rr 4.0 Released for General Availability

Lake Eola Orlando, rr 4.0 for C++ Debugging

Mozilla has announced the release of rr 4.0. The latest release of this tool includes a lot of performance and architectural improvements, bug and stability fixes as well as additional hardware, kernel, and application compatibility.

rr is an open source low overhead record-and-replay debugging tool by Mozilla that is especially good for large C++ applications.

This C++ debugging tool comes with reverse-execution enabled, therefore, is able to support gdb’s reverse-continue, reverse-step, reverse-next, and reverse-finish commands.

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Mozilla actively uses this tool to fix real bugs in the Firefox web browser. This tool can be downloaded from here at Github.