Release Notes

2.25.0

Release date: February 23, 2026

RBRduraturo⁴

The standard instrument just received an upgrade!
Infinite memory and 6x D-cells are housed in a new 100mm wide body, allowing significantly longer campaigns of temperature and/or depth measurement.

RBRsolo⁴ & RBRduet⁴ – Meet the new SL4

Still small in size, but huge in performance - meet the new range of compact instruments from RBR.
The SL4 series maintains any AA battery compatibility and USB-C connectivity, while introducing effectively unlimited memory, multi-rate sampling, and multiple data set capability. But that is not all - new features include:

• Integration of RBRs turbidity (Tu) and chlorophyll-a (chl-a) sensors
• Optional 2x battery extended configuration to double your deployments
• Exchangeable RBR serial sensor convenience - just swap and go any RBR sensor!

Improvements

• RSK-9702 - Improved live plot performance with multiple streaming instruments/sensors
• RSK-11872 - Added RBRglissando profile import and export
• RSK-12373 - Dataset overview page opens access performance with datasets
• RSK-12949 - Updated default storage location for all download and log files

Bug fixes

• RSK-7525 - Missing update of the waves plot (in editor) when the cursor position changes
• RSK-12408 - ODV file exported files are empty