September 2025: Focused on strengthening the warning analysis pipeline in JetBrains/intellij-community to deliver higher-precision code analysis and a better developer experience. Key feature delivered: Warning Analysis Enhancement to detect and report duplicate warnings, resulting in a more accurate and actionable highlighting system. As part of this work, we also fixed and prevented duplication in the Problems/File view for vulnerable dependencies (VS-2126), aligning with IDEA 25.3 expectations. The work reduces noise in warnings, decreases triage time for developers, and supports more reliable feedback loops for code quality. Technologies demonstrated include deep static analysis improvements, deduplication logic integration, and integration with the existing warning/highlighting framework and issue-tracking workflows.