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Update doc/manual/source/release-notes/rl-2.32.md

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Co-authored-by: Taeer Bar-Yam <Radvendii@users.noreply.github.com>
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Eelco Dolstra 2025-10-06 19:27:30 +02:00 • committed by GitHub
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@ -78,7 +78,9 @@
- `fetchTarball` and `fetchurl` now correctly substitute (#14138) - `fetchTarball` and `fetchurl` now correctly substitute (#14138)
At some point we stopped substituting calls to `fetchTarball` and `fetchurl` with a set `narHash` to avoid incorrectly substituting things in `fetchTree`, even though it would be safe to substitute when calling the legacy `fetch{Tarball,url}`. This fixes that regression where it is safe. At some point we stopped substituting calls to `fetchTarball` and `fetchurl` with a set `narHash` to avoid incorrectly substituting things in `fetchTree`, even though it would be safe to substitute when calling the legacy `fetch{Tarball,url}`. This fixes that regression where it is safe.
- Started moving AST allocations into a bump allocator [#14088](https://github.com/NixOS/nix/issues/14088)
This leaves smaller, immutable structures in the AST. So far this saves about 2% memory on a NixOS config evaluation.
## Contributors ## Contributors
This release was made possible by the following 32 contributors: This release was made possible by the following 32 contributors: