Latest Development Version

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.

v2026.3.2

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

v2026.3.1

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 2026.1.3 by @samfreund in #2381

New Contributors

• @Powerlax made their first contribution in #2370

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

v2026.2.2

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

v2026.2.1

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 2025.3.1 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

v2026.1.1

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-2026-1-1/512436.

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...

v2026.1.1-rc-4

What's Changed

• Bump WPILib to 2026.2.1 by @mcm001 in #2306
• Stop shipping unit tests in photonlibpy wheel by @auscompgeek in #2309
• refactor: separate build, test, and deploy in Python workflow by @auscompgeek in #2308
• Cache requested calibration format outside of state store by @mcm001 in #2310
• Add comment documenting typo copied from COCO docs by @Space646 in #2253
• Remove strict WPILib version requirement by @Gold856 in #2307
• Chore: Updated documentation for Fx/Fy units. by @cyblazer in #2314
• Propagate changes after modifying OD model by @samfreund in #2299

New Contributors

• @Space646 made their first contribution in #2253
• @cyblazer made their first contribution in #2314

Full Changelog: v2026.1.1-rc-3...v2026.1.1-rc-4

v2026.1.1-rc-3

What's Changed

• fix: simplify version regex and fix rc tag handling by @auscompgeek in #2296
• Rknn numpy fix by @boomermath in #2298
• Smoketest after uploading images by @samfreund in #2294
• Loosely pin numpy to 2.3 by @samfreund in #2303

Full Changelog: v2026.1.1-rc-2...v2026.1.1-rc-3

v2026.1.1-rc-2

What's Changed

• chore[docs]: add arducam ESD problem to troubleshooting by @samfreund in #1848
• Remove tag cutting workflow by @Gold856 in #1854
• Recommend Raspberry Pi Imager over Balena Etcher by @Gold856 in #1858
• Update docs dependencies and do some house cleaning by @Gold856 in #1863
• feat: link methods in javadocs to source code by @samfreund in #1866
• chore: bump wpiformat by @samfreund in #1869
• feat: release and development docs versions by @samfreund in #1872
• feat!: monorepo landing page by @samfreund in #1868
• Fix CI for website by @samfreund in #1877
• chore[docs]: Recommend ethernet tether over port forwarding for VH-109 by @samfreund in #1847
• Rename Workflows by @samfreund in #1881
• fixed a spelling mistake by @AstrinLakotaRobotics in #1883
• Add data exchange update to merge checklist by @Gold856 in #1888
• Fix calibration array length by @Gold856 in #1879
• [docs] Update "About Pipelines" list by @alaninnovates in #1889
• [docs] Document driver mode by @alaninnovates in #1890
• Bump Wpiformat by @samfreund in #1892
• [docs] Update best practices by @alaninnovates in #1896
• Clean up .gitignore by @Gold856 in #1897
• Make Vision pose estimation examples use all vision measurements by @spacey-sooty in #1706
• [docs] Update PhotonPoseEstimator examples by @alaninnovates in #1903
• Add documentation issue template by @samfreund in #1907
• remove core and server from javadocs by @samfreund in #1911
• [docs] Update PhotonLib vendor dependency guide by @alaninnovates in #1915
• Log message on robot mode changes by @mcm001 in #1923
• [docs] Reorganize camera configuration pages and add camera matching documentation by @alaninnovates in #1917
• Make various refactors to clean up codebase by @Gold856 in #1830
• Add docs about robot modes by @mcm001 in #1924
• [docs] Minor documentation changes by @alaninnovates in #1922
• Clean up build by @Gold856 in #1926
• Revert "Use Timer object to calculate FPS" by @Gold856 in #1928
• Add leading zero to log file date/time by @mcm001 in #1925
• Updates to object detection documentation by @10tothe6 in #1930
• [photon-lib] Add PhotonPoseEstimator.resetHeadingData() by @bryceroethel in #1933
• [photon-lib] Fix incorrect tag visualization transforms by @amquake in #1899
• Standardize API by @samfreund in #1942
• Remove MacOS builds from releases by @samfreund in #1948
• Add question about method of powering to bug issue template by @samfreund in #1947
• 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 ...

v2026.0.1-beta

Warning

This pre-release has a bug that affects coprocessors using a CSI camera. This includes LimeLights and the Luma P1.
We recommend that users with these devices use our dev image or the alpha-2 image until a new release is published.

