Crystal 1.6.1 released!

[NewsBot]

Crystal 1.6.1 has been released.

Compiler

Interpreter

• Interpreter (repl): migrate types even if their size remains the same (#12581, thanks @asterite)
• Unbreak the interpreter on FreeBSD (#12600, thanks @dmgk)
• Fix FFI specs on release builds (#12601, thanks @HertzDevil)
• Adding welcome message to the interpreter (#12511, thanks @beta-ziliani)

Semantic

• Treat single splats with same restriction as equivalent (#12584, thanks @HertzDevil)

Tools

Formatter

• Formatter: escape backslashes in macro literals when subformatting (#12582, thanks @asterite)

Playground

• Fix origin validation in playground server for localhost ([#12599](https://github.com/crystal-lang/crys…

Link: Release 1.6.1 · crystal-lang/crystal · GitHub