This release contains the latest version of Photon Vision based on the code on the main branch. This code is not as well-tested as the latest stable release! Use at your own risk.

What's Changed

• [photonlib] Remove deprecated pose estimator methods by @samfreund in #2431
• Bump some versions by @samfreund in #2433
• Upgrade to java 25 by @samfreund in #2441
• Formatting website by @samfreund in #2454
• Add presentation from CMP to website by @samfreund in #2453
• Add missing buildAndCopyUI instructions by @cswilson252 in #2457
• Change ssh login info by @samfreund in #2458
• Serve docs in demo by @samfreund in #2445
• Update macOS docs by @samfreund in #2459
• Add YOLO-Pro conversion docs by @samfreund in #2450
• Disallow low-resolution calibration by @cswilson252 in #2438
• Build images for 2027 and bump libcamera by @samfreund in #2442
• switched to shared cleaners in object detectors by @Bobcat66 in #2462
• Upgrade builds to node 24 by @samfreund in #2463
• Sync 2027 against main by @samfreund in #2465
• add youtube video by @samfreund in #2466
• Don't interact with Libcamera cameras until connected by @thatcomputerguy0101 in #2447
• TypeCheck Frontend by @samfreund in #2394
• 2027 by @samfreund in #2468
• Approve dependencies in pnpm and pin pnpm version in Gradle by @Gold856 in #2482
• Allow calibration dimensions in mm by @auscompgeek in #2479
• Add disabled param for PhotonCamera by @mcm001 in #2484
• fix(photon-lib): skip non-fiducial targets in C++ LOWEST_AMBIGUITY by @JosephTLockwood in #2494
• fix(photon-lib): only report actual contributors in targetsUsed by @JosephTLockwood in #2493
• Send isEnabled to UI by @thatcomputerguy0101 in #2499
• More strictly warn against NT api usage in docs by @cswilson252 in #2488
• Don't crash if libcamera fails to load by @thatcomputerguy0101 in #2498
• Fix setting stream res by @samfreund in #2500
• Raise minimum images for calibration to 100 by @spacey-sooty in #2437
• Add support for Green/Yellow status LEDs, like is used on some Limelights by @thatcomputerguy0101 in #2287
• Switch from FasterXML Jackson to Avaje Jsonb by @thatcomputerguy0101 in #2503
• Fix calibration typo by @samfreund in #2471
• change to a switch statement to avoid object comparison by @samfreund in #2507
• Upgrade to wpilib alpha-6 by @samfreund in #2434
• use wpilibYear not year by @samfreund in #2508
• Publish photonlib on main and tags by @mcm001 in #2510
• [python] Fixup python examples / build by @pjreiniger in #2509

New Contributors

• @JosephTLockwood made their first contribution in #2494

Full Changelog: v2026.3.4...v2027.0.0-alpha-2

Contributors

• @auscompgeek
• @pjreiniger
• @mcm001
• @thatcomputerguy0101
• @JosephTLockwood
• @samfreund
• @Bobcat66
• @spacey-sooty
• @Gold856
• @cswilson252

What's Changed

• better merch by @gerth2 in #2427
• Set raw exposure before setting auto exposure by @thatcomputerguy0101 in #2429

Full Changelog: v2026.3.3...v2026.3.4

Contributors

• @gerth2
• @thatcomputerguy0101

What's Changed

• Populate classId and confidence level for object detection in Java simulation by @shdalton in #2372
• Clean up C++ headers by @Gold856 in #2402
• Add more linting rules by @Gold856 in #2406
• refactor dark mode checks by @samfreund in #2407
• Add nix files to .gitignore by @spacey-sooty in #2409
• Upgrade to Vite 8 by @Gold856 in #2408
• Remove old camera quirk aliases by @samfreund in #2412
• Fix strong reference in Cleaners by @Bobcat66 in #2404
• Add Community Contribution Guidelines by @gerth2 in #2405
• Add AE quirk to OV2311 by @samfreund in #2411
• Upgrade website dependencies by @samfreund in #2414
• Fix comments in OutputStream pipeline by @spacey-sooty in #2415
• bump rubik image by @samfreund in #2424

New Contributors

• @shdalton made their first contribution in #2372
• @Bobcat66 made their first contribution in #2404

Full Changelog: v2026.3.2...v2026.3.3

Contributors

• @gerth2
• @shdalton
• @samfreund
• @Bobcat66
• @spacey-sooty
• @Gold856

🚨🔥 BIG NEWS, FRC TEAMS — THIS IS THE ONE 🔥🚨

Every team knows the struggle 😵‍💫
The clock is ticking ⏱️
The match is in an hour 🤖
Your camera exposure is wrong 📸
Your pipeline isn’t locking 🎯
And somehow the robot is convinced the AprilTag is on the moon 🌕💀

We built the solution.

