Enhancement: Implemented an optimization that further sped up analysis by about 10%.
New Feature: Added reportAssertAlwaysTrue configuration switch, which flags situations where an assert statement uses an expression that always evaluates to true.
Bug Fix: Fixed edge cases in abstract class detection and reporting of attempts to instantiate an ABC.
Bug Fix: Fixed a couple of behavioral regressions related to the recently-added onlyOpenFiles setting.
Bug Fix: Fixed a regression where imported symbols from unresolved imports were flagged as "unbound" rather than being treated as unknown.