scope-capture 0.3.0, with some new goodies: https://github.com/vvvvalvalval/scope-capture
brkqt(SPY QuieTly), useful for preventing large outputs from drowning your REPL. Thanks to @djebbz for the idea. Docs.
:sc/called-from: only log / record an Execution Point when invoked from some upstream caller. Useful for spy-ing inside generic functions which get called a lot when you trigger execution. Docs.