On 24th of February the following was released:
- ISL Conference Proxy 5.0.2533.91 for for Windows 64bit (Platform=win64, Revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17, req_os_version=0x0a000000-0x7fffffff)
- ISL Conference Proxy 5.0.2533.91 for for Linux 64bit (Platform=linux64, Revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17, req_os_version=0x030a000000-0xffffffffff)
Modules
- Administration 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Audit 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Authentication 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Backup 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Core Login 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- DNS 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- GeoIP 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Integrator 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- ISL AlwaysOn 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- ISL Groop 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- ISL Light 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- ISL Meeting 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- ISL Pronto 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Locale 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- NTP 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- PostgreSQL 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Reports 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- SSL 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- Storage 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
- System Monitor 5.0.2533.91 (revision=f8074169d194945ecafb732d5f5327d66f61ecb2, release_date=2026-02-17)
Translations
- administration_20260217_20260217_114809.translation
- backup_20260217_20260217_114809.translation
- core_login_20260217_20260217_114809.translation
- integrator_20260217_20260217_114809.translation
- isl_alwayson_20260217_20260217_114809.translation
- isl_conference_proxy_20260217_20260217_114809.translation
- isl_groop_20260217_20260217_114809.translation
- isl_light_20260217_20260217_114809.translation
- isl_meeting_20260217_20260217_114809.translation
- isl_pronto_20260217_20260217_114809.translation
- reports_20260217_20260217_114809.translation
- ssl_20260217_20260217_114809.translation
Update availability
All updates have release date set to 2026-02-17. 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
ISL Conference Proxy - Core - Update to libxslt 1.1.45 (SECURITY) [ISLCONFPROXY-3726] More
Descriptionlibxslt was upgraded to version 1.1.45.
ISL Conference Proxy - Core - Upgrade Go to version 1.24.13 (SECURITY) [ISLCONFPROXY-3727] More
DescriptionGo was upgraded to 1.24.13.
ISL Conference Proxy - Core - Upgrade OpenSSL to 3.0.19 (SECURITY) [ISLCONFPROXY-3728] More
DescriptionOpenSSL was updated to 3.0.19.
ISL Conference Proxy - Core Login - Disable legacy U2F authentication and registration (FEATURE) [ISLCONFPROXY-2804] More
DescriptionLegacy U2F authentication and registration were disabled.
ISL Conference Proxy - Core - Automatically update users password storage strength on login (FEATURE) [ISLCONFPROXY-3011] More
DescriptionUser's password storage (hash of password in DB) is now automatically updated on successful login when scheme, number of islhash1 rounds or salt size is larger than current. Storage strength is only increased and never lowered because maximum of current value (salt size or rounds) and current setting is used when upgrading.
ISL Conference Proxy - Core - Remote authenticode for packet generator (FEATURE) [ISLCONFPROXY-3085] More
DescriptionSupport for signing with authenticode on remote ISL Conference Proxy was added. Remote authenticode is enabled when an encrypted base64 blob with remote metainfo is present in license field "Microsoft Authenticode" or "Microsoft Authenticode v2", or in a setting "Use authenticode packed parameters (BASE64)".
ISL Conference Proxy - Core - Add integrator ID and runtime ID to remote codesigned executable (FEATURE) [ISLCONFPROXY-3540] More
DescriptionWhen ICP is performing remote code signing (acting as RCS server) it now adds client ICPs integrator key and current runtime id to codesigned executable. This info can be used to determine on whose behalf this executable was signed, this can be checked in final executable and also in programs unpacked folder in "rcs.ini" file. When executable was signed locally these keys are not set, file is empty.
ISL Conference Proxy - Core - Add long term cache for packet generator (FEATURE) [ISLCONFPROXY-3642] More
DescriptionPacket cache in folder "packetstemp" now uses two types of entries. Short term entries are treated same as before and are deleted on ICP restart while long term cache (prefixed with "lt_") remains even after restart. In case of unclean restart also long term cache is cleared. New setting was added to "/conf -> Configuration -> Advanced -> Performance" to control packet cache size: "Packet generator file cache size limit in MB".
