ISL Network Start 4.4.2526.5 for Windows and macOS (2025-10-07)
General Information
On 7th of October the following was released:
- ISL Network Start 4.4.2526.5 for Windows (release_date=2025-10-03, os_version=0x06010000-0x7fffffff, build=2b8df29c65b681da2884608f1c739337a7199b6c, platform=win32)
- ISL Network Start 4.4.2526.5 for macOS (release_date=2025-10-03, os_version=0x0a0e00-0x1bffff, build=2b8df29c65b681da2884608f1c739337a7199b6c, platform= mac)
Update availability
All updates have release date set to 2025-10-03. Your ESS will need to be same or higher to be able to update your server. This release is available to all countries except Japan.
Upgrading to new version
This are server side updates so hosted service users do not need to do anything.
Server license users please check Upgrading Server License
Improvements
Description
The log line of ISL Start now includes ecdh_ctx log key which shows which algorithm was used to establish the shared secret.
Description
Support for sending crash reports of ISL Start to ISL Conference Proxy was added. The crash reports are only sent when application crashes on Windows operating system.
Description
LZMADecode was removed from hefa-rpt and XZ is now included as a default in all builds of hefa-rpt.
Description
MbedTLS cipher suite used was simplified to be similar to server OpenSSL cipher suite. Additionally the following ciphers were removed:
- DHE
- ECDH
- CAMELLIA
- 3DES (except TLS-RSA-WITH-3DES-EDE-CBC-SHA)
Description
ISL Start progress dialog was shown using the old style of the dialog. The issue was due to missing files and thus the dialog style used old implementation. The files were added and the progress dialog is now shown correctly again.
The defect was fixed.
