August 2026 Summaries

Greptile has released Agent v5, a redesigned code review system that uses parallel, narrowly focused agents to investigate individual potential bug hypotheses, aiming to improve speed, depth of analysis, and accuracy. Following a month of A/B testing across more than one million production pull requests, the company reports that median review time fell from 5 minutes and 4 seconds to 2 minutes and 25 seconds, while the share of comments addressed by authors rose from 52% to 66%. Positive developer responses to review comments, such as acknowledgments of useful findings or fixes, increased by 28.6%, from 0.266 to 0.342 per pull request. Greptile v5 is now enabled for all users.