Existing setting "Packet generator minimum cache time in seconds" was removed and this is no longer used, there is no minimum retention time for cache items.
ISL Conference Proxy - Core - Add Translations archive file storage (FEATURE) [ISLCONFPROXY-3654] More
DescriptionNew file storage was added: "Translations (archive)". This is only shown when ICP has "Allow remote authenticode clients" enabled. This storage contains archive (all available) translation files that are used when performing remote code sign (RCS) operations. Client ICP will only send translation file name, actual translation used is from the archive on RCS server. Translations are cached on RCS server, cache size is controlled by the setting (default 100), only latest used translations are kept when cache is overflown.
Translations archive is filled when selecting "Install all" in Online update. This will install all available translation files for module/base to archive (only when "Allow remote authenticode clients" is enabled).
ISL Conference Proxy - Core - Add limitations and sanitizing for zip2minitar_file (FEATURE) [ISLCONFPROXY-3660] More
DescriptionAdditional limitations and sanitizing were added to zip2minitar. Number of extracted files is now limited to 255 and maximum total unpacked size is limited to 64 MB.
ISL Conference Proxy - Core Login - Add weblogin login option to login dialog in native programs (FEATURE) [ISLCONFPROXY-3662] More
DescriptionNew permission 'Allow "Log in with browser" in native applications' was added to /conf -> Security. When enabled, users can use the "Log in with browser" 2FA login method to log in to application through their browser. This option is available when the user has Passkey(s) configured, but the application or operating system does not support them.
ISL Conference Proxy - Core - Program download error page (FEATURE) [ISLCONFPROXY-3664] More
DescriptionIn previous version when program executable generation fails, error 500 was shown. This was redesigned and more informative error page with a retry button was added.
ISL Conference Proxy - Integrator - integrator/remote_authenticode/add/1 (FEATURE) [ISLCONFPROXY-3668] More
DescriptionNew integrator endpoint "integrator/remote_authenticode/add/1" was added, which creates an integrator with RCS capabilities and generates the corresponding license blob. The created integrator has the "remote_authenticode_client" right granted and expects the JWT requests to be signed by the provided private key.
ISL Conference Proxy - Core Login - Add general 2FA passkey support and UX to ICP (FEATURE) [ISLCONFPROXY-3679] More
DescriptionSupport for general (platform, cross-platform(USB, BT, NFC)) passkey support for usage in 2FA was added to ICP login. New passkeys management dashboard was added, available at: "Security -> 2-Step Verification -> Passkey".
The dashboard has the following features:
- List Passkeys: New webapi2 method "security/login/tfa/passkey/list/1" is used to list user's registered passkeys.
- Edit Passkey: Passkeys description can be updated using existing webapi2 "security/login/tfa/u2f/description/update/1" method.
- Remove Passkey: Passkeys can be deleted using existing webapi2 "security/login/tfa/u2f/remove/1". As before, removing the last passkey is rejected in case the user does not have an alternative 2FA login method set-up. In this case user is prompted to turn off 2FA to remove the last passkey.
- Set as default 2FA method: As before Passkeys can be set as default 2FA login method using existing webapi2 "security/login/tfa/method/default/set/1" method.
- Create New Passkey: The registration of new passkey flow has been redesigned to a modal flow, where user selects type of Passkey to create and its description. Passkeys can now be registered using platform authenticators (e.g. Windows Hello, password manager browser extension, ...) or cross platform authenticators (e.g. Security Keys or mobile devices).
ISL Conference Proxy - Meeting - Remove leave button text (FEATURE) [ISLCONFPROXY-3710] More
DescriptionText "Leave" was removed from Leave button in the top bar of ISL Meeting, together with updated SVG icon.
