[ANNOUNCE] urbit-v1.12

[joe bryan]

urbit-v1.12

Arvo 417K
Vere 1.12

This is a hotfix release, fixing another memory corruption vulnerability
introduced in v1.10 and improving snapshot durability.

Release Notes

- restores the guard page (preventing road stack overflow) after |meld
- improves snapshot error handling and messaging
- fixes an overflow bug affecting jammed scry output (-X)

Contributions:

Joe Bryan (16):
u3: protect guard page in u3e_yolo()
vere: bumps version
u3: assert guard page invariants when saving snapshot
u3: initialize guard page in u3m_boot_lite()
vere: bumps version
nix: update linux-aarch64 overlay to exclude macos m1
u3: handle partial reads in snapshot system
u3: handle partial writes in snapshot system
u3: print mprotect errors in snapshot system
u3: print error msg if system page size is incompatible
u3: detect snapshots from a larger loom, print and exit
u3: normalize home-road stack after snapshot restoration
u3: handle and print lseek errors in snapshot system
u3: print errors while deleting snapshot patch
vere: bumps version
vere: bumps version

Liam Fitzgerald (1):
pier: fix jamming archive

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https://tlon.io