SpECTRE Cauchy Characteristic Evolution

I present advances and early results from the Cauchy Characteristic Evolution (CCE) development in SpECTRE. We have developed a number of mathematical refinements of the CCE system that improves spectral convergence and eases the computation of detailed dynamical spacetime information at scri+. The result is an efficient code, free from logarithmic pathologies, that rapidly computes full waveform information: news, strain, and all five Weyl scalars. I summarize the performance improvements in the SpECTRE implementation, highlighting key numerical techniques, and describe the battery of physical tests used to verify the precision of our CCE results.