This release reverts our selector engine back to nwsapi. As discussed in #3659, the performance regressions from @asamuzakjp/dom-selector turned out to be higher than anticipated. In the future, we can revisit @asamuzakjp/dom-selector after it reaches nwsapi's performance on the two real-world benchmarks provided by the community. Since reverting to nwsapi causes several functionality regressions,