2.0.0alpha2

Enhancements:

• [micromamba] Remove hard coded mamba by @AntoinePrv in #3069
• [libmamba, micromamba] Support multiple env yaml specs by @jchorl in #2993
• [libmamba] Update shell hook comments by @jonashaag in #3051
• [micromamba] Duplicate reposerver to isolate micromamba tests by @AntoinePrv in #3071
• [libmamba, libmambapy] More specs bindings by @AntoinePrv in #3080
• [libmamba, libmambapy] Add VersionSpec::str by @AntoinePrv in #3081
• [all] Some future proofing MatchSpec by @AntoinePrv in #3082
• [libmamba] Reformat string by @AntoinePrv in #3085
• [libmamba] Clean up url_manip by @AntoinePrv in #3086
• [libmamba, libmambapy] Fix VersionSpec free ranges by @AntoinePrv in #3088
• [libmamba] Add parsing utilities by @AntoinePrv in #3090
• [libmamba] Bump MAMBA libsolv file ABI by @AntoinePrv in #3093
• [libmamba, libmambapy] MatchSpec use VersionSpec by @AntoinePrv in #3089
• [libmamba, libmambapy] GlobSpec by @AntoinePrv in #3094
• [libmamba] Add BuildNumberSpec by @AntoinePrv in #3098
• [libmamba] Refactor MatchSpec unlikey data by @AntoinePrv in #3099
• [libmamba, micromamba] Remove micromamba shell init -p by @AntoinePrv in #3092
• [all] Clean PackageInfo interface by @AntoinePrv in #3103
• [libmamba, libmambapy] NoArchType as standalone enum by @AntoinePrv in #3108
• [all] Move PackageInfo in specs:: by @AntoinePrv in #3109
• [libmamba, libmambapy] Change PackageInfo types by @AntoinePrv in #3113
• [libmamba, libmambapy] Add some PackageInfo tests by @AntoinePrv in #3115
• [libmamba, libmambapy] Rename ChannelSpec > UndefinedChannel by @AntoinePrv in #3117
• [libmamba, libmambapy] Add Channel::contains_package by @AntoinePrv in #3121
• [libmamba, libmambapy] Pool channel match by @AntoinePrv in #3122
• [libmamba] Added mirrored channels by @JohanMabille in #3125
• [libmamba, micromamba] Move util_random.hpp > util/random.hpp by @AntoinePrv in #3129
• [micromamba] Refactor test_remove.py to use fixture by @AntoinePrv in #3131
• [libmambapy] Add expected caster to Union by @AntoinePrv in #3135
• [all] MRepo refactor by @AntoinePrv in #3118
• [libmamba, libmambapy] No M by @AntoinePrv in #3137
• [libmamba, micromamba] Explcit transaction duplicate code by @AntoinePrv in #3138
• [libmamba, libmambapy] Solver improvements by @AntoinePrv in #3140
• [libmamba] Sort transaction table entries by @AntoinePrv in #3146
• [all] Solver Request by @AntoinePrv in #3141
• [libmamba] Improve Solution usage by @AntoinePrv in #3148
• [libmamba, libmambapy] Refactor solver flags by @AntoinePrv in #3153
• [libmamba] Moved download related files to dedicated folder by @JohanMabille in #3155
• [libmamba] Remove outdated commented code snippet by @jjerphan in #3160
• [libmamba] Implemented support for mirrors by @JohanMabille in #3157
• [all] Split Solver and Unsolvable by @AntoinePrv in #3156
• [libmamba] Proper sorting of display actions by @AntoinePrv in #3165
• [all] Solver sort deps by @AntoinePrv in #3163
• [libmamba, libmambapy] Bind solver::libsolv::UnSolvable by @AntoinePrv in #3166
• [libmamba, libmambapy] Improve Query API by @AntoinePrv in #3167

Bug fixes:

• [libmamba, micromamba] Fix URL enconding in repodata.json by @AntoinePrv in #3076
• [libmamba, micromamba] gracefully handle conflicting names in yaml specs by @jchorl in #3083
• [libmamba] Fix verbose and strange prefix in Powershell by @pwnfan in #3116
• [libmamba] handle other deps in multiple env files by @jchorl in #3096
• [libmambapy] Fix expected caster by @AntoinePrv in #3136
• [libmamba, micromamba] add manually given .tar.bz2 / .conda packages to solver pool by @0xbe7a in #3164

CI fixes and doc:

• [libmambapy] Remove dead mamba.py doc by @AntoinePrv in #3078
• [all] Document specs::Channel by @AntoinePrv in #3077
• [all] Fix --override-channels docs by @jonashaag in #3084
• [all] Add 2.0 changes draft by @AntoinePrv in #3091
• [all] Add Breathe for API documentation by @AntoinePrv in #3087
• [micromamba] Add instructions for gnu coreutils on OSX by @benmoss in #3111
• [all] Warning around manual install and add ref to conda-libmamba by @AntoinePrv in #3119
• [all] Add MacOS DNS issue logging by @AntoinePrv in #3130