Enhancements: ------------- * pass WINDIR env var through on Windows #1837 * make long test prefix an option (default disabled) #1838 Bug fixes: ---------- * monkeypatch ensure_use_local to avoid conda-build import clobbering conda CLI arguments #1834 * Fix context conda_build attr error with older conda #1813 * Fix legacy noarch shebang replacement code to account for long prefix paths #1813 * properly initialize 'system' key in linkage inspecting #1839 * backport try mmap from master #1764 * fix wheel output not respecting --output-folder CLI argument #1838 * catch csv dialect sniffing error, try to fallback to to excel_tab. Might work? #1840