Execute or run a simple SQL query. It will get to its end, then Toad sleeps or hangs for 10 to 20 seconds, and then comes back. Issue happens on the 12.7 version; the 12.6 version works fine or is not affected.
WORKAROUND:
None
STATUS:
Issue fixed in version 12.8. The latest version of Toad for Oracle can be downloaded here.
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