release_notes

This page in other languages:
https://www.apneaboard.com/wiki/index.php/OSCAR_Release_Notes

Changes and fixes in OSCAR v2.1.1
Portions of OSCAR are © 2019-2026 by The OSCAR Team

[new] Headless command line automation for data import
[new] Split oximetry data to match CPAP day split
[new] Portable mode for Windows allows OSCAR to be run from USB stick or SD card
[new] Support Lowenstein Prisma VENT 50-C (experimental)
[new] Support Weinmann SOMNObalance e CPAP
[new] SpO2 drops can be measured from a rolling, whole night, first hour or fixed baseline; rolling is the new default, and whole night and first hour use a selectable percentile (the median by default)
[update] Changing the Oximetry settings now recalculates SpO2 drops and pulse changes for existing data
[update] SpO2 drops now record their depth, and flags are recalculated once with the rolling baseline when a profile is opened
[fix] Alt+Tab did not work on Linux if mouse was over a graph
[fix] At startup confirm that oscar.db is present in its data folder
[fix] Internal code improvements
[fix] Checkboxes in Preferences/Events and Waveforms now show properly on MacOS
[fix] Max pressure was reported incorrectly on Löwenstein Prisma
[fix] Löwenstein rebuild from backup deleted data but then couldn't find its backup
[fix] Fix ring buffer problem in BMC loader
[fix] Don't show empty Insp and Exp Time plots with BMC loader
[fix] Some respiratory event rows were duplicated in the database
[fix] Mac scrolled too fast with CMD + two-finger pull
[fix] Steady Breathing setting is now per-profile rather than global
[fix] Since OSCAR 2.1.0, BMC legacy loader extended previous days
[fix] Change sleep stage color in calendar from cyan to cream
[fix] SpO2 drops in ResMed oximetry data were often missed
[fix] ResMed oximetry filled times with no reading with the last SpO2 and pulse value; they are now shown as gaps, and OSCAR offers to rebuild data imported earlier
[fix] Invalid ResMed oximetry readings could add a wrong SpO2 or pulse value
[fix] Oximeter dropouts were flagged as pulse changes or stretched SpO2 drops
[fix] Declining Oximetry Reset Defaults still reset some settings
[fix] Automatic Oximetry Cleanup removed SpO2 drop and pulse change flags without recalculating them
[fix] Remember secondary sort order of Profiles table, not just last sort
[fix] Fix various typos and grammar errors and US vs UK English differences
[fix] Support BMC SD card with summary data only
[fix] Compressing backups on import of Resmed data with non-Latin characters in path failed
[fix] Sefam S.Box was not always reporting AHI and events
[fix] Cosmetic changes to Layout dialog

Changes and fixes in OSCAR v2.1.0
Portions of OSCAR are © 2019-2026 by The OSCAR Team

