Changelog for cairo: 1.18.4 -> 1.18.6 Source: NEWS Release 1.18.6 (2026-09-20 Emmanuele Bassi ) ============================================================== A new stable release. The XCB surface triggered an UAF warning when building with GCC. [#898] The clipping code was accessing various fields in a guard value, and causing a crash inside Inkscape. See: https://gitlab.com/inkscape/inkscape/-/issues/5631 Multiple fixes for the Windows backends, including improvements in the thread safety of the DirectWrite code. [#897] The DirectWrite backend now supports COLRv1 fonts. [#903] Multiple fixes for building with MSVC and ClangCL. A leak in the PDF surfaces has been fixed. [!644] Various gaps between abutting rectangles when drawing with ANTIALIAS_NONE were removed by using absolute coordinates and avoiding rounding errors. [#976] Remove an overflow when computing the buffer size in the XRender code. [#950]