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eddfcf8622
nixpkgs/nixos/doc/manual/release-notes/rl-2305.section.md
Linus Heckemann eddfcf8622 amazon-image: fetch metadata only in stage-2 
This also removes automatic enablement/mounting of instance store swap
devices and ext3 filesystems. This behaviour is strongly opinionated
and shouldn't be enabled by default.

The unionfs behaviour never took effect anyway, because the AMI
manifest path only exists for instance store-backed AMIs, which have
not been supported by nixpkgs since
84742e2293 (2019).
2022-11-23 17:19:13 +01:00

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Release 23.05 (“Stoat”, 2023.05/??)

Support is planned until the end of December 2023, handing over to 23.11.

Highlights

In addition to numerous new and upgraded packages, this release has the following highlights:

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New Services

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Backward Incompatibilities

  • carnix and cratesIO has been removed due to being unmaintained, use alternatives such as naersk and crate2nix instead.

  • The EC2 image module no longer fetches instance metadata in stage-1. This results in a significantly smaller initramfs, since network drivers no longer need to be included, and faster boots, since metadata fetching can happen in parallel with startup of other services. This breaks services which rely on metadata being present by the time stage-2 is entered. Anything which reads EC2 metadata from /etc/ec2-metadata should now have an after dependency on fetch-ec2-metadata.service

  • The EC2 image module previously detected and automatically mounted ext3-formatted instance store devices and partitions in stage-1 (initramfs), storing /tmp on the first discovered device. This behaviour, which only catered to very specific use cases and could not be disabled, has been removed. Users relying on this should provide their own implementation, and probably use ext4 and perform the mount in stage-2.

  • The EC2 image module previously detected and activated swap-formatted instance store devices and partitions in stage-1 (initramfs). This behaviour has been removed. Users relying on this should provide their own implementation.

Other Notable Changes

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