Enhancements:
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* Allow user-specified channels to come ahead of local channel  #3038
* Add schema for outputs section in FIELDS; provide method for getting rendered recipe text (to support conda-verify)  #3041
* Enable conda-verify by default when it is importable, but only print warnings by default, instead of exiting  #3042
* Add --label CLI argument to allow specifying label for uploading packages to  #3043

Bug fixes:
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* fix apply_selectors, leading to excessive detection of used variables  #3040

Contributors:
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* @CJ-Wright
* @msarahan
* @speleo3