Version 1.5.1
Release Date: 12 November 2025
- Add TLS 1.3 option as a internet security protocol
- Fix update issue for multi channel bar plots 
- Fix tags issue for multi channels
- Ability to go down to 6kHz sampling rate

Version 1.5.0
Release Date: 10 October 2025
- Add signal window to allow inspection of signals and high frequency impulses
- Add Time periods Tab to allow statistical analysis of long, regular time periods
- Change compression format of LVX files to zlib to allow easier import by other programs 
- General fixing of display bugs

Version 1.4.3
Release Date: 15 July 2025
- Apply band pass filter to FFT Form Analysis
- Fix saving of time codes for LVX files when using some regional settings
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Version 1.4.2
Release Date: 10 February 2025
- Add Export Data for FFT Form Analysis
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Version 1.3.6
Release Date: 16 July 2024

- Fix settings for 32kHz and 64kHz sampling rates to remove spectral and time period gaps in LVX files. 
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Version 1.3.5
Release Date: 4 September 2023

- Update licence server communication protocol to TLS ver 1.2. 
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Version 1.3.4
Release Date: 26 November 2020

- Fix bug when selecting levels and exporting to file or clipboard. 
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Version 1.3.3
Release Date: 16 November 2020

- Added ability to read timestamps in RTSys Sylence hydrophone recorder wav files
- If nyquist freq is less than lowpass filter corner freq lowpass filter is not activated when processing wav files.
- Corrected export of all samples to file and clipboard to be spectral weighted. 
- Made Lpeak unselectable when not linear weighted. 
- Crtl+A on charts selects all displayed.
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Version 1.3.2
Release Date: 18 May 2020

- Ensure floats written to LVX, CAL and Weighting files have decimal points regardless of user settings.
  Ensure both decimal point and comma separators are readible in files. This doesn't affect GUI displayed results (decimal points and commas are used in accordance with user settings.
- The overall RMS level is now spectrally weighted in accordance with the weighting selected by the user. The Peak level remains unweighted.  	
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Version 1.3.1
Release Date: 24 April 2020

- Replaced main screen text buttons with icons.
- Added User settings form to burger menu 
- Added hints to front screen buttons
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Version 1.3.0
Release Date: 3 April 2020

- Added user defined spectral weightings option to front screen.
	Weightings defined by user are saved in individual JSON encoded files.
- Made Tags automatically save on creation.
- Calibration of hydrophone is written to all LVX files, not just first file.
- When altering LVX file (by adding a Tag) only affected file is resaved.
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Version 1.2.0
Release Date: 19 August 2019

- First widely distributed release. 
- Added front screen zoomable spectrogram.
