Today I’d like to announce Homebrew 1.6.0. The most significant changes since 1.5.0 are brew install python installing Python 3, the deprecation of Homebrew/homebrew-php and various formula API deprecations.

Major changes and deprecations since 1.5.0:

• The python formula was upgraded to Python 3.x and python@2 formula was added for installing Python 2.7. We initially did not comply with PEP 394 and this was a mistake; sorry for the pain. We heard your feedback on Python 3 and made brew install python and brew install python@2 PEP 394 compliant. We will not change this again until PEP 394 has changed.
• We deprecated and archived the Homebrew/homebrew-php tap and created new php and versioned php@* formulae in Homebrew/core. This completes the deprecation and archival of the last non-Homebrew/core tap for end-users. We encourage more niche formulae and options to be supported in taps outside the Homebrew organisation.
• Many formula deprecations have been disabled and disabled functions removed
• Homebrew’s curl invocations now only read curlrc if HOMEBREW_CURLRC is set
• brew audit --strict now checks for depends_on ... build.with? dependencies (because they don’t and cannot work as expected)
• brew audit now flags the use of :run dependencies as they were a no-op
• brew tap refuses to tap deprecated taps

Other changes since 1.5.0 I’d like to highlight are the following:

• We’ve updated our documentation to note that curl needs --insecure on OS X 10.7 and below
• brew unlink no longer incorrectly removes versioned aliases
• brew linkage now outputs broken dependencies and missing libraries
• brew bump-formula-pr uses the GitHub API directly rather than hub
• You can now use scp:// in formula URLs
• Runtime dependencies handling is improved so e.g. brew uninstall and brew missing will now have consistent output
• Bottles can use custom download strategy URLs
• brew install will now also search casks if the formulae was not found
• Bottle root_urls can now use any download strategy
• brew install --only-dependencies will install any missing dependencies even if the formula is already installed
• brew upgrade now has a HOMEBREW_UPGRADE_CLEANUP environment variable to request automatic removal of old versions of a formula on upgrade
• Dependencies can now be :test to indicate they are only used by the test do block
• brew irb --pry uses pry instead of irb
• brew prof and brew ruby commands have been added for Homebrew developers
• brew update now handles a too old system Git (by installing Homebrew’s git) to access GitHub on OS X 10.8 and below
• If the NO_COLOR environment variable is set, Homebrew disables all coloured output
• brew pin is no longer automatically undone by brew uninstall or brew upgrade
• Homebrew now passes through the ALL_PROXY variable to curl
• We now tell people when they need to upgrade their macOS installation to install a formula

Finally:

• The Homebrew maintainers will attempt to have more of our communication in the open
• Thank you to everyone who helped with the Python and PHP migrations and provided constructive, polite and actionable feedback. No thanks to those who have used these as an excuse to abuse the entirely volunteer run project and maintainers. If you’re going to @mention individual maintainers or this project on Twitter with unkind or rude things: expect to be immediately blocked here and on GitHub. When you do that also please be aware that you are sapping volunteer motivation and in doing so make the project worse. In short, remember that open source maintainers owe you nothing.
• Homebrew still accepts donations through Patreon. If you can afford it, please consider donating. If you’d rather not use Patreon we’ve updated the README on how to make single donations through PayPal, cheque or wire transfer.

Thanks to all our hard-working maintainers, contributors, sponsors and supporters for getting us this far. Enjoy using Homebrew!