4.8.3 (2020-03-13)

Docs:

* Add release notes for 4.8.2 to docs (conda#9632)
* Fix typos in docs (conda#9637, conda#9643)
* Grammatical and formatting changes (conda#9647)

Bug fixes:

* Account for channel is specs (conda#9748)

Contributors:

* @bernardoduarte
* @forrestwaters
* @jjhelmus
* @msarahan
* @rrigdon
* @timgates42

Merge pull request conda#9631 from forrestwaters/fw_conda482

4.8.2 changelog

* improve performance for conda run by avoiding Popen.communicate (co…

…nda#9381)

* Put conda keyring in /usr/share/keyrings on Debian (conda#9424)
* refactor common.logic to fix some bugs and prepare for better modularity (conda#9427)
* Support nested configuration  (conda#9449)
* Support Object configuration parameters  (conda#9465)
* Use freeze_installed to speed up conda env update  (conda#9511)
* add networking args to conda env create (conda#9525)

* fix string concatenation running words together regarding CONDA_EXE  (conda#9411)
* Fix typo ("list" -> "info")  (conda#9433)
* improve description of DLL loading verification and activating environments  (conda#9453)
* Installing with specific build number  (conda#9534)
* typo in condarc key envs_dirs  (conda#9478)
* Clarify channel priority and package sorting (conda#9492)

* Fix calling python api run_command with list and string arguments  (conda#9331)
* set tmp to shortened path that excludes spaces (conda#9409)
* Add subdir to PackageRecord dist_str  (conda#9418)
* revert init bash completion  (conda#9421)
* avoid function redefinition upon resourcing conda.fish  (conda#9444)
* propagate pip error level when creating envs with conda env (conda#9460)
* fix incorrect chown call (conda#9464)
* Don't check in pkgs for trash (conda#9472)
* Fix running conda activate in multiple processes on windows  (conda#9477)
* remove setuptools from run_constrained in recipe  (conda#9485)
* Fix `__conda_activate` function to correctly return exit code  (conda#9532)
* fix overly greedy capture done by subprocess for conda run  (conda#9537)

* @AntoinePrv
* @brettcannon
* @bwildenhain
* @cjmartian
* @felker
* @forrestwaters
* @gilescope
* @isuruf
* @jeremyjliu
* @jjhelmus
* @jhultman
* @marcuscaisey
* @mbargull
* @mingwandroid
* @msarahan
* @okhoma
* @osamoylenko
* @rrigdon
* @rulerofthehuns
* @soapy1
* @tartansandal

This is a re-release of 4.8.0rc0 and has no further changes.

4.8.0rc0 (2019-11-04)

* retry downloads if they fail, controlled by `remote_max_retries` and `remote_backoff_factor` configuration values (conda#9318)
* redact authentication information in some URLs (conda#9341)
* add osx version virtual package , `__osx` (conda#9349)
* add glibc virtual package, `__glibc` (conda#9358)

* removeed references to MD5s from docs (conda#9247)
* Add docs on `CONDA_DLL_SEARCH_MODIFICATION_ENABLED` (conda#9286)
* document threads, spec history and configuration (conda#9327)
* more documentation on channels (conda#9335)
* document the .condarc search order (conda#9369)
* various minor documentation fixes (conda#9238, conda#9248, conda#9267, conda#9334, conda#9351, conda#9372, conda#9378, conda#9388, conda#9391, conda#9393)

* fix issues with xonsh activation on Windows (conda#8246)
* remove unsupported --lock argument from conda clean (conda#8310)
* do not add `sys_prefix_path` to failed activation or deactivation (conda#9282)
* fix csh setenv command (conda#9284)
* do not memorize `PackageRecord.combined_depends` (conda#9289)
* use `CONDA_INTERNAL_OLDPATH` rather than `OLDPATH` in activation script (conda#9303)
* fixes xonsh activation and tab completion (conda#9305)
* fix what channels are queried when context.offline is True (conda#9385)