[new] Support for Yuwell YH-560, YH-920
[new] Support the Yuwell YH-480C with per-minute leak
[new] Sefam S.Box, Néa, Sanrai Reve Auto now supported
[new] Apex Medical Apex XT now supported (experimental)
[new] BMC G3X E5 B25A Plus supported
[new] Apple Health Files now supported (experimental)
[new] Central and Obstructive Hypopneas shown when reported by Sefam, BMC G3X, and Lowenstein Prisma CPAP
[new] Ukrainian language added
[update] Present clearer instructions on first use of OSCAR
[update] Give user option not to update database schema
[update] Central and Obstructive AHI are now reported (AHI = central AHI + obstructive AHI)
[update] Left sidebar checkboxes are now remembered
[update] Resmed Lumis 150 is now identified properly
[update] Improvement to the steady breathing waveform
[update] Device Settings updated for ResMed iVAPS, S, ST modes
[update] Show absent fields in summary database files as NULL rather than as zero
[update] Löwenstein prisma20A now identified and supported
[update] Change displayed product and shortcut names from "OSCAR 2.0" to "OSCAR 2"
[update] Add Lowenstein humidifier level and empty chamber detection
[update] Show Oximeter Information block for oximeter data included with CPAP data
[fix] AHI and RDI values in session_summaries table were incorrect and have been fixed
[fix] Resmed AirSense 11 CSR event not shown if none have ever been seen
[fix] Resmed loader would occasionally show zero pressure
[fix] Handle missing waveform data in BMC legacy loader
[fix] Correct occasional mishandling legacy BMC data
[fix] Show correct device settings for BMC G3X
[fix] Fix leak over redline error on Lowenstein loader
[fix] Fix display of pressure graph from some loaders
[fix] Date range selection was not working in Version 1 CSV export
[fix] OSCAR 2.0 migration now identifies active OSCAR 1.x data folder
[fix] Loader version not updated in database when changed
[fix] Cleanup profile selection page after active profile is deleted
[fix] Fix crash when changing graphics engine after importing data
[fix] Fix graphics scrolling problem on MacOS (experimental)
[fix] AHI 0.0 now shown properly below indexes section
[fix] Correct labels on Overview graph is user has specified RDI to be shown
[fix] Daily Summaries table not updated after import for PRS1 and Lowenstein loaders
[fix] Fix some missing translations on file and other system dialogs
[fix] Update calendar display after deleting data for range of days
[fix] Fix unable to open profile when database is on a network share
[fix] Screen capture sometimes captured screen in large black area
[fix] Fix restart to use software graphics engine on Windows ARM64
[fix] Fix Greek words that were mixed into 27 Czech and 4 Danish translations
[fix] Fix date formatting when using Czech language
[fix] Remove 7 stray characters in Afrikaans, Danish, Filipino, and Hebrew translations
[fix] Work around Qt problem for MacOS 27 or greater
[fix] Bug in PRS1 loader that skipped some old data
[fix] Adjust graph dotted line colors for percentiles to keep them distinct and repeatable
[fix] Revise File>Database>New dialogs to match initial OSCAR startup dialogs
[fix] OSCAR hung when creating a new profile (regression in 2.1.0-beta-1)
[fix] Update French translations
[fix] Prisma loader could sometimes create an invalid machine
[fix] Somnopose data not saved and inclination and orientation graphs were empty (regression in 2.0.0)
[fix] Prevent loop when exporting journal data of a profile with no days
[fix] Fix F12 screen shot with nVidia and high resolution displays
[fix] Remove dead code left over from OSCAR 1.7
[fix] Imported journal data not saved to database
[fix] Clean up some rare situations where data was not saved to database
[fix] Restore profile now works correctly on Mac

Changes and fixes in OSCAR v2.0.1
Portions of OSCAR are © 2019-2026 by The OSCAR Team

[update] Add more fields to Session/by Session and Daily/by Day CSV reports
[update] Support BMC G3X SD cards with only summary data
[update] Restore OSCAR 1.x CSV Export Wizard as Version 1 CSV Reports
[update] Update translations
[fix] Fix Resmed loader error when session starts <60 sec after previous one ends
[fix] Fix installer for Windows with Snapdragon processor
[fix] Legacy BMC loader handles missing data on SD card better
[fix] Fonts not set correctly when changed in Preferences settings
[fix] Add diagnostics to OSCAR 1.x import errors
[fix] Don't import obviously corrupt session data
[fix] Show progress during profile import while copying backup files
[fix] Cancel button during profile import will cancel operation correctly
[fix] Improve Steady Breathing event detection
[fix] Correct Viatom POD2 import
[fix] Session length on Event Flags graph now matches selection period
[fix] Graph and Event options now show selected choices as white tick on blue background
[fix] Ensure that initial window is fully on screen in Windows
[fix] Show WebDav drives on Windows when looking for CPAP SD card
[fix] Sessions disabled in 1.7.1 should remain disabled after import into 2.0
[fix] Fix spin box controls in Edit Profile dialog
[fix] System Information dialog can be copied to clipboard

Major Update

[new] Migrated OSCAR and OSCAR data to an SQL database

[new] Share part of a profile with other users

[new] CSV export of data in the database

[new] Access to all OSCAR data from other programs

[new] Adjust CPAP times as needed and align data from oximeters (replaces CPAP clock drift)

Backup, Restore, and Share Profile

[new] Share part of a profile by file or direct to Dropbox or Google Drive

[new] Restore a shared profile from file or from a URL

[new] Backup and restore part or all of a profile

Data Export

[new] CSV export format has predefined and user configured templates

[new] Journal notes can be exported as a report

[new] Demo program and specs showing how to read data from OSCAR using Python

Loaders

[new] Support for ReactHealth/BMC G3 and G3X CPAP

[new] Support for Yuwell YH-580, YH-690, YH-820, YH-825, YH-830 CPAP

[new] Support for BMC G3 B20A legacy format CPAP

[update] Added identification of Lowenstein prisma25S and prisma25ST

[update] BMC G3X loader distinguishes mask-on from total-hours

[update] Check whether SD card being imported is same as last time (disable check in Preferences)

