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Python API Changelog

Version 25.1.0b6 (Beta)

  • Maximum supported heavy atom count limit is lifted
  • Molecule search functionality added, supporting 1-to-1 and 1-to-n comparisons.
  • Function parameter type checking added
  • Molecule export to file is supported
  • Python 3.14 is also supported.
  • Python 3.14 GIL free is also tested for concurrent usage
  • Chemaxon chemical libraries updated to 25.3.5
  • API changes:
    • File import and export API redesigned to fit standard Python file handling conventions.
    • consider_tautomerization parameter added to pka calculation.
    • chemterm() fuction has been renamed to evaluate().

Version 25.1.0b5 (Beta)

  • Molecule import from file is supported
  • Molecule export to file is supported
  • Significant implementation changes to support better performance
  • Concurrent usage of chemaxon library is supported from this version

Version 25.1.0b4 (Beta)

  • Structure Checker and Fixer via Python is available
  • Maximum supported heavy atom count is increased to 800

Version 25.1.0b3 (Beta)

  • Standardization via Python is available
  • Charset dependent warnings are removed

Version 25.1.0b2 (Beta)

  • Minor fixes on charset handling and memory usage

Version 25.1.0b1 (Beta)

  • Created the first Beta version of the Chemaxon Python API