Today, we’re beyond excited to announce the biggest, boldest, most game-changing release in PhotonVision history 🚀✨

Introducing Quarky 🧠⚡🤖
Your brand-new live AI assistant, built right into PhotonVision. Originally slated for our MRC bid as a paid extension, now available to teams around the world for free!

Quarky helps you navigate the UI 🖥️, optimize settings 🎛️, tune pipelines 🎯, troubleshoot issues 🛠️, and drop helpful hints 💡 exactly when you need them.

Rookie team just getting vision online for the first time? 🌱
Quarky’s got your back 🙌

Veteran team chasing every last millisecond of latency before finals? 🏁⚡
Quarky is already thinking three frames ahead 👀💨

This is more than an update.
This is a revolution 🌟

Smarter tuning 🧠
Faster setup ⚡
Better targeting 🎯
Less panic in the pit 😅🔧
More confidence on the field 🏆🤖

The possibilities are endless 🌌✨
The only limit is yourself 💭🚀

And maybe RAM.
Definitely maybe RAM 💾😂

PhotonVision just got a whole lot brighter 💡✨
Sharper 🔪
Faster ⚡
And, dare we say... more visionary 👓😎

The future is in sight 👀
And it’s looking absolutely incredible 🚀🔥✨🤖🎯

Major Changes

• Offline updates to a dev release now work, there was a bug introduced that caused them to fail in v2026.3.1
• The issue mentioned in https://www.chiefdelphi.com/t/photonvision-network-tables-known-issue/515966?u=sam948 has hopefully been resolved in #2398. If anybody sees this issue (random NT disconnects) reoccurring, please create an issue or let us know on Discord

Changelog

• Document low-resource vision simulation with Photonvision by @Ruthie-FRC in #2359
• Drop deviceLogoPath and supportURL from HardwareConfig by @cswilson252 in #2389
• Add clarity to networking for multiple coprocs by @samfreund in #2383
• Fix offline dev update confirm handler not starting upload by @MirrorCY in #2393
• correct typo by @Ruthie-FRC in #2395
• Remove NT reconnect loop entirely by @mcm001 in #2398

New Contributors

• @Ruthie-FRC made their first contribution in #2359

Full Changelog: v2026.3.1...v2026.3.2

Contributors

• @mcm001
• @MirrorCY
• @samfreund
• @Ruthie-FRC
• @cswilson252

What's Changed

• add usb firmware checkbox to flashing docs by @samfreund in #2360
• Fix default gateway in static IP config to match VH-109 DHCP config by @rzblue in #2364
• Check offline updates for incompatibility by @samfreund in #2361
• Bring CombinedRuntimeLoader into PV [NFC] by @samfreund in #2367
• Add rotatedrect detections for OD and bump rubik JNI by @samfreund in #2325
• Verify native library integrity during extraction/load by @samfreund in #2368
• Update Dashboard to reflect Calibration Rotation Changes by @Powerlax in #2370
• Add external licenses to jar by @spacey-sooty in #2369
• Explicitly handle Sim Camera params in milliseconds by @cswilson252 in #2375
• docs: Add headless test instructions + reshuffle build doc format by @cswilson252 in #2374
• Add docs for usbtop by @samfreund in #2378
• Bump image version to 2026年1月3日 by @samfreund in #2381

New Contributors

• @Powerlax made their first contribution in #2370

Full Changelog: v2026.2.2...v2026.3.1

Contributors

• @rzblue
• @samfreund
• @spacey-sooty
• @Powerlax
• @cswilson252

What's Changed

• Fix Arducam OV9782 Exposure Changing After Reboot by @Watermilan412 in #2355
• Release processed Focus mat to not leak, cache, and fix cvmat refcounting by @mcm001 in #2356

New Contributors

• @Watermilan412 made their first contribution in #2355

Full Changelog: v2026.2.1...v2026.2.2

Contributors

• @mcm001
• @Watermilan412

Major Changes

• The autoexposure bug with OV9281 cameras has been fixed (thank you Robert from 2881 for helping test)!
• PhotonVision now ships with Object Detection models for this years gamepiece, FUEL. Old models can be found under test-resources/models.
• PhotonVision now supports configuring the number of targets returned in OD, colored shape, and reflective pipelines, up to 127 targets.

