<!-- --------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? --> KiCad crashes when opening eeschema and pcbnew. <!-- 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. --> Fatal Python error: _Py_CheckRecursiveCall: Unrecoverable stack overflow (used 1879100 kB) while calling a Python object Python runtime state: initialized Current thread 0x00007fdaa249b240 [kicad] (most recent call first): <no Python frame> Aborted (core dumped) kicad # 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. Install Fedora 43 2. Install KiCad 3. Attempt to open eeschema or pcbnew # KiCad Version Application: KiCad x86_64 on x86_64 Version: 9.0.5-1.fc43, release build Libraries: wxWidgets 3.2.8 FreeType 2.13.3 HarfBuzz 11.5.0 FontConfig 2.17.0 libcurl/8.15.0 OpenSSL/3.5.1 zlib/1.3.1.zlib-ng brotli/1.1.0 libidn2/2.3.8 libpsl/0.21.5 libssh/0.11.3/openssl/zlib nghttp2/1.66.0 OpenLDAP/2.6.10 Platform: Fedora Linux 43 (Server Edition Prerelease), 64 bit, Little endian, wxGTK, X11, xfce, x11 Build Info: Date: Oct 1 2025 00:00:00 wxWidgets: 3.2.8 (wchar_t,wx containers) GTK+ 3.24 Boost: 1.83.0 OCC: 7.9.1 Curl: 8.15.0 ngspice: 45.2 Compiler: GCC 15.2.1 with C++ ABI 1020 KICAD_IPC_API=ON Locale: Lang: en_US Enc: UTF-8 Num: 1,234.5 Encoded кΩ丈: D0BACEA9E4B888 (sys), D0BACEA9E4B888 (utf8)