During October 2025, Tomaz Vajngerl focused on enhancing the reliability and user experience of the CollaboraOnline/online repository by addressing two critical bugs. He improved build system robustness in C++ and CMake by gating cap_* usage behind the HAVE_LIBCAP flag, ensuring successful compilation even on minimal systems lacking libcap. Additionally, Tomaz corrected a CSS variable typo in the spreadsheet UI, restoring proper background rendering and UI consistency. His work demonstrated expertise in system programming, build systems, and front-end development, resulting in reduced deployment friction and fewer user-reported regressions. These targeted fixes contributed to more stable cross-platform deployments.