The MSBMB Special Interest Group (SIG): Mushroom Science has hosted the 4th edition of the Mushroom Science Virtual series alongside the Royal Society of Biology (UK) Southeast Asia Branch on 18 - 19 October 2023, via Zoom. Members of MMRG are the backbone of the MSBMB SIG: Mushroom Science, who diligently made this event successful, surpassing the performance of the previous three editions. More information can be found in the following websites: - https://msbmb2010.wixsite.com/msv2023 To those who attended, thank you for joining us in MSV 2023!