ISL Conference Proxy - Core - Add option to install all programs and translations without the module (FEATURE) [ISLCONFPROXY-3715] More
DescriptionNew option "Install all without module" was added to Online update actions, when ISL Conference Proxy is running in RCS mode. This option will install everything but module itself:
- all programs
- all translations for the archive (but not module translation)
- all plugins
- all actions
New setting "Allowed program download entry points" was added to /conf -> Security, that can be used to control which program download entry points are allowed:
- "Allow all": default, all entry points are allowed
- "Allow only remote authenticode": only "/users/programs/asset/<name>.program/remote_authenticode.bin" entry point is allowed (used for RCS)
ISL Conference Proxy - Core - Raise default islhash rounds to 210k (FEATURE) [ISLCONFPROXY-3720] More
DescriptionDefault islhash1 number of rounds was raised from 10k to 210k.
ISL Conference Proxy - Core - Add setting for remote codesign entrypoint root URL (FEATURE) [ISLCONFPROXY-3724] More
DescriptionNew setting "Remote authenticode program download entry point base URL" was added to "/conf -> Security -> Authenticode" that can be used to control the remote authenticode endpoint base URL, returned by webapi "integrator/remote_authenticode/token/make/1" to RCS clients. If setting is empty (which is default), ICP's public address is used, same as before.
ISL Conference Proxy - Core Login - Call third iteration of webauthn registration webapis from v2400 (FEATURE) [ISLCONFPROXY-3736] More
DescriptionSupport for passkeys as 2fa method was added to v2400 web template.
ISL Conference Proxy - Core Login - Migrate from "U2F API" to WebAuthn API (DEFECT) [ISLCONFPROXY-2764] More
DescriptionIn previous versions using U2F authentication standard as 2FA (Two-factor authentication) method would fail on some browsers, as browsers have deprecated U2F support. This was redesigned, legacy U2F authentication standard was replaced with WebAuthn and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Core Login - Replace deprecated duo-labs/webauthn lib with go-webauthn/webauthn lib (DEFECT) [ISLCONFPROXY-3588] More
DescriptionDeprecated duo-labs/webauthn lib was replaced with go-webauthn/webauthn.
ISL Conference Proxy - Meeting - Add option to force close webview window (DEFECT) [ISLCONFPROXY-3671] More
DescriptionIn previous version WebView window in ISL Light application stayed open when user logged out. This was redesigned and `handleClosing` has been refactored to include an option to force closing of the window, which allows ISL Light to close Webview window on log out.
The defect was fixed.
ISL Conference Proxy - ISL AlwaysOn - aon_zip.js contains a syntax error in error reporting (DEFECT) [ISLCONFPROXY-3676] More
DescriptionIn previous versions syntax error could be shown in error reporting in ISL AlwaysOn module. This was redesigned and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Meeting - Support moving miniplayer using touch input (DEFECT) [ISLCONFPROXY-3698] More
DescriptionIn previous version it was not possible to move the miniplayer window using touch input (or the movement was very jittery). Computation of coordinates was redesigned and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Meeting - Fix missing toastify on create meeting page (DEFECT) [ISLCONFPROXY-3702] More
DescriptionIn previous version missing import was preventing correct error to be shown. This was redesigned, missing imports were added and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Core - image tool does not generate all required icons for macOS (DEFECT) [ISLCONFPROXY-3706] More
DescriptionIn previous version customized icons for macOS applications were not displayed correctly in settings, because image tool only generated macOS icons in PNG format. This was redesigned, smaller icons are now in RGB + mask format and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Meeting - Stop reconsidering send parameters for upstream (DEFECT) [ISLCONFPROXY-3708] More
DescriptionIn previous version user sometimes did not hear audio streams that were active before he joined. This was redesigned and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Core - Code sign operation retries fail if previous attempt already managed to created final file but failed later (DEFECT) [ISLCONFPROXY-3709] More
DescriptionIn previous versions if attempt of code sign operation already managed to create final file but failed later, caused all subsequent retries to fail, as file already existed. This was redesigned, temporary target is removed and issue should not happen anymore.
The defect was fixed.
ISL Conference Proxy - Meeting - Fix wrong resize of spotlight camera stream (DEFECT) [ISLCONFPROXY-3711] More
DescriptionIn previous version spotlight camera stream sometimes did not resize correctly and camera stream was off screen. This was redesigned and camera stream should now be correctly resized.
The defect was fixed.