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SpaltX
Release infrastructure

Firmware

Signed, checksummed builds for every board target. Verify, flash, fly.

Live releases
0
across all board targets
Downloads served
0
all time
Board targets
0
0 drone models
Latest stable
none
no stable release yet
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Downloads are logged per account. Registered aircraft get update advice here.

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All releases

Filter by model or channel. Expand a row for release notes and checksums.

0 releases
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Try a different search, another channel, or include withdrawn builds.

Field guide

Verify before flashing

Compare the file's SHA-256 with the published checksum before flashing.

# Windows
certutil -hashfile firmware.bin SHA256

# macOS and Linux
shasum -a 256 firmware.bin
Release channels
  • stableFlight tested. Open to all signed-in accounts.
  • betaFeature previews. Requires firmware access for the model.
  • devBench builds from CI. Expect breakage.
  • withdrawnRecalled and never served. Reflash before flying.
Flash procedure
  1. Confirm the target code printed on the flight controller.
  2. Enter DFU mode (hold BOOT while powering on).
  3. Full-chip flash. Do not disconnect until verification completes.
  4. Restore the tune preset, then bench check before arming.
Automate with the release feed

A public JSON feed exposes release metadata for update checkers and CI. Downloads still require a signed-in session.

model=slug
filter to one drone model
target=code
filter to one board target
channel=name
stable, beta, or dev
latest=1
newest release per target and channel
include_yanked=1
include withdrawn releases, flagged
# newest stable build for a board target
curl -s "/api/firmware/feed?target=SPX_F722_A1&channel=stable&latest=1"

{
  "generatedAt": "2026-07-16T09:30:00.000Z",
  "count": 1,
  "releases": [{
    "target": "SPX_F722_A1",
    "version": "1.2.0",
    "channel": "stable",
    "sha256": "9f2c…",
    "minHardwareRev": "R1",
    "downloadUrl": "…/api/firmware/download/1"
  }]
}
Open the feed