<!-- --------Before Creating a New Issue----------- * Limit report to a single issue. * Search the issue tracker to verify the issue has not already been reported. * Complete all instructions between `template comment markers <>. * Keep report contents limited to the necessary information required to fix the issue. * When creating an issue against the stable version of KiCad, make sure the latest available stable version is installed as issues may have already been resolved in later stable versions. --> # Description <!-- What is the current behavior and what is the expected behavior? --> <!-- If the issue is visual/graphical, please attach screenshots of the problem. --> <!-- Add the issue details below this line and before the "Steps to reproduce" heading. --> Dragging zone edges with large grid causes "flickering" between possible positions on grid. {width=835 height=600} # Steps to reproduce <!-- If there are multiple steps to reproduce it or it is a visual issue, then providing a screen recording as an attachment to this report is recommended. --> <!-- If this issue is specific to a project, please attach the necessary files to this issue. --> <!-- Add the steps to reproduce using the numbers below --> <!-- Add new step numbers before the "KiCad Version" heading. --> 1. Open [quadzonetest.zip](/uploads/2a4068998d7c4ddd8fdd31054ad4eacb/quadzonetest.zip) 2. Set grid to 5 mm if not already set 3. Drag zone edges (no modifier keys) 4. Observe visual glitching (to closest grid point?) # KiCad Version ``` Application: KiCad PCB Editor arm64 on arm64 Version: 10.0.1, release build Libraries: wxWidgets 3.2.8 FreeType 2.14.3 HarfBuzz 14.1.0 FontConfig 2.17.1 libcurl/8.7.1 (SecureTransport) LibreSSL/3.3.6 zlib/1.2.12 nghttp2/1.64.0 Platform: macOS Sequoia Version 15.7.3 (Build 24G419), 64 bit, Little endian, wxMac OpenGL: Apple, Apple M2 Max, 2.1 Metal - 89.4 Build Info: Date: Apr 15 2026 12:06:24 wxWidgets: 3.2.8 (wchar_t,wx containers) Boost: 1.90.0 OCC: 7.9.3 Curl: 8.7.1 ngspice: 44.2 Compiler: Clang 16.0.0 with C++ ABI 1002 KICAD_IPC_API=ON KICAD_USE_PCH=OFF ```