What's Changed

• Add OV9281 AE startup quirk by @mcm001 in #1814
• Update PR template by @Gold856 in #2334
• Update README by @Gold856 in #2333
• Check POST request status before displaying success by @Gold856 in #2336
• not 2024 anymore by @gerth2 in #2328
• Add FRC 2026 game piece detection models by @cobouch in #2332
• Update RubikPi Collab Notebook with working Device by @DoctorFogarty in #2339
• Add 2025年3月1日 backwards-compat to ML models by @mcm001 in #2331
• Doc: Add a warning about versions 2.0.2 and later of the Raspberry Pi Imager not working properly by @INeedCaffeine in #2340
• Remove unused commands from the custom hardware configuration documentation by @crschardt in #2343
• Allow configuring maximum target count by @2826WaveRobotics in #2338
• Add missing early-return to legacy ML model load by @samfreund in #2347
• Copy old configs before testing by @samfreund in #2348
• Dynamically import echarts and three.js by @Gold856 in #2349
• Fix dimmable LED off-state, topic names, PWM flicker, brightness update outside kDefault, indefinite blinking, and blinking reliability by @thatcomputerguy0101 in #2337
• Add calibration info tooltip by @DevonRD in #2350

New Contributors

• @cobouch made their first contribution in #2332
• @DoctorFogarty made their first contribution in #2339
• @INeedCaffeine made their first contribution in #2340
• @2826WaveRobotics made their first contribution in #2338

Full Changelog: v2026.1.1...v2026.2.1

Contributors

• @INeedCaffeine
• @gerth2
• @DoctorFogarty
• @2826WaveRobotics
• @DevonRD
• @crschardt
• @mcm001
• @thatcomputerguy0101
• @samfreund
• @Gold856
• @cobouch

The PhotonVision team is excited to announce the first full release for the 2026 FRC competition season! See more at https://www.chiefdelphi.com/t/photonvision-2026-releases-2026年1月1日/512436.

