2021.8

• Added tools for processing predicted models based on the error estimate
• Updated list of modified amino and nucleic acids
• Better handling of sequence files with empty sequences

2021.7

• Fix pickling error with anomalous_probability_plot
• Fix bug in reading data CIF file with paired data and sigma arrays of
  different sizes
• Added functions for retrieving H-bond types and Van der Waals radii to
  the model manager class
• Sequence validation will only use protein or nucleic acid residues for
  alignment

2021.6

• More improvements to bulk solvent masking for multiple regions
• Updates to ensemble refinement
• Enable conversion of some numpy types into flex types instead of
  requiring that the types match (e.g. int to float is now supported)

2021.5

• Improved bulk solvent masking with support for multiple regions

2021.4

• Improved parsing of reciprocal space data in CIF
• CCTBXParser can handle intermixed arguments for Python >= 3.7
• Consolidate management of conda depenencies with conda-devenv

2021.3

• Initial support for native compilation on Apple Silicon

• Real-space refinement of occupancies and isotropic ADP

• Improvements in map_model_manager

  • Split up map and model by NCS groups
  • Create new map_model_manager with resampled maps

2021.2

• Improved remediator code for converting PDB version 2 format to version 3
• Add compilation support for Boost 1.72 and 1.74

2021.1

• Improvements to cctbx.HKLviewer for displaying reciprocal space data

2020.12

• BIOMT/MTRIX matrices in model reading

  • Added option to loosen handling of improper matrices in DataManager
  • Make behavior conistent between mmCIF and PDB formats

• Improvements to map_model_manager

  • Better handling of cases when information is missing
  • Calculate the RMSD of matching residues between models

2020.11

• Updated API for fetching data from RCSB