Hi Fabio,
Not sure what the current bug is, but if you read the release notes, the known issues list all know issues with that specific release, see next link to see the known issues for version 13.5 patch 20. https://docs.imperva.com/bundle/v13.5-release-notes/page/73749.htm
Trust this helps.
Other than that I would like to recommend to have your environment tested in a pre-production before going in production.
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Shailes Nanda
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Original Message:
Sent: 11-12-2019 09:42
From: Fabio Bosatelli
Subject: Have anyone ever experienced serious bugs with version 13.5?
Dear community,
due to a couple of bugs that are preventing us to normally operate the WAF in v13.3, we need to upgrade to v13.5. We would like to make sure that possible bugs in v13.5 are not more critical than those we are facing in v13.3.
Did anyone experience serious bugs with version 13.5?
#On-PremisesWAF(formerlySecuresphere)
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Fabio
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