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« March 2024 »

Release of Bio-Formats 5.4.1

The OME Consortium are pleased to announce the release of Bio-Formats 5.4.1

Dear All,

Today we are releasing Bio-Formats 5.4.1 which includes the following changes:

File format improvements:

  • MIAS (Maia Scientific)
    • added a fix for a possible exception when image files are not found under channel-specific subdirectories
  • BD Pathway
    • added fix to check if Experiment.exp is a directory or an experiment file
  • Imspector OBF
    • enabled forward compatibility for future versions as the OBF format is backwards compatible (thanks to Bjoern Thiel)

Documentation improvements:

  • updated external homepage link for FocalPoint
  • removed Imago from list of visualization and analysis applications as it is no longer available from the Mayachitra website
  • added links to public sample files for Hamamatsu NDPI and Hamamatsu VMS (see
  • listed OpenSlide as available software for supported formats
  • added a new developer page detailing in-memory reading and writing (see
  • updated the Bio-Formats API versioning policy which now follows strict semantic versioning (see
  • a new options page has been added detailing the usage of configurable format specific options for readers and writers (see Links to the available options are also included under the relevant supported formats

Full details can be found at

The software is available at:

and will shortly be available from the Java-8 update site for Fiji users.

Any problems or comments, please use the OME Forums or mailing lists:


The OME Team

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