Archive format 2 and stream version 4, frozen at v0.4.0: codec byte, every range a reader checks; stream format page
Stage 7: symlinks on Windows; the directory attribute of a Windows symlink
v0.3.2: versions; what syc a puts in a version
v0.3.1: syc x; extraction rules; roadmap
syc archive format: stage 4 implemented; stdin via a temporary file; time unit; UTF-8 paths
syc archive format: link the reference cutter
v0.3.0: syc archive format (design), CLI roadmap in stages