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In the result, look for the "User Agent" line:
Changelog
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GabelHorn V1 (Firefox ESR 60.x, Oracle jre-8u201)
no special change - updated the 2019/06/19 to include fix for CVE-2019-11707: Type confusion in Array.pop
Whymper V3 (Firefox ESR 60.x, Oracle jre-8u192)
- updated the 2019/06/19 to include fix for CVE-2019-11707: Type confusion in Array.pop
- Administrator rights are not asked anymore when installing in a user writeable folder
- Portable Zip version is available: (urls like https://www.secutix.com/FF/Gabelhorn_V1.zip)
- It is now possible to specify the homepage (Silent installer: /HomePage=... )
- New workstation identifier add-on for Firefox Quantum