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« March 2024 »

Release of Bio-Formats 5.5.1

The OME Consortium are pleased to announce the release of Bio-Formats 5.5.1

Dear All,

Today we are releasing Bio-Formats 5.5.1 which includes the following changes:

File format improvements:

  • CellH5
    • fix for HDF5SymbolTableException when recycling an IFormatReader to reopen another CellH5 file
    • bug fix related to opening of subsets of CellH5 files, namely openBytes(r, no, x, y, w, h) for y>0
  • Zeiss CZI
    • fix pyramid resolution indexing for pyramids of different depths
    • fix for incorrect channel names and colors
  • Zeiss AxioVision ZVI
    • correct parsing of epoch for Zeiss TIFF and Zeiss ZVI

Bug fixes:

  • Command line tools
    • fix for java.lang. NegativeArraySizeException caused by incorrect dimensions when using showinf via command line with options set to autoscale and crop
  • Format tools
    • fix for java.lang. IndexOutOfBoundsException when using getFilename[1] with an image containing multiple samples per pixel channels and a single effective channel

Updated build system:

  • Autogen jobs
    • fix for gen-meta-support to locate available org.openmicroscopy:ome-xml sources from the Maven repository following the decoupling of the model components
  • FileHandleTest
    • exclude JHDF5 native libraries from FileHandleTest to enable CellH5 files to be included in daily tests

Documentation improvements:

  • added a new example file[2] for reading and writing of XZ and YZ orthogonal planes

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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