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The certification matrix for browsers gives your the minimum version (the + in "31+" for example means version 31 or above, so 32 etc.).
Of course the problem is that the certification matrix is aware of browser existing when the matrix is produced, they can't be aware of the version of browser released 2 years later.
So you can't expect the matrix to tell you up to which version of browser, when does the "+" stop.
Older version like 184.108.40.206 had issues in the past with some upgrades of browser, and compatibility was fixed with patches (in OBIEE) few weeks/months later.
220.127.116.11 first release was in 2013, so in 4 years browsers changed a lot, that's why the various bundle patch often included fixes for browsers issues.