Release Notes

2.25.1

Release date: May 15, 2026

New Features

• Generation 3 standard instruments: Added support for firmware v1.161 (104)
• Generation 3 modules: Added support for firmware v1.009 (FE-serial3)
• Generation 4 compact instruments: Added Auto-deploy feature
• Generation 4 compact instruments: Added discover sensors functionality for simulated instruments
• Generation 4 compact instruments: Updated autonomy estimation
• Generation 4 compact instruments: Added support for firmware v1.0.2 (130, 131)
• Generation 4 instruments: Added support for firmware v1.0.1 (150)

Improvements

• RSK-12381 - Generation 4 compact instruments: Improved disconnect detection over serial
• RSK-13287 - Generation 4 compact instruments: Auto-deploy now preserves the configured schedule order across instruments
• RSK-13388 - Updated naming convention for downloaded calibration certificate zip files
• RSK-13484 - Generation 4 compact instruments: Auto-deploy button state now persists correctly when configuring multiple instruments
• RSK-13491 - Generation 4 compact instruments: Incompatible sampling rates are now blocked for slow sensors
• RSK-13528 - Generation 4 compact instruments: Resolved issue preventing schedule disabling following exchangeable sensor discovery
• RSK-13531 - Generation 4 compact instruments: Limited battery chemistry and sampling rates for certain configurations
• RSK-13555 - Generation 4 compact instruments: Discover sensors now properly refreshes the plot channel table
• RSK-13668 - Generation 4 instruments: Allow K-factor selection
• RSK-13716 - Generation 4 compact instruments: Calibration channel list now refreshes after running sensor discover
• RSK-13800 - Deployment information is now validated when configuring an instrument

Bug fixes

• RSK-12887 - Fixed Ruskin launch failure after update
• RSK-13016 - Generation 4 compact instruments: Download cancellation now properly deletes partial files
• RSK-13119 - Fixed zip files created on Windows failing to open on macOS
• RSK-13141 - RSK 3.2.0: Fixed appending failure when surpassing caching threshold
• RSK-13156 - Resolved inability to locate barometer reference data for certain RBRduet⁴ D.Tu|deep units
• RSK-13267 - Generation 4 compact instruments: Fixed dataset page refresh issues
• RSK-13277 - Generation 4 compact instruments: Disconnecting a simulated instrument now correctly removes the transport
• RSK-13385 - Generation 3.5 instruments: Fixed deployment estimate display limiting
• RSK-13429 - Fixed crash when downloading datasets with schedules that no longer exist in the instrument
• RSK-13435 - Resolved multiple save prompts during download when triggered from the navigator
• RSK-13441 - Generation 4 compact instruments: Fixed file path and naming issues during downloads
• RSK-13445 - RSK: Generation 4 data storage format incorrectly showing Generation 3 formats
• RSK-13500 - Fixed RSK file appending processing indefinitely on reopen
• RSK-13502 - Download latest now correctly downloads the most recent dataset
• RSK-13506 - RBRduet⁴ D.x: Polling now plots correctly with a sensor attached
• RSK-13509 - Generation 4 compact instruments: Auto-deploy no longer decreases estimated deployment life
• RSK-13523 - Generation 4 compact instruments: Fixed download appending that would never complete
• RSK-13534 - Generation 4 compact instruments: Fixed autonomy figures not always updating properly on MacOS
• RSK-13544 - Generation 4 compact instruments: Renamed sensor T.ODO to ODO
• RSK-13564 - RBRduraturo⁴: Resolved inability to modify scheduled date
• RSK-13571 - Generation 4 compact instruments: 2x battery units now correctly calculate autonomy based on doubled capacity
• RSK-13601 - Fixed display issue with fast sampling rates for certain instruments
• RSK-13607 - Generation 3.5 instruments: Downloads now preserve the user-entered dataset label
• RSK-13608 - Generation 4 compact instruments: Fixed dataset data source not resetting between downloads in multi-download workflows
• RSK-13621 - Generation 4 compact instruments: Calculated end time no longer exceeds a realistic date
• RSK-13622 - Generation 4 compact instruments: Fixed file save dialog path on macOS
• RSK-13633 - Generation 4: Start time is now written in instrument timezone rather than PC timezone to combat daylight savings changes
• RSK-13648 - Generation 4 compact instruments: Fixed handling of exchangeable-sensor instruments that have no schedules configured
• RSK-13651 - Fixed a case where Ruskin could not open existing live files
• RSK-13701 - Generation 4 compact instruments: Fixed multi-download appending for both API and Mass Storage paths
• RSK-13704 - Generation 3 instruments: Download cancellation no longer shows the download-failure popup
• RSK-13722 - Generation 4 compact instruments: Invalid-dataset error messages no longer appear when a download is cancelled
• RSK-13868 - Fixed a delay during live-file initialization that could prevent streamed samples from appearing immediately