* Upgrade `tensorflow` to [v2.3.4](https://github.com/tensorflow/tensorflow/releases/tag/v2.3.4) to fix several CVEs.
0.8.7
Not secure
Bugfixes
* Pin `deepcell-toolbox` to <0.9.0 to prevent breaking changes with `multiplex_utils.py`. * Pin `deepcell-tracking` to <0.4.0.
0.8.6
Not secure
Bugfixes
* Pin `numpy` to `< 1.20.0` as the new version only supports Python 3.7+. (91) * Test against Python 2.7 excluding Windows and Python 2.7. (91)
0.8.5
Not secure
Features
* Use environment markers to conditionally install a compatible version of `opencv-python-headless`. (85) * Test against all 3 OS versions and split PyTest and Coveralls into separate steps (87)
Bugfixes
* Fix random failures of `retinamask_postprocess` and `retinamask_semantic_postprocess` tests. (88, 89)
0.8.4
Not secure
Bugfixes
* Add new `pad_mode` argument to `tile_image` to override padding mode. (81) * Return blank image if `histogram_normalization` gets constant-value input (84) * Updated copyright date to 2021 (82)
0.8.3
Not secure
Features
* Replaced `opencv-python` with `opencv-python-headless` for faster builds and fewer dependencies. (78)