Issues

• Make deletePath and LocalStore::deleteStorePath return statistics instead of using an out-parameter

  good first issueidea approved
  NixOS/nix#16623 · Filter by author xokdvium opened on Oct 16, 2026

• pre-build-hook failures don't respect --keep-going

  bug
  NixOS/nix#16622 · Filter by author me-and opened on Oct 16, 2026

• Forwarding the client store setting can deadlock distributed output import

  NixOS/nix#16615 · Filter by author MrVampy opened on Oct 14, 2026

• sandbox rules on Darwin exceed maximum length

  bug
  NixOS/nix#16613 · Filter by author mroi opened on Oct 14, 2026
  8

• boost::bad_format_string error hiding shell output

  bug
  NixOS/nix#16603 · Filter by author TropheusJ opened on Oct 13, 2026
  1

• Git automatic pack-refs causes recurring could not update mtime warnings, even with a fresh cache

  NixOS/nix#16600 · Filter by author Xdavius opened on Oct 12, 2026

• Don't use Hash::parseAny when parsing forge responses

  NixOS/nix#16589 · Filter by author xokdvium opened on Oct 10, 2026

• nix store in the build sandbox is owned by nobody

  bugsandbox
  NixOS/nix#16583 · Filter by author jian-lin opened on Oct 9, 2026
  5

• meson should installs nix*.fish into fish conf.d

  bug
  NixOS/nix#16576 · Filter by author juhp opened on Oct 8, 2026
  2

• mounted-ssh-ng: out-links are created by the remote daemon, which fails when the remote user differs from the local user

  bug
  NixOS/nix#16570 · Filter by author augu5te opened on Oct 7, 2026

• Local git rev fetch uses checked out .gitattributes

  bugfetching
  NixOS/nix#16556 · Filter by author yorickvP opened on Oct 3, 2026
  1

• fetchTree: fetching the same tree from different local paths only mounts one and changes to one are visible in others

  bugfetching
  NixOS/nix#16553 · Filter by author yorickvP opened on Oct 2, 2026
  4

• derivation: output names with whitespace should be rejected

  error-messages
  NixOS/nix#16552 · Filter by author yorickvP opened on Oct 2, 2026
  4

• Allow nix flake check to replay logs for already realised checks

  featureflakesnew-cli
  NixOS/nix#16551 · Filter by author malik-n opened on Oct 2, 2026

• flakes: builtins.toXML and nix run use checkout path instead of store path

  bugflakeslanguage
  NixOS/nix#16550 · Filter by author yorickvP opened on Oct 2, 2026

• Fetchers: local git trees skip a directory when there's a file with the same name plus a non-ASCII character (src/ next to srcü)

  bugfetching
  NixOS/nix#16549 · Filter by author yorickvP opened on Oct 2, 2026

• Ccache stdenv is slow, and new contributor documentatioon

  NixOS/nix#16540 · Filter by author MaxistheSpy opened on Sep 30, 2026

• Please generate scripts for mounting the nix-store volume and launching the nix-daemon

  feature
  NixOS/nix#16539 · Filter by author novasharper opened on Sep 30, 2026

• :doc command unfolds partial applications even when definition has documentation

  bug
  NixOS/nix#16531 · Filter by author leana8959 opened on Sep 27, 2026
  2

• int overflow in builtins.compareVersions

  buglanguage
  NixOS/nix#16526 · Filter by author yorickvP opened on Sep 26, 2026
  7

• derivation { system = "\\"; … } creates unreadable .drv file

  buglanguagestore
  NixOS/nix#16525 · Filter by author yorickvP opened on Sep 26, 2026

• Define the behavior of findGenerations with concurrent profile modifications

  NixOS/nix#16524 · Filter by author xokdvium opened on Sep 26, 2026

• builtins.fetchTree never substitutes a pinned tree from a binary cache, but an equivalent locked flake input does

  bug
  NixOS/nix#16509 · Filter by author fzakaria opened on Sep 23, 2026
  9

• ffmpeg-kit-next not able to install with Nix

  installer
  NixOS/nix#16505 · Filter by author cdebaixo opened on Sep 23, 2026
  2

• Remote builder + missing trusted public key = confusing error

  feature
  NixOS/nix#16500 · Filter by author yshui opened on Sep 21, 2026
  2