<!-- --------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. --> Opening a schematic with design blocks panel visible (and an actual design blocks library configured, so it has an entry with a preview) and hop-over wire crossings enabled crashes eeschema with SIGSEGV in `SCH_PAINTER::draw(SCH_LINE const*, int)`. Backtrace (relevant frames): ``` SCH_PAINTER::draw(SCH_LINE const*, int) SCH_DESIGN_BLOCK_PREVIEW_WIDGET::DisplayDesignBlock() PANEL_DESIGN_BLOCK_CHOOSER::onDesignBlockSelected() ``` Seems to be simply a regression due to an oversight in 99884f507a. The null-dereference bug that's hitting here code-wide existed before that, but was not reached due the the fact that the scale was not available on startup. # 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. Use a working KiCad version (e.g. 10.0 stable) and make sure the design block pane is opened with a design block library configured. 2. Make sure hop-over is enable in schematic setup 3. Try to open a schematic with a build containing 99884f507a (e.g. master or 10.0.1-rc1) which introduced the `GetHopOverScale()` on-the-fly lookup. Crash # KiCad Version <!-- Copy version information (from main menu Help->About KiCad ->Copy Version Info) and paste it between the triple backticks below to preserve the formatting. --> ``` Application: KiCad Schematic Editor arm64 on arