I have a custom build rule with: Command: latexmk Options: -output-format=pdf -view=pdf -synctex=1 %source It worked fine up until a recent update of the texlive packages on my distro. Kile now no longer seems to read the ".latexmkrc" file. I reported the issue here: https://bugs.archlinux.org/task/73197 Operating System: Arch Linux KDE Plasma Version: 5.23.5 KDE Frameworks Version: 5.89.0 Qt Version: 5.15.2 Kernel Version: 5.15.13-arch1-1 (64-bit) Graphics Platform: Wayland Processors: 16 × AMD Ryzen 7 PRO 4750U with Radeon Graphics Memory: 14.9 GiB of RAM Graphics Processor: AMD RENOIR