Tifffile

- Make imagecodecs an optional dependency again.
- Disable multi-threaded decoding of small LZW compressed segments.
- Fix caching of TiffPage.decode method.
- Fix xml.etree.cElementTree ImportError on Python 3.9.
- Fix tostring DeprecationWarning.

- Fix reading ImageJ grayscale mode RGB images (6).
- Remove napari reader plugin.

- Add napari reader plugin (tentative).
- Fix writing single tiles larger than image data (3).
- Always store ExtraSamples values in tuple (breaking).

- Allow to write tiled TIFF from iterable of tiles (WIP).
- Add method to iterate over decoded segments of TiffPage (WIP).
- Pass chunks of segments to ThreadPoolExecutor.map to reduce memory usage.
- Fix reading invalid files with too many strips.
- Fix writing over-aligned image data.
- Detect OME-XML without declaration (2).
- Support LERC compression (WIP).
- Delay load imagecodecs functions.
- Remove maxsize parameter from asarray (breaking).
- Deprecate ijmetadata parameter from TiffWriter.save (use metadata).

- Add method to decode individual strips or tiles.
- Read strips and tiles in order of their offsets.
- Enable multi-threading when decompressing multiple strips.
- Replace TiffPage.tags dictionary with TiffTags (breaking).
- Replace TIFF.TAGS dictionary with TiffTagRegistry.
- Remove TIFF.TAG_NAMES (breaking).
- Improve handling of TiffSequence parameters in imread.
- Match last uncommon parts of file paths to FileSequence pattern (breaking).
- Allow letters in FileSequence pattern for indexing well plate rows.
- Allow to reorder axes in FileSequence.
- Allow to write > 4 GB arrays to plain TIFF when using compression.
- Allow to write zero size NumPy arrays to nonconformant TIFF (tentative).
- Fix xml2dict.
- Require imagecodecs >= 2020.1.31.
- Remove support for imagecodecs-lite (breaking).
- Remove verify parameter to asarray method (breaking).
- Remove deprecated lzw_decode functions (breaking).
- Remove support for Python 2.7 and 3.5 (breaking).

- Fix infinite loop reading more than two tags of same code in IFD.
- Delay import of logging module.