Question about non-Arylic product

If I understand correctly, the new firmware discussed here, is that one, right: New 4stream App and Firmware Upgrade 4.6.328252 - News / Firmware Update Log - Arylic Forum? The one, that broke multi-room compatibility with other devices?

I have just acquired a GGMM E3 and would like to be able to pair it with my Arylic S10’s. Will it help if you setup the redirection for my device, too? Thanks!

{
  "language": "de-DE",
  "ssid": "GGMM_E3_A6D4",
  "hideSSID": "0",
  "SSIDStrategy": "0",
  "firmware": "4.2.8506",
  "build": "release",
  "project": "GGMM_E3",
  "priv_prj": "GGMM_E3",
  "project_build_name": "a31ggmmalexa",
  "Release": "20200706",
  "branch": "stable/wiimu-4.2",
  "group": "0",
  "expired": "0",
  "internet": "1",
  "uuid": "FF310080B5B58552F85437D8",
  "MAC": "00:22:6C:83:A6:D4",
  "STA_MAC": "00:22:6C:83:A6:D6",
  "CountryCode": "CN",
  "CountryRegion": "1",
  "date": "2023:01:06",
  "time": "22:30:10",
  "tz": "0.000000",
  "dst_enable": "1",
  "netstat": "2",
  "essid": "7368616B",
  "apcli0": "<redacted>",
  "eth2": "0.0.0.0",
  "hardware": "A31",
  "VersionUpdate": "0",
  "NewVer": "0",
  "mcu_ver": "61",
  "mcu_ver_new": "0",
  "dsp_ver_new": "0",
  "ra0": "10.10.10.254",
  "temp_uuid": "6A7978BB1A5AC6E5",
  "cap1": "0x0",
  "capability": "0x28e84000",
  "languages": "0x4",
  "alexa_ver": "20180604",
  "dsp_ver": "0",
  "streams_all": "0x7ffffffe",
  "streams": "0x7ffffffe",
  "region": "unknown",
  "external": "0x0",
  "preset_key": "6",
  "plm_support": "0x0",
  "spotify_active": "0",
  "lbc_support": "0",
  "WifiChannel": "9",
  "RSSI": "-85",
  "battery": "0",
  "battery_percent": "0",
  "securemode": "1",
  "auth": "WPAPSKWPA2PSK",
  "encry": "AES",
  "psk": "<redacted>",
  "iot_ver": "1.0.0",
  "upnp_version": "1005",
  "upnp_uuid": "uuid:FF310080-B5B5-8552-F854-37D8FF310080",
  "uart_pass_port": "8899",
  "communication_port": "8819",
  "web_firmware_update_hide": "0",
  "web_login_result": "-1",
  "ignore_talkstart": "0",
  "silenceOTATime": "",
  "ignore_silenceOTATime": "1",
  "new_tunein_preset_and_alarm": "1",
  "iheartradio_new": "1",
  "new_iheart_podcast": "1",
  "security": "https/2.0",
  "security_version": "2.0",
  "privacy_mode": "0",
  "user1": "311:524",
  "user2": "1896:2097",
  "DeviceName": "GGMM_E3_A6D4",
  "GroupName": "GGMM_E3_A6D4"
}