On 11th of April 2022 the following was released:
ISL Conference Proxy
- ISL Conference Proxy 4.4.2044.94 for for Windows 64bit (Platform=win64, Revision=79e1efa2627b5122792c5572e11c33721176a7e0, release_date=2021-03-22, req_os_version=0x06010000-0x7fffffff)
All updates have release date set to 2021-03-22 or earlier. Your ESS will need to be same or higher to be able to fully update your server.
These are server side updates so hosted service users do not need to do anything.
Installer links for fresh install or upgrade:
ICP 4.4.2044.94 win64 installer
Repository links for manual update:
Latest (smaller): https://www.islonline.com/system/ISL_Online_software_repository_Japan_latest.zip
Full (bigger): https://www.islonline.com/system/ISL_Online_software_repository_Japan.zip