According to supported matrix, it is 126.96.36.199 - but a new patchset is available 188.8.131.52. Will Oracle/ATG support this ?
Yes, please refer to
Note 1555914.1 - Clarification of Supported Point Releases for Oracle ATG Web Commerce Supported Environments Software
You will see 184.108.40.206 is supported following the guidance in there
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