2026.03.0

Added

• Added bank registry for Moldova (MD) with 10 commercial banks @Mihaileahu17
• Extended bank registries for Great Britain, Spain and Romania @soronprfbs
• Added Revolut and Trade Republic to Spanish bank registry @zipus

Changed

• Updated bank registries and updated them to format v2 for Switzerland, Poland, Austria and Finnland. The v2-format groups entries that have the same name and BIC and aggregates the matching bank codes. This reduces the file-size by up to 75%.

Internal

• Update tooling and switch to PEP-735 compliant dependency groups.
• Use uv to manage Python versions instead of flox.

2026.01.0

Changed

• Removed support for deprecated Python version 3.9
• Updated domestic bank registries @mhemeryck

Added

• Adding Revolut Bank UAB @biTshifT.

Fixed

• Fix Modulr Finance @biTshifT.

2025.09.0

Added

• Added bank registry for Liechtenstein.

Fixed

• The Polish IBAN format override was breaking down the bank code in an unusual way, which made it hard to generate IBANs from the components known to the user. This has been detected and fixed by @pywkm

2025.07.0

Changed

• Allow lax validation of IBAN values when used with Pydantic

from typing import Annotated
from typing import Field
from pydantic import BaseModel


class Model(BaseModel):
  iban: Annotated[IBAN, Field(strict=False)]

• Updated bank registry for Germany, Austria, Switzerland and Poland.

Fixed

• Fixed script populating the Italian bank registry, adding over 150 additional banks (thanks to @ciotto)

2025.06.0

Changed

• Allow country specific components to be passed to IBAN.generate().

>>> IBAN.generate("IS", bank_code="0101", account_type="26", account_code="85002", account_holder_id="5402696029")
<IBAN=IS910101260850025402696029>

2025.01.0

Changed

• Update the bank registries for Austria, Germany and Switzerland
• Added some manual entries for France and Great Britain

2024.11.0

Changed

• Removed support for deprecated Python version 3.8
• Updated the bank registries for Austria, Germany, Poland, Netherlands, Spain, Czech Republic, Italy, and Switzerland.

Added

• New French Banks @Natim
• Add modulr bank to Spanish bank registry @jose-reveni

2024.09.0

Fixed

• Fix Python 3.8 support while it is still supported (EOL is 2024-10) (thanks to @bwoodsend)

2024.08.1

Added

• Allow BIC and IBAN objects to be deepcopied (thanks to @binaryDiv for pointing this out).

2024.08.0

Added

• Added French Polynesian banks to the registry @tut-tuuut
• Added bnext to the Spanish registry @jose-reveni

Changed

• Extended the Danish bank registry, including many more banks now.
• Updated the Belgian bank registry @sennebos
• Updated bank registries for Austria, Germany, Poland, Czech Republic, Switzerland, Italy, Norway, and Netherlands.