• Add format Quality Factor
• Fix label R+Xj to R+jX
• Add bandwidth command
• some fixes

Note:
This release celebrates the start of sales in switch-science😄
See http://ssci.to/6405 !

• Contributions from @DiSlord
  • shrink flash size
  • fasten sweep
  • added color command
• added lever operation for the electrical delay
• fixed code style

• Merged incredible contribution from @DiSlord
  • font face becomes smart, clear and having variable width
  • update trace color to have good contrast
  • update battery indicator
  • changed marker icon
  • changed focus sign of the lever mode
  • replaced number formatting scheme
  • remove the shell from chibios
  • remove some unused command (info, thread)
  • shrink the size of flash and SRAM
  • cleaned a large amount of the codes
• Lever operation updated
  • disable lever mode change by frequency change
  • clicking lower edge of the left and right changes lever mode to adjust the frequency of the stimulus
  • dragging marker or clicking upper side makes lever mode to adjust the frequency of markers
• Fixed checksum to prevent out-dated configuration from flash

• add marker tracking feature
• make smith value format persistent
• fix freeze in the number pad
• some minor fixes

After updating firmware, recommend doing touch cal and do clearconfig.

• improved accuracy of frequency (fixed #54).
  There were frequency errors distributed in some tens of Hz in stimulus and IF. But now, the error becomes less than 1Hz. (It's ready to implement bandwidth setting as next issue.)

• add marker smith value menu, which enables to select value format LOG, LIN, ReIm, R+Xj, and R+L/C.
• draw marker values in the color of white

• show multiple marker information
• add marker delta mode

• add marker operation groupdelay → edelay

• add lever operations that support shifting center freq, zoom span and marker search
• change touch cal default for 2.8 inch lcd panel
• some minor fixes

After updating firmware, recommend to do touch cal and do clearconfig if traces become scratched.

• add marker function to search maximum and minimum
• update nanovna.py script
• reduce flash size
• add guide after clearconfig
• some minor fixes
• add list of pc tools in README.md

After updating firmware, don't forget touch cal and try clearconfig if traces become scratched.