A partial list of related previous threads:

Print Debugging Should Go Away - https://news.ycombinator.com/item?id=26955344 - April 2021 (244 comments)

Using time travel to remotely debug faulty DRAM - https://news.ycombinator.com/item?id=24589597 - Sept 2020 (62 comments)

Rr: Capture, Replay, and debug GDB traces - https://news.ycombinator.com/item?id=23510627 - June 2020 (1 comment)

Time Traveling Linux Bug Reporting: Coming in Julia 1.5 - https://news.ycombinator.com/item?id=23069372 - May 2020 (21 comments)

Debuggers Suck - https://news.ycombinator.com/item?id=21644866 - Nov 2019 (257 comments)

rr: lightweight recording and deterministic debugging - https://news.ycombinator.com/item?id=18388879 - Nov 2018 (52 comments)

Control Flow Visualizer (CFViz): an rr / gdb plugin - https://news.ycombinator.com/item?id=15993938 - Dec 2017 (3 comments)

Rr 5.0 Released - https://news.ycombinator.com/item?id=15191445 - Sept 2017 (3 comments)

Rr 4.5.0 Released - https://news.ycombinator.com/item?id=13572133 - Feb 2017 (2 comments)

Rr 4.4.0 Released - https://news.ycombinator.com/item?id=12617332 - Oct 2016 (1 comment)

How to Track Down Divergence Bugs in Rr - https://news.ycombinator.com/item?id=11846189 - June 2016 (1 comment)

Debugging Leaks with rr - https://news.ycombinator.com/item?id=10573308 - Nov 2015 (4 comments)

Rr 4.0 Debugger Released with Reverse Execution - https://news.ycombinator.com/item?id=10441618 - Oct 2015 (11 comments)

Rr records nondeterministic executions and debugs them deterministically - https://news.ycombinator.com/item?id=8817954 - Dec 2014 (9 comments)

Rr 3.0 Released with x86-64 Support - https://news.ycombinator.com/item?id=8734502 - Dec 2014 (6 comments)

Porting rr to x86-64 - https://news.ycombinator.com/item?id=8543624 - Nov 2014 (9 comments)

RR: lightweight execution recording and deterministic debugging - https://news.ycombinator.com/item?id=7458554 - March 2014 (2 comments)

If any George RR Martin stories got mixed in there, let me know.