What's Changed

• Vue 3 Upgrade by @GrahamSH-LLK in #1900
• Clean up client dependencies by @GrahamSH-LLK in #1954
• Add basic linux troubleshooting tips by @samfreund in #1885
• [docs] upgrade dependencies by @samfreund in #1958
• Remove manual links from README by @samfreund in #1959
• Remove unused template from docs by @samfreund in #1960
• Disable Alerts test in PhotonCameraTest by @Gold856 in #1969
• Fix Broken Docs by @samfreund in #1971
• Disable linkcheck for gnu.org by @Gold856 in #1973
• [ci] Run on push or PR by @spacey-sooty in #1974
• Fix logic for no cameras detected modal by @samfreund in #1978
• Fix camera setup modal not closing and navigation not working by @Gold856 in #1979
• Migrate NNM Settings to SQLITE by @samfreund in #1894
• Fix usage reporting. by @spacey-sooty in #1964
• Update server index wording by @samfreund in #1984
• Scream test removing a folder from server by @samfreund in #1985
• De-conflict camera names and hostnames by use of a banner by @samfreund in #1982
• Initial hardware support for Rubik pi by @samfreund in #1989
• Set a more sane timeout for WS connections and log WS errors by @Gold856 in #1992
• Reenable and fix flaky tests by @Gold856 in #1837
• Clean up spacing and other things in various parts of the UI by @Gold856 in #1972
• feat: add metrics publisher for NT by @samfreund in #1791
• Clarify and fix OpenCV/WPILib version checking error by @spacey-sooty in #1963
• Refactor MAC address detection by @Gold856 in #1991
• Restore original video mode index order by @Gold856 in #1999
• Make testHeadless output the same stuff as test from photon-lib by @Gold856 in #2000
• Dynamically import dependencies that are not critical to viewing the UI by @Gold856 in #2001
• Fix camera calibration card contents completely vanishing during calibration by @Gold856 in #1998
• Add Gradle wrapper validation by @samfreund in #2004
• Move metrics subtable to root PV table by @samfreund in #2007
• Update metrics publisher hostname when hostname is changed by @samfreund in #2008
• Update logic for metric publisher topic name by @samfreund in #2011
• Add an overload of resetHeadingData() which takes in a Rotation3d by @kcooney in #2013
• [photon-lib] Python support for PNP_DISTANCE_TRIG_SOLVE by @kcooney in #2015
• Add model benchmark data by @boomermath in #2025
• Disable linkcheck for www.gnu.org by @Gold856 in #2030
• Dark mode and minor interface tweaks by @DevonRD in #2016
• RKNN conversion tool by @boomermath in #2024
• Add COCO model for RKNN by @samfreund in #2026
• Revert "Add COCO model for RKNN (#2026)" by @Gold856 in #2033
• Add PR labeler by @Gold856 in #2031
• Switch to pnpm (and update some dependencies) by @Gold856 in #2032
• Fix buildAndCopyUI and update build instructions by @Gold856 in #2036
• Fix labeler labelling everything as backend by @Gold856 in #2041
• Update notebook links by @boomermath in #2037
• Update RKNN Conversion notebook permalinks by @boomermath in #2042
• Add notebook for Rubik Model conversion by @samfreund in #2006
• Add yes pipe for rubik conversion cmd by @boomermath in #2043
• [photon-lib] Invalidate pose cache when setting referencePose by @kcooney in #2040
• Add COCO trained model for RKNN by @samfreund in #2035
• Run metrics with debug false to reduce log spam by @samfreund in #2027
• Expose and document NMS slider by @samfreund in #2028
• Add an error when the connection for the end calibration request fails by @Gold856 in #1840
• Make dashboard theme transition smooth and fix link color by @Gold856 in #2046
• Add support for object detection on Rubik Pi 3 by @samfreund in #2005
• Verify that nmcli installed by @mcm001 in #1929
• Add PNP_DISTANCE_TRIG_SOLVE strategy to C++ by @cuttestkittensrule in #2021
• Remove log spam from periodic network and IP address queries by @crschardt in #2051
• Use new vendor JSON repo action by @Gold856 in #2049
• Only make vendor-json-repo PR if the repo is ours by @Gold856 in #2053
• Only update UI when there's been a change in conflict detection by @Gold856 in #2054
• Fix calibrationUtils.py by @Gold856 in #2055
• Exclude license from being loaded as a model by @samfreund in #2063
• Bump wpiformat to 2025.34 by @samfreund in #2066
• bump gradle to 8.14.3 by @samfreund in #2064
• Preload OD models before import to check quantization by @boomermath in #2056
• Remove codecov from workflow by @samfreund in #2070
• Bump website and docs dependencies by @samfreund in #2075
• Fix 'Resource leak: is never closed' warnings by @kcooney in #2023
• Use deploy-utils instead of an external ssh plugin by @Gold856 in #2077
• Set canonical root URL for documentation by @GrahamSH-LLK in #2078
• Update compatible version to 2025 by @samfreund in #2068
• Set the initial capacity of ArrayLists in getAllUnreadResults() by @kcooney in #2079
• Add custom theming by @DevonRD in #2081
• Publish FPS with camera by @spacey-sooty in #2083
• Update libcameraDriverVersion to v2025.0.4 by @crschardt in #1769
• Add limelight 4 support by @spacey-sooty in #1807
• Properly declare inputs and output for buildClient by @Gold856 in #2086
• [ci] Set versions for image builds to 24.04 by @spacey-sooty in #2092
• Refactor LibCameraJNILoader to use PhotonJNICommon by @Gold856 in #2048
• Modify build-image to use global variable for image version by @Gold856 in #2113
• Fix documentation tab set syncing by @thatcomputerguy0101 in #2109
• Fix file uploads not overwriting existing files by @Gold856 in #2116
• Conglomerate release artifacts by @samfreund in #2115
• Make exported journalctl logs less verbose and always display eve...

Contributors

• @mccv
• @auscompgeek
• @kcooney
• @jlmcmchl
• @calcmogul
• @gerth2
• @r4stered
• @mjansen4857
• @TheTripleV
• @DeltaDizzy
• @DevonRD
• @crschardt
• @mcm001
• @katzuv
• @alaninnovates
• @thatcomputerguy0101
• @ElectricTurtle32
• @cyblazer
• @HENRYMARTIN5
• @boomermath
• @GrahamSH-LLK
• @samfreund
• @tqpcharlie
• @cuttestkittensrule
• @vishnu09bharath
• @Space646
• @spacey-sooty
• @Krylez
• @Gold856
• @JayTicku
• @cswilson252