v3.1.0

Highlights:

• Redesigned Docker images, including buildx and an Alpine variant
• cmd/shfmt
  • Replace source files atomically when possible
  • Support ignore = true in an EditorConfig to skip directories
  • Add -fn to place function opening braces on the next line
  • Improve behavior of -f when given non-directories
  • Docker images and go get installs now embed good version information
• syntax
  • Add support for nested here-documents
  • Allow parsing for loops with braces, present in mksh and Bash
  • Expand CaseClause to describe its in token
  • Allow empty lines in Bash arrays in the printer
  • Support disabling KeepPadding
  • Avoid mis-printing some programs involving &
• interp
  • Add initial support for Bash process substitutions
  • Add initial support for aliases
  • Fix an edge case where the status code would not be reset
  • The exit status code can now reflect being stopped by a signal
  • test -t now uses the interpreter's stdin/stdout/stderr files
• expand
  • Improve the interaction of @ and * with quotes and IFS

Binaries built on go version go1.14.2 linux/amd64.

Please note that the binaries were re-uploaded on April 10th, to update the Go version and fix the missing version information.