in.
5.1.0release notes
Removes the 585-character cap on :86:; the parsing fix is opt-in.
5.1.0release notes
Switches on all parsing fixes that are otherwise opt-in through mt940.Options.
5.1.0release notes

The source archive now includes the test suite, examples, documentation sources, and tool configuration, so tests can run from an sdist.
5.1.3release notes
The build requirement now allows every uv_build release from 0.11.0 up to, but not including, 1.0, letting packagers and python -m build users build with newer uv releases.
5.1.3release notes

One-shot transaction_boundary iterables are now applied to every statement, not just the first.
5.1.1release notes
Pickles written by 4.x now restore transaction_boundary, allowing parsing to work again.
5.1.1release notes
A subclass's own pattern retains its full capture instead of being cut back to the 585-character cap.
5.1.1release notes
Parsing no longer crashes when :13: has no offset or a negative offset.
5.1.0release notes
Parsing no longer crashes when :13D: has no offset or a negative offset.
5.1.0release notes
Two structured :86: tags on one :61: no longer crash with None += str.
5.1.0release notes
Amount instances are hashable.
5.1.0release notes
Balance instances are hashable.
5.1.0release notes
Free-form lines in :NS: values no longer abort parsing with re.error.
5.1.0release notes
Accepts file descriptors as sources again, raises TypeError for unsupported sources, and raises FileNotFoundError for missing path-like sources.
5.1.0release notes
Python 3.14 is supported.
5.1.0release notes
SumAmount instances are hashable.
5.1.0release notes
Raises the documented RuntimeError for unmatched values instead of re.error.
5.1.0release notes
Returns None rather than raising when a balance has no amount.
5.1.0release notes