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Latest Cumulus MX V4 release 4.4.2 (build 4085) - 12 March 2025

Latest Cumulus MX V3 release 3.28.6 (build 3283) - 21 March 2024

Legacy Cumulus 1 release 1.9.4 (build 1099) - 28 November 2014
(a patch is available for 1.9.4 build 1099 that extends the date range of drop-down menus to 2030)

Download the Software (Cumulus MX / Cumulus 1 and other related items) from the Wiki

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Version 4.0 Known Issues

From Cumulus MX version 3 build 3044 the development baton passed to Mark Crossley. Mark has been responsible for all the Builds since, and has recently released Cumulus MX version 4. He has made the code available on GitHub. It is Mark's hope that others will join in this development, but at the very least he welcomes your ideas for future developments (see Cumulus MX Development suggestions).

Moderator: mcrossley

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mcrossley
Posts: 14382
Joined: Thu 07 Jan 2010 9:44 pm
Weather Station: Davis VP2/WLL
Operating System: Bullseye Lite rPi
Location: Wilmslow, Cheshire, UK
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Version 4.0 Known Issues

Post by mcrossley »

The following issues have been identified and will be resolved in future releases
  • If you use Ecowitt Extra Sensors with a main station like a Davis, then there is currently no backfill of the extra sensor data during catch-up.


These issues now resolved:
  • The spike removal for outdoor temperature is not working correctly. A workaround is to set your temperature spike value to 999 - Fixed in v4.0.1
  • The Davis Cloud Station (VP2), is often not decoding the dew point correctly, and the indoor temp/humidity are missing - Fixed in v4.0.1
  • FTP logging causes an error if it is enabled when you start MX.
    Workaround: Disable FTP logging and restart MX. If you need an FTP log, enable logging after you start MX, and stop it again before you shutdown. - Fixed in 4.1.0
  • Wunderground Rapid Fire logs too many errors! - Fixed in 4.1.0
  • Realtime PHP logs too many errors when a single problem occurs - Fixed in 4.1.0
  • If a Davis VP2 console is power cycled, the rain accrued since midnight is lost. - Fixed in 4.1.1
  • JSON Station - Input wind speeds in knots are not currently implemented - Fixed in 4.1.2
  • The latest MigrateData3to4 fails to migrate the day file if your wind speed (gust not average) uses decimal values - Fixed in 2.0.1
  • v4.1.0 - Davis VP2 stations using TCP connections display an error in the station settings. As a workaround until a root cause fix available, you can use the modified JSON files in this post - Fixed in 4.1.2
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