2026.09.10-15

OE5XRX Linux Image 2026.09.10-15

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	Release	Dev
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-release-2026.09.10-15.wic.bz2	oe5xrx-raspberrypi4-64-dev-2026.09.10-15.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-release-2026.09.10-15.wic.bz2	oe5xrx-qemux86-64-dev-2026.09.10-15.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• Drop bluetooth + wifi DISTRO_FEATUREs (ethernet-only station) by @peterus in #91
• chore: bump station-agent to 6338bff (FM-offline fix + flag removal) by @peterus in #92

Full Changelog: 2026.09.09-18...2026.09.10-15

2026.09.09-18

OE5XRX Linux Image 2026.09.09-18

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	Release	Dev
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-release-2026.09.09-18.wic.bz2	oe5xrx-raspberrypi4-64-dev-2026.09.09-18.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-release-2026.09.09-18.wic.bz2	oe5xrx-qemux86-64-dev-2026.09.09-18.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• Robust A/B u-boot env (redundant) + 2.5G symmetric slots + data-grow by @peterus in #88
• Revert T2 layout-change skip — fail loud on a partition-layout change by @peterus in #89
• Explicit acknowledge_layout_change gate for partition-layout changes by @peterus in #90

Full Changelog: 2026.09.06-17...2026.09.09-18

2026.09.06-17

OE5XRX Linux Image 2026.09.06-17

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	Release	Dev
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-release-2026.09.06-17.wic.bz2	oe5xrx-raspberrypi4-64-dev-2026.09.06-17.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-release-2026.09.06-17.wic.bz2	oe5xrx-qemux86-64-dev-2026.09.06-17.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• fix(audio): pull gst rtp/udp/rtpmanager so the live Opus bridge builds by @peterus in #87

Full Changelog: 2026.09.06-12...2026.09.06-17

2026.09.06-12

OE5XRX Linux Image 2026.09.06-12

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	Release	Dev
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-release-2026.09.06-12.wic.bz2	oe5xrx-raspberrypi4-64-dev-2026.09.06-12.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-release-2026.09.06-12.wic.bz2	oe5xrx-qemux86-64-dev-2026.09.06-12.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• feat(audio): Session A — audio image foundation + sim substrate by @peterus in #84
• chore(agent): bump station-agent pin to 6dce8557 (audio pipeline B+C+D) by @peterus in #85
• test(audio): Session E — agent-side audio E2E gate in QEMU (Tier 1) by @peterus in #86

Full Changelog: 2026.09.03-16...2026.09.06-12

2026.09.03-16

OE5XRX Linux Image 2026.09.03-16

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	Release	Dev
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-release-2026.09.03-16.wic.bz2	oe5xrx-raspberrypi4-64-dev-2026.09.03-16.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-release-2026.09.03-16.wic.bz2	oe5xrx-qemux86-64-dev-2026.09.03-16.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• feat(dev-loop): fast-dev-loop — dev-image live-mount, sshfs, --dev-agent, prod-safety guard by @peterus in #55
• feat(ci): converge Yocto build server onto ydev self-teardown by @peterus in #77
• refactor(ci): one PR entry point + workflow naming/dedupe cleanup by @peterus in #78
• fix(station-agent): enable control channel in image-default config by @peterus in #79
• feat: publish signed dev-image as release asset with baked variant marker (#118 Teil A) by @peterus in #80
• ydev: datacenter fallback when a Hetzner location is full by @peterus in #81
• ci: use YDEV_LOCATIONS fallback list instead of pinning fsn1 by @peterus in #82
• ydev: idempotent teardown — tolerate a self-deleted box by @peterus in #83

Full Changelog: 2026.08.28-14...2026.09.03-16

2026.08.28-14

OE5XRX Linux Image 2026.08.28-14

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	File
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-2026.08.28-14.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-2026.08.28-14.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• ci(build): shared Storage Box sstate cache (bws-fed), drop block volume by @peterus in #57
• ci(build): robust cache-dir creation on sshfs mount (smoke-test hotfix) by @peterus in #58
• ci(build): mount Storage Box home dir, not the read-only chroot / by @peterus in #59
• ci(build): shared-cache git safe.directory + rsync push perms by @peterus in #60
• build: disable local hash-equivalence so the shared sstate mirror matches by @peterus in #61
• feat(ydev): interactive local Yocto dev loop (Spec 2 · Plan A) by @peterus in #62
• feat(ydev): remote on-demand build backend + auto-teardown (Spec 2 · Plan B) by @peterus in #63
• fix(ydev): remote ssh identity (HCLOUD_SSH_KEY) + cloud-init teardown at create by @peterus in #64
• feat(cache): Spec 3 — shared-cache hardening (lockfiles, shallow fetch, pruning) by @peterus in #65
• feat(cache): Spec 4 — cut the build over to the public R2 mirror (Phase B) by @peterus in #66
• chore(ci): Wave-1 workflow hardening + dead-file removal by @peterus in #67
• feat(ci): per-PR build trigger + pin actions/hcloud/python + fix OTA pip by @peterus in #69
• docs(ci): fix stale fsn1 location comment in build.yml by @peterus in #74
• test(ota): fix flaky download-counter race in DummyOtaServer by @peterus in #75

Full Changelog: 2026.07.25-23...2026.08.28-14

2026.07.25-23

OE5XRX Linux Image 2026.07.25-23

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	File
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-2026.07.25-23.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-2026.07.25-23.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• chore(station-agent): bump to pyserial agent + add python3-pyserial RDEPENDS by @peterus in #53
• fix(ota-test): wait for loop partition nodes before use (flaky mount) by @peterus in #54

Full Changelog: 2026.07.25-15...2026.07.25-23

2026.07.25-15

OE5XRX Linux Image 2026.07.25-15

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	File
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-2026.07.25-15.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-2026.07.25-15.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• fix(cm4-usb): bump RPi kernel to rpi-6.18.y HEAD (6.18.39) + IKCONFIG by @peterus in #49
• fix(build): move RPi kernel 6.18.39 pin to raspberrypi.yml (unbreak x86 build) by @peterus in #50
• fix(build): version-scoped RPi 6.18.39 pin + BB_DANGLINGAPPENDS_WARNONLY by @peterus in #51
• fix(build): move RPi kernel pin to dynamic-layer (unbreak both builds) by @peterus in #52

Full Changelog: 2026.07.25-07...2026.07.25-15

2026.07.25-07

OE5XRX Linux Image 2026.07.25-07

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	File
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-2026.07.25-07.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-2026.07.25-07.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• Yocto Scarthgap (5.0) → Wrynose (6.0 LTS) + kernel 6.6 → 6.18 by @peterus in #48

Full Changelog: 2026.07.24-13...2026.07.25-07

2026.07.24-13

OE5XRX Linux Image 2026.07.24-13

Pre-built Yocto images for both supported targets. Published only
after passing the boot + cross-build OTA integration gate.

Target	File
Raspberry Pi CM4	oe5xrx-raspberrypi4-64-2026.07.24-13.wic.bz2
QEMU x86-64	oe5xrx-qemux86-64-2026.07.24-13.wic.bz2

Each image ships with a .sha256 checksum and a .bundle
cosign signature. Verification instructions are in
SECURITY.md.

What's Changed

• fix(cm4-usb): boot firmware DTB (otg_mode=1 → XHCI) instead of rootfs DTB by @peterus in #47

Full Changelog: 2026.07.24-10...2026.07.24-13