See https://haskellstack.org/ for installation and upgrade instructions.

Release notes:

• We have reduced the number of platforms that we support with binary releases.
  The reason behind this is that we've been slowed down in our release process
  until now with issues trying to build binaries for less common platforms. In
  order to make sure we can address issues more quickly (like supporting new
  GHC versions), we're limiting support from the Stack team to:

  • Linux 64-bit (static)
  • macOS
  • Windows 64-bit

  If others want to provide additional binaries, we will definitely be happy
  for the support. But since our CI system is currently able to produce these
  three bindists only, that's what we will be providing with the next release.

• Since we no longer have dynamically linked Linux binaries, we are removing
  removing the -static suffix from the static Linux binaries. If you have
  scripts to download the latest stable Linux binary, update them to use
  linux-x86_64 instead of linux-x86_64-static (if you are already using the
  former, nothing needs to change). For this release, both are supported, but
  the next release will no longer have the -static variant.

• We are also deprecating the download links at https://stackage.org/stack.
  See this page for the current installation instructions:
  https://docs.haskellstack.org/en/stable/install_and_upgrade/.

• These are the canonical locations to download the latest stable binaries
  from, and will continue to be supported going forward:

  • Linux 64-bit (static): https://get.haskellstack.org/stable/linux-x86_64.tar.gz
  • macOS: https://get.haskellstack.org/stable/osx-x86_64.tar.gz
  • Windows 64-bit: https://get.haskellstack.org/stable/windows-x86_64.zip

  As always, binaries for specific versions are available from the Github
  releases: https://github.com/commercialhaskell/stack/releases.

Changes since v2.1.3.1

Major changes:

• setup-info-locations yaml configuration now allows overwriting the default locations of stack-setup-2.yaml.
  #5031
  #2983
  #2913

• The setup-info configuration key now allows overwriting parts of the default setup-info

• The --setup-info-yaml command line flag now may be used in all stack commands such as stack build, and not only in stack setup

• The --setup-info-yaml may specify multiple locations for stack-setup.yaml files.

• The stack upload can read first reads environment Variable $HACKAGE_USERNAME and $HACKAGE_PASSWORD if they are missing only then asks for username or password

• Fully remove GHCJS support.

• Remove the freeze command. It has been replaced by lock files.

Behavior changes:

• Remove the deprecated --stack-setup-yaml command line argument in favor of --setup-info-yaml
  #2647

• We now recommend checking in generated cabal files for repos. When generating lock files for
  extra-deps that only include package.yaml files, a deprecation warning will be generated.
  Also, those packages will no longer be included in the generated lock files.
  See #5210.

Other enhancements:

• Add build-output-timestamps flag in yaml. Setting it to true
  prefixes each build log output line with a timestamp.

• Show warning about local-programs-path with spaces on windows
  when running scripts. See
  #5013

• Add ls dependencies json which will print dependencies as JSON.
  ls dependencies --tree is now ls dependencies tree. See
  #4424

• Remove warning for using Stack with GHC 8.8-8.10, and Cabal 3.0-3.2.

• Allow relative paths in --setup-info-yaml and tool paths
  #3394

• Added the --only-locals flag. See
  #5272

Bug fixes:

• Upgrade pantry: module mapping insertions into the database are now atomic.
  Previously, if you SIGTERMed at the wrong time while running a script, you
  could end up with an inconsistent database state.

• --resolver global doesn't retrieve snapshots list from the internet
  beause doesn't need it. See #5103

• Fix using relative links in haddocks output. See
  #4971.

• Do not include generated cabal file information in lock files. See
  #5045.

• Use proper Hoogle executable path when installed automatically. See
  #4905

• Fix GHC version for batched package unregistration. See
  #4951

• Use Hoogle from the snapshot used and not the latest version. See
  #4905

• Resolve "'stty' is not recognized". See
  #4901

• Fix missing reconfigure check causing errors when a package gets
  used in multiple projects. See
  #5147

Thanks to all our contributors for this release:

• Adam McCullough
• Akshay Mankar
• Brian Wignall
• Cheah Jer Fei
• Chris Done
• David Baynard
• davit nalchevanidze
• Dino Morelli
• Emanuel Borsboom
• Felix Yan
• flip111
• Flowers Safety
• Fred Miller
• Fyrbll
• gdziadkiewicz
• Good boy
• Hypnoes.Liu
• Iisus
• Iustin Pop
• ivanbakel
• Javier Neira
• Jeff Happily
• jeffhappily
• jneira
• Justin Le
• Kirill Zaborsky
• Leif Metcalf
• Leonhard Markert
• Lokesh Mohanty
• Matt Audesse
• Michael Snoyman
• Mihai Maruseac
• NightRa
• Phil Ruffwind
• qinzhenlong
• Robert Hensing
• Sasha Bogicevic
• Sibi
• Sibi Prabakaran
• Simon Michael
• Steve Mao
• Vlad Ki
• Xia Li-yao

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