3.0.31

Enhancements:

• expose time and datetime modules in jinja2 context, for use in meta.yaml #2513
• jinja: permit recipes to check for existence of a variable without erroring #2529
• add method for getting all variant values used by a recipe, not just those variants with more than one value. #2531

Bug fixes:

• allow SSL_NO_PROXY env var to disable SSL checking on proxied connections #2505
• Fix source hoisting issues (incorrectly flattening directory structure of extracted archives) #2507
• Fix build env for output getting lost when output name == top-level name #2511
• add global pin_run_as_build for R (x.x.x) to keep legacy R pinning behavior #2518
• Fix path conversion issues going from windows to unix #2522
• only insert variant versions when testing runtime availability for packages that are also present in build (not just run) #2527

Contributors:

• @anton-malakhov
• @bheklilr
• @mandeep
• @msarahan
• @stuarteberg