[fix] Rebuild from backup was destroying backup data in BMC loaders

[fix] DST change caused data loss in BMC loader

[fix] Y-Axis Default vs Auto-fit options not working with BMC and G3X loaders

[fix] Correct session start time if ResMed EDF start date is corrupted

[fix] Correct import second session of day with ResMed 11 series machines

[fix] Viatom now accepts 100% SpO2 without warning

Profiles

[update] Profile selector sort order is remembered across restarts

[update] Show disk information no longer requires a profile be open

[fix] New profiles get default channel settings, not copied from another profile

Edit Profile

[new] Allow user to change profile name

[update] Remove password support

[update] Remove DST zone in edit profile dialog

[update] Add instructions and clean up Edit Profile dialog

Database Support

[new] Advanced user can have multiple databases and switch between them

[fix] Prevent two OSCAR instances from opening the same database at the same time

[fix] Show "please wait" dialog if taking > 2 sec to delete a database

[fix] Automatic database integrity check at startup

[fix] Troubleshooting has database integrity check and compression options

Welcome Page

[fix] Welcome page information is now legible when system is in dark mode

[fix] Date on Welcome page is translated properly

[fix] Show AirSense 11 icon on Welcome page for AirSense 11 CPAP

Daily Page

[new] Adjust times for CPAP with wrong times and align data from oximeters and other devices

[update] Add optional session bars to SpO2, Pulse, and Movement graphs

[update] Update large leak and redline terminology

[update] Graph titles shrink to avoid being too large to fit

[update] Calendar date shown as italic if a bookmark exists for the day

[update] Calendar date colors and font attributes changed

[update] Right align numbers in Statistics panel on Daily page

[update] Feelings meter on Daily Notes panel now has a range of 0 to 100

[update] Clarify feelings button on Daily Notes panel

[fix] Popout Daily Time at Pressure graph now works properly

[fix] Popout graphs now paint properly

[fix] Printed Daily page box around notes is sized appropriately

[fix] Printed Daily page omitted last graph if only one graph on page

Overview Page

[update] Tooltips on Overview page no longer overlap the cursor

[update] Overview bilevel pressure graph now shows maximum IPAP reached during day

[fix] Crash in Overview page if mouse moves over no data

[fix] Overview graph heights not reset by Preference dialog

Statistics Page

[new] Add Steady Breathing to new Other Statistics section on Statistics page

[update] Changes to Device Settings on Statistics page allows similar machines to be combined

[update] Right align numbers on Statistics page

[update] Statistics page shows oximetry data for data recorded by CPAP machine

Preferences

[new] CPAP Clock Drift is replaced by menu item Data/Time Corrections

[update] User can set opacity of grid lines on graphs

[update] User can use cross-platform Fusion theme

[update] Add option to combine similar machines on Device Changes report

[update] Add option to enable multiple database support

[update] Remove high resolution preference used for Qt5 in OSCAR 1.7.1

Translations

[new] Automate language translations when translator not available (experimental)

[update] Translations for French, German

[update] Fix assorted translation issues

[fix] Correct translations in system dialogs (OK and Cancel buttons etc)

[fix] Preferences Dialog "older than" date was mangled when translated

[fix] Dates in various places are translated properly

User Interface

[update] Improve messages when no profile is open but one is required

[update] Right sidebar shows AHI or RDI as set in preference setting

[update] Restore right sidebar to previous state when OSCAR is opened

[update] System information panel now reports database schema version

[update] Remove profile name from title bar when taking screenshot

[update] Support running several copies of OSCAR on different data folders simultaneously

[fix] Dialogs and other screens now legible if system is in Dark mode

[fix] [Windows only] Bottom of OSCAR window won't hide behind taskbar when OSCAR starts

[fix] Progress dialog was blank during Resync Device Detected Events reprocessing

Startup Options

[update] Improve startup performance

[update] Holding Shift key down at startup toggles between OpenGL and software graphics engines

[update] Add --OpenGL command-line option to force OpenGL graphics engine

Miscellaneous

[update] Remove ANGLE graphics engine option (not supported in Qt6)

[update] Record more of debug log if there is a crash

[fix] Fix various DST edge cases

[fix] Fix latent bugs that might cause a crash

[fix] Screen capture with no profile open caused a crash

Released under the GNU General Public License version 3