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better nix shebang caching across containers to fix slow bootstrap 49M * N times

featureFeature request or proposalFeature request or proposal

Status: Open.

#16037 In NixOS/nix;

· loynoir opened on Jun 18, 2026

v2.34 ssl-cert-file | NIX_SSL_CERT_FILE still not honored.

bug

Status: Open.

#16032 In NixOS/nix;

· Skarlett opened on Jun 17, 2026

Issue when trying to install nix on macOS Ventura 13.7.8 on a MacBookPro14,3

installer

Status: Open.

#16029 In NixOS/nix;

· raphaelcalmon opened on Jun 17, 2026

fetchTree without the git status slowdown

featureFeature request or proposalFeature request or proposal

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

performance

UXThe way in which users interact with Nix. Higher level than UI.The way in which users interact with Nix. Higher level than UI.

Status: Open.

#16026 In NixOS/nix;

· roberth opened on Jun 16, 2026

·  

fetch-tree stabilisation

nix flake show SIGABRTs via std::terminate when a GC OOM happens inside the noexcept Value::mkFailed (finalizer registration for Failed : gc_cleanup)

Status: Open.

#16023 In NixOS/nix;

· ncaq opened on Jun 16, 2026

perf: increase default GC_INITIAL_HEAP_SIZE

Status: Open.

#16018 In NixOS/nix;

· bouk opened on Jun 14, 2026

builtins.pathExists on a relative path fails when originating expression is in the store

bug

Status: Open.

#16017 In NixOS/nix;

· timbertson opened on Jun 14, 2026

git fetcher: disallow untracked unignored files in ALL relevant operations

error-messagesConfusing messages and better diagnosticsConfusing messages and better diagnostics

featureFeature request or proposalFeature request or proposal

fetchingNetworking with the outside (non-Nix) world, input lockingNetworking with the outside (non-Nix) world, input locking

Status: Open.

#16012 In NixOS/nix;

· roberth opened on Jun 11, 2026

Unintuitive whitespace stripping in indented string after escaped newline

bug

languageThe Nix expression language; parser, interpreter, primops, evaluation, etcThe Nix expression language; parser, interpreter, primops, evaluation, etc

Status: Open.

#16011 In NixOS/nix;

· jiamingc opened on Jun 11, 2026

:doc-ument the operators

documentation

featureFeature request or proposalFeature request or proposal

replThe Read Eval Print Loop, "nix repl" command and debuggerThe Read Eval Print Loop, "nix repl" command and debugger

Status: Open.

#16010 In NixOS/nix;

· roberth opened on Jun 11, 2026

Assertion '!awake.empty()' failed in void nix::Worker::run()

bug

Status: Open.

#16005 In NixOS/nix;

· ahk2 opened on Jun 10, 2026

flake always eval binary data file dependency

bug

Status: Open.

#16004 In NixOS/nix;

· loynoir opened on Jun 10, 2026