v0.4.13

0.4.13 (2026-06-27)

Features

• agent: run under busybox init as a supervised child (9f58b19)
• cli: make 'disk compact' trigger an on-demand trim (f34657f)
• profile: add development runtime profile (7038d70)
• virtio-blk: punch holes on DISCARD to reclaim host disk (a2fa7c5)
• virtio-blk: share punch helper, gate DISCARD on writable devices (9c15a13)
• vmm: honor WRITE_ZEROES in the HV block worker (8cdd8ef), closes #337
• vmm: punch holes on DISCARD in the HV block worker (fa0c22a)

Bug Fixes

• agent: fail fast when init can't mount the writable layers (0c90c65)
• api: surface guest fstrim failures from CompactDisk (70b0913)
• boot: gate PL011 earlycon to HV and preserve readiness errors (c7a902d)
• boot: pin earlycon to PL011 base so HV early-boot logs are captured (f4874e8)
• boot: retry guest readiness instead of aborting on transient early-eof (d614c68)
• daemon: capture guest console output by default (4ae966b)
• net: cache raw DNS responses (bff8b34)
• net: honor DNS cache hit metadata (da91b77)
• net: widen DNS cache record count sum (2d88142)
• storage: drop upfront docker.img preallocation, keep image sparse (#334) (5a93974)
• virtio-blk: fall back to pwrite when WRITE_ZEROES punch fails (877d9fa)
• virtio-blk: harden discard range handling (e95f865)
• vmm: preserve block io ordering (52489da)
• vmm: preserve block worker capacity after rebase (f2cc061)
• vsock: use non-blocking read in remove_closes_fd test (66b0ffc)

Code Refactoring

• agent: report fstrim failure via agent error, not text parsing (10e5ba8)
• blk: split virtio block device (282efb5)
• core: consolidate agent unary rpc (12c237b)
• core: move machine tests out of manager (110e229)
• core: split agent client internals (2436197)
• core: split boot asset module (0dc0c7c)
• core: split runtime helpers (566adcc)
• core: split vm lifecycle types (6e80f9d)
• core: split vm types and tests (c5bcbd7)
• fs: split fuse dispatcher (cfd1ebc)
• fs: split passthrough filesystem (2af0443)
• fs: split virtio fs device (1cfd756)
• hypervisor: split darwin vm (9779325)
• hypervisor: split linux vm (91f620f)
• net: split darwin datapath loop (e2a5990)
• net: split virtio net device (f5f880e)
• oci: split runtime config (03e81c0)
• packet: split ethernet helpers (dae1f03)
• splicetcp: split tcp bridge (6c559ff)
• vmm: split darwin hv backend (0be28c2)
• vmm: split device manager (0416c4b)
• vmm: split irq chip (59538d3)
• vmm: split manager core (585255d)
• vmm: split snapshot manager (6648135)
• vm: split sandbox manager (d61fed2)
• vsock: split connection manager (a46ba93)
• vsock: split virtio device internals (1060d7c)
• xtask: fully adopt shared xtask utilities (7e1c545)
• xtask: reuse shared xtask utilities (b088a11)

Tests

• hv_e2e: prove busybox-init agent supervision end-to-end (1a855e7)
• vsock: assert EOF on peer end in remove_closes_fd (edcbd5a)

Styles

• fs: format virtio fs device tests (2c5e63d)
• vsock: rustfmt the remove_closes_fd assertion (99b893d)

Build System

• rust: bump workspace toolchain to 1.96 (a30d30e)

Miscellaneous Chores

• assets: pin boot assets to 0.6.0 (busybox-init rootfs) (c5e5ba2)
• assets: re-pin boot assets to 0.6.1 (rcS init fail-fast) (703b563)