0.30.1

Standard library

Numeric

• Fixed Number#humanize digits. (#8027, thanks @straight-shoota)

Networking

• Fixed TCP socket leaking after failed SSL connect in HTTP::Client#socket. (#8025, thanks @straight-shoota)
• Honor normalized header names for HTTP requests. (#8061, thanks @asterite)

Concurrency

• Don't resume fibers directly from event loop callbacks (or support for libevent 2.1.11). (#8058, thanks @waj)

Compiler

• Fixed sizeof(Nil) and other empty types. (#8040, thanks @asterite)
• Avoid internal globals of type i128 or u128. (or workaround a llvm 128 bits bug). (#8063, thanks @bcardiff, @asterite)

Language semantics

• Consider abstract method implementation in supertype for abstract method checks. (#8035, thanks @asterite)

Tools

Formatter

• Handle consecutive macro literals when subformatting. (#8034, thanks @asterite)
• Fixed crash when formatting syntax error inside macro. (#8055, thanks @asterite)

Others

• Use LLVM 6.0.1 for darwin official packages. (#7994, thanks @bcardiff)
• Split std_specs in 32 bits CI. (#8065, thanks @bcardiff)