Next update v2.6.6 - upon customer request.

Backlog:
- Clear for now. Email us for feature requests!
- Debug touchpad on macOS

Planned firmware v15:
- Implement SCPI standard. [Backwards-compatible with existing protocol.]
- Store jitter calibration in firmware, perform automatic jitter correction in software.
- Allow user to specify max timeout for R command.
- Bugfix: Setting low CDF tolerance leads to long response times.


Version 2.6.5 (2024-05-04):
- Add relative measurements (phase, delay, relative gain).
- Backend stability improvements (Windows) - more robust communication error handling
- Bugfix: GL init failure on some Wayland environments (Linux)

Version 2.6.4 (2024-04-20):
- Calculate and display sampling timescale (user manual Section 2.2.7) in power-user mode.
- Menu option to enable/disable tooltip help system
- Allow import and measurements on exported (multivalued) CDF data
- Show measurement markers for math channels
- Bugfix: Measurement markers not visible for imported traces
- Bugfix: Hide measurement markers for hidden channels


Version 2.6.3 (2024-04-04):
- Added tooltips on hover to all controls (built-in help)
- Axis bounds now coincide with first and last points in timebase. [CDF cropping region changed. Mainly noticeable in power-user mode.]
- Added interactive FFT cursor, readout for peak markers and harmonics
- Bugfix: Running then exiting software leaves 16-bit CDF format enabled for serial interface.
- Bugfix: CDF tolerance not reset to 1% on startup
- Bugfix: (Power-user mode) CDF search range sometimes set too small by auto setup
- Bugfix: Jitter measurement displays a value with de-embedding enabled (operations not compatible)

Version 2.6.2 (2024-03-20):
- Ctrl+S saves current workspace to default.json
- Label time axis in distance (for TDR/TDT)
- Slew rate measurement (V/ns)
- Markers for pulse width measurements
- Fast mode (for v14 firmware)
- USB DFU (for v14 firmware)
- Serial communications pipeline (for v14 firmware)
- Data no longer taken for hidden channels
- Max Nmin now 250, max K now 500k without software fallback (v14 firmware)
- Rescale manual jitter analysis window when changing probe attenuation
- Bugfix: Automatic jitter analysis region not scaled with probe attenuation
- Bugfix: Min/max hold not scaled with probe attenuation

Version 2.6.1 (2024-03-10):
- Measurement markers for PP/min/max measurements
- Bugfix: Graphical glitch in color-grading mode on some Nvidia graphics cards
- Bugfix: Measurement markers do not scale with probe attenuation
- Bugfix: Measurement markers incorrect with de-embedding enabled
- Bugfix: Trigger marker/level do not scale with probe attenuation

Version 2.6.0 (2024-03-09):
- RMS and P-P jitter measurements, local histograms (select region)
- Allow risetime/falltime measurements in point mode
- Show measurement markers where applicable
- Increase range of color-grading

Version 2.5.12 (2024-03-02):
- Increase maximum CDF K to 200 (software fallback above 100)
- Increase maximum CDF Nmin to 500000 (software fallback above 30000)
- Enforce CDF monotonicity for speckle reduction
- Bugfix: Min/max not visible if color selection is canceled
- Bugfix: Histograms not scaled properly with probe attenuation
- Bugfix: CDF settings not saved
- Bugfix: Custom values for vertical scale not saved

Version 2.5.11 (2024-02-25):
- Allow measurements to be edited
- Track measurement statistics (min/max/avg/pp/stdev/etc.)
- Export measurement data
- Add pulse width measurements
- Quick add all standard horizontal/vertical measurements for a channel
- Quick remove all measurements for a channel
- Automatic reconnect if scope is unplugged
- Color picker for min/max
- Bugfix: Brightness slider does not respond smoothly at low update rate
- Bugfix: Attenuation does not update when acquisition stopped
- Bugfix: Measurements loaded improperly from settings file when measurements exist

Version 2.5.10 (2024-02-23):
- Automatic setup for vertical offset/scale and trigger level.
- Color-grading for multivalued signals
- Allow double-click when selecting device on startup
- Always show reset button when vertical scale is "Custom"
- Allow smaller vertical scales (1 mV/div)
- Keep settings from last closed FFT window when opening new one
- Include FFT configuration when saving settings
- Bugfix: Dialog boxes briefly flash on startup

Version 2.5.9 (2024-02-12):
- Bugfix for graphical flickering on some graphics cards.
- Bugfix for crash when saving settings with scope unplugged.

Version 2.5.8 (2024-02-11):
- More intuitive input boxes (no SI prefix assumed unless explicitly entered)
- Quick reset buttons on all input boxes
- Improved vertical scale UI ("custom" option in dropdown)
- Improved min/max hold UI
- Allow channel markers to be dragged indefinitely beyond edges of screen
- Histograms for math channels
- Extended timebase settings: set start, end, step (power-user mode)
- Select timebase zoom origin (power-user mode)
- Manually set CH1 CDF search range (power-user mode)
- Improved high-frequency trigger response (default mode)
- Load default workspace on startup (default.json)
- Optimized rendering (60 fps)
- Bugfix: Occasional NaN due to shared memory violation

Version 2.5.7 (2024-02-03):
- Show RMS noise in vector trace mode
- Histograms (Tools -> Show Histograms)
- Show device information
- DC offset trim tool
- Math channel support
- Min/max hold, and mean (as math channels)
- Add THD measurement to FFT
- Allow unlimited number of measurements
- Allow arbitrary vertical scales and high-voltage probe attenuation (10000x)
- Bugfix: Update axis labels when manually changing vertical offset

Version 2.5.6 (2024-01-26):
- Minor update to remove glitch workaround, pending firmware fix.

Version 2.5.5 (2024-01-21):
- Light mode
- Coax de-embedding (VNA import or construct equipment chain)
- Save/recall workspace settings
- Stream sweeps to disk
- Import and overlay saved waveforms
- Workaround for issue causing occasional waveform glitches in some units
- Document serial interface

Version 2.5.4 (2024-01-11):
- Text now conforms to accessibility guidelines
- Better support for low sample rates (<100 ktrig/s)
- Allow entering probe attenuation in dB
- Disable brightness slider in vector trace mode
- Export dialog allows multiple selection
- Timebase labels can be shifted on a per-channel basis
- Added draggable markers for T=0 (trigger point) and holdoff
- Fix bug when scrolling and dragging channel marker simultaneously
- Add 1V/div and 2V/div channel scales
- Expose CDF sampling options

Version 2.5.3 (2024-01-04):
- Add support for macOS
- Fix crash on specific serial errors
- Speed up CDF rendering

Version 2.5.2 (2024-01-02):
- Initial public release