Install v1.9.1+

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prev release, v1.8.2
stable release, v1.9.1
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  64-bit; glibc 2.17 or higher.   64-bit; OS X 10.10 or higher; select between Apple Intel and Apple Silicon (new with v1.8!).   64-bit; select between Windows Subsystem for Linux and native Windows (new with v1.4!).   Download standalone command-line installer.   Use conda package manager.   Build from source using tools and dependencies from conda.   Python included, so choose the version you want, regardless of any you have.

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