fMRIPrep 21.0.0rc1

Release Notes

A new release candidate of the upcoming 21.0.x series.
Included are some vital bug fixes, a drastic decrease in Docker image size, and a change in the default output directory structure.

Changes

• DOC: Add --index-metadata to pybids layout faq (#2546)
• DOC: Add warning about slice timing correction in output documentation. (#2502)
• ENH: Make bids the default output layout option (#2555)
• ENH: Mask multi-echo data with reference mask instead of echo-specific masks (#2349)
• FIX: Missing numpy import (#2533)
• DOCKER: Shrink Docker image size (#2551)
• DOCKER: Strip ABI tag from libQt5Core.so.5 to prevent Singularity failures (#2535)
• MAINT: Run pytest through GitHub actions (#2529)