What's Changed

• Fix rubik_jni bounding box bug by @samfreund in #2162
• Add Merch link to header by @gerth2 in #2161
• Add progress indicator for single model OD upload by @samfreund in #2154
• Add message discouraging chessboard usage by @tqpcharlie in #2160
• Add Merch link to header on desktop by @Gold856 in #2165
• Fix client linting in CI by @samfreund in #2167
• Add cross-compilation toolchain to docs by @samfreund in #2172
• Gradle build task improvements by @thatcomputerguy0101 in #2164
• Add axios post util by @samfreund in #2153
• use progress bar for file uploads by @samfreund in #2148
• add documentation for linting by @samfreund in #2166
• Add notice to notebook about running on linux by @boomermath in #2163
• [NFC] Invert AprilTag family default by @spacey-sooty in #2124
• Fix bug with import nickname by @samfreund in #2176
• Add support for removing calib coefficients by @samfreund in #2150
• Add warning about arducam-pivariety incompatibility by @tqpcharlie in #2178
• Only show images during tests when requested via project property by @thatcomputerguy0101 in #2177
• Upgrade to wpiformat 2025.48 by @calcmogul in #2186
• Fix "ArUco" and "ChAruCo" spellings by @katzuv in #2184
• Add Camera Focus Mode by @ElectricTurtle32 in #2180
• [ci] Upgrade to wpiformat 2025.69 by @calcmogul in #2193
• Modal template for deletion confirmation by @samfreund in #2190
• [ci] Upgrade to wpiformat 2025.75 by @calcmogul in #2198
• Catch other boards in isRK3588 check by @mjansen4857 in #2199
• Fix PipelineType index mismatch by @Gold856 in #2204
• Fix OV9281 resolution options when libcamera by @spacey-sooty in #2100
• Use updated image metadata by @samfreund in #2209
• Add playwright E2E tests by @samfreund in #2174
• Fix button theming for custom themes by @DevonRD in #2216
• Rename NetworkingCard.vue to GlobalSettingsCard.vue by @samfreund in #2215
• Fix import for GlobalSettingsCard by @Gold856 in #2217
• Update PR linting instructions by @samfreund in #2213
• revert demo domain url by @TheTripleV in #2218
• Update mrcal-java by @Gold856 in #2214
• [NFC] Kill stupid while loop copy in PhotonJNICommon by @mcm001 in #2219
• Optimize UI CPU usage by @Gold856 in #2168
• Remove redundant photon-targeting JNI library load by @Gold856 in #2220
• Prevent slider from going past bounds by @Gold856 in #2222
• Restore original dashboard view behavior by @Gold856 in #2227
• Use photon-image-runner to build images by @crschardt in #2210
• Consistently serialize neural network data by @Gold856 in #2224
• Bump image version to v2026.0.6 by @samfreund in #2228
• Add WireShark dissector by @mcm001 in #2140
• Fix pipeline type when creating a new pipeline being off by one by @samfreund in #2229
• Remove PhotonJNICommon in favor of CombinedRuntimeLoader by @samfreund in #2223
• Fix Jackson being unable to deserialize neural network config by @Gold856 in #2232
• Use diozero for GPIO by @thatcomputerguy0101 in #2171
• Bump wpilib to 2026 beta by @samfreund in #2192
• Fix incorrect hostname on non-managed devices by @Gold856 in #2203

New Contributors

• @tqpcharlie made their first contribution in #2160
• @katzuv made their first contribution in #2184

Full Changelog: v2026.0.0-alpha-2...v2026.0.1-beta