* @analog-cbarber
* @andreasg123
* @beckermr
* @bryant1410
* @colinbrislawn
* @felker
* @forrestwaters
* @gabrielcnr
* @isuruf
* @jakirkham
* @jeremyjliu
* @jjhelmus
* @jooh
* @jpigla
* @marcelotrevisani
* @melund
* @mfansler
* @mingwandroid
* @msarahan
* @rrigdon
* @scopatz
* @soapy1
* @WillyChen123
* @xhochy

* add support for env file creation based on explicit specs in history (

conda#9093)

* detect prefix paths when -p nor -n not given  (conda#9135)
* Add config parameter to disable conflict finding (for faster time to errors)  (conda#9190)

* fix race condition with creation of repodata cache dir  (conda#9073)
* fix ProxyError expected arguments  (conda#9123)
* makedirs to initialize .conda folder when registering env - fixes permission errors with .conda folders not existing when package cache gets created (conda#9215)
* fix list duplicates errors in reading repodata/prefix data  (conda#9132)
* fix neutered specs not being recorded in history, leading to unsatisfiable environments later  (conda#9147)
* Standardize "conda env list" behavior between platforms  (conda#9166)
* add JSON output to conda env create/update  (conda#9204)
* speed up finding conflicting specs (speed regression in 4.7.11)  (conda#9218)

* @beenje
* @Bezier89
* @cjmartian
* @forrestwaters
* @jjhelmus
* @martin-raden
* @msarahan
* @nganani
* @rrigdon
* @soapy1
* @WesRoach
* @zheaton

* add config for control of number of threads. These can be set in co…

…ndarc or using environment variables. Names/default values are: `default_threads/None`, `repodata_threads/None`, `verify_threads/1`, `execute_threads/1` (conda#9044)

* fix repodata_fns from condarc not being respected (conda#8998)
* Fix handling of UpdateModifiers other than FREEZE_INSTALLED (conda#8999)
* Improve conflict finding graph traversal (conda#9006)
* Fix setuptools being removed due to conda run_constrains (conda#9014)
* Avoid calling find_conflicts until all retries are spent (conda#9015)
* refactor _conda_activate.bat in hopes of improving behavior in parallel environments (conda#9021)
* Add support for local version specs in PYPI installed packages (conda#9025)
* fix boto3 initialization race condition (conda#9037)
* Fix return condition in package_cache_data (conda#9039)
* utilize libarchive_enabled attribute provided by conda-package-handling to fall back to .tar.bz2 files only. (conda#9041, conda#9053)
* Fix menu creation on windows having race condition, leading to popups about python.exe not being found (conda#9044)
* Improve list error when egg-link leads to extra egg-infos (conda#9045)
* Fix incorrect RemoveError when operating on an env that has one of conda's deps, but is not the env in which the current conda in use resides (conda#9054)

* Document new package format better
* Document `conda init` command
* Document availability of RSS feed for CDN-backed channels that clone

* @Bezier89
* @forrestwaters
* @hajapy
* @ihnorton
* @matthewwardrop
* @msarahan
* @rogererens
* @rrigdon
* @soapy1

* fix merging of specs

* fix bugs in building of chains in prefix graph

* @msarahan

* fix Non records in comprehension

* fix potential keyerror in depth-first search
* fix PackageNotFound attribute error

* @jjhelmus
* @msarahan

* improve unsatisfiable messages - try to group and explain output be…

…tter. Remove lots of extraneous stuff that was showing up in 4.7.7 (conda#8910)

* preload openssl on windows to avoid library conflicts and missing library issues (conda#8949)

* fix handling of channels where more than one channel contains packages with similar name, subdir, version and build_number.  This was causing mysterious unsatisfiable errors for some users.  (conda#8938)
* reverse logic check in checking channel equality, because == is not reciprocal to != with py27 (no `__ne__`) (conda#8938)
* fix an infinite loop or otherwise large process with building the unsatisfiable info.  Improve the depth-first search implementation.  (conda#8941)
* streamline fallback paths to unfrozen solve in case frozen fails. (conda#8942)
* Environment activation output only shows `conda activate envname` now, instead of sometimes showing just `activate`.  (conda#8947)

* @forrestwaters
* @jjhelmus
* @katietz
* @msarahan
* @rrigdon
* @soapy1