May 2026 monthly summary across apache/doris and apache/doris-website. Key features delivered: implemented Levenshtein and Hamming distance utilities to enhance string comparison across Hive/Trino/Presto, enabling use cases like spell checking and DNA-like sequence analysis. Major documentation improvement: clarified Hamming distance behavior and UTF-8 handling in the Doris website docs across versions (dev and 4.x), reducing ambiguity for users and contributors. This period also emphasized cross-repo collaboration with explicit traceability to issues and PRs (e.g., #48203, #57144, #60412). Overall impact: expanded core capabilities, improved product reliability, and better developer and user onboarding through precise documentation. Technologies/skills demonstrated: C/C++/SQL logic for distance metrics, documentation standards across multilingual content (Chinese/English), versioned docs, cross-repo coordination and traceability.

March 2026 monthly summary for the Doris website repository focused on strengthening developer guidance through targeted documentation of string comparison functions. Delivered clear, actionable docs for Hamming Distance and Levenshtein functions, improving SQL usage accuracy and self-service guidance for users.