MX Master: DPI value resets to 1000 after turning off mouse / mouse wake

Created by: oryband

$ solaar config 1 dpi 800
# dpi
dpi = NamedInt(800, '800')

# turn mouse off and on
$ solaar config 1 dpi
# dpi
#   possible values: one of [ 400, 600, 800, 1000, 1200, 1400, 1600 ], or higher/lower/highest/max/lowest/min
dpi = NamedInt(1000, '1000')

$ cat .config/solaar/config.json
{
  "4060:54420744": {
    "_name": "Wireless Mouse MX Master",
    "dpi": "800",  # unquoting this doesn't help
    "smart-shift": 50
  },
  "_version": "0.9.2"
}

Tried also to unquote the DPI value in config.json as suggested in #328 (closed) to no avail.

Any idea what's going on?

$ solaar show
Unifying Receiver
  Device path  : /dev/hidraw4
  USB id       : 046d:c52b
  Serial       : 5562921B
    Firmware   : 24.01.B0023
    Bootloader : 01.08
    Other      : AA.AC
  Has 1 paired device(s) out of a maximum of 6.
  Notifications: wireless, software present (0x000900)
  Device activity counters: 1=201

  1: Wireless Mouse MX Master
     Codename     : MX Master
     Kind         : mouse
     Wireless PID : 4060
     Protocol     : HID++ 4.5
     Polling rate : 8 ms (125Hz)
     Serial number: 54420744
        Bootloader: BOT 18.05.B0018
          Firmware: MPM 11.05.B0018
          Firmware: MPM 11.05.B0018
             Other: 
     The power switch is located on the base.
     Supports 31 HID++ 2.0 features:
         0: ROOT                   {0000}   
         1: FEATURE SET            {0001}   
         2: DEVICE FW VERSION      {0003}   
         3: DEVICE NAME            {0005}   
         4: WIRELESS DEVICE STATUS {1D4B}   
         5: RESET                  {0020}   
         6: BATTERY STATUS         {1000}   
         7: unknown:1806           {1806}   internal, hidden
         8: CHANGE HOST            {1814}   
         9: REPROG CONTROLS V4     {1B04}   
        10: ADJUSTABLE DPI         {2201}   
        11: VERTICAL SCROLLING     {2100}   
        12: SMART SHIFT            {2110}   
        13: HIRES WHEEL            {2121}   
        14: GESTURE 2              {6501}   
        15: DFUCONTROL 2           {00C1}   
        16: unknown:1813           {1813}   internal, hidden
        17: unknown:1830           {1830}   internal, hidden
        18: unknown:1890           {1890}   internal, hidden
        19: unknown:1891           {1891}   internal, hidden
        20: unknown:18A1           {18A1}   internal, hidden
        21: unknown:18C0           {18C0}   internal, hidden
        22: unknown:1DF3           {1DF3}   internal, hidden
        23: unknown:1E00           {1E00}   hidden
        24: unknown:1EB0           {1EB0}   internal, hidden
        25: unknown:1803           {1803}   internal, hidden
        26: unknown:1861           {1861}   internal, hidden
        27: unknown:9000           {9000}   internal, hidden
        28: unknown:9200           {9200}   internal, hidden
        29: unknown:9240           {9240}   internal, hidden
        30: unknown:1805           {1805}   internal, hidden
     Battery: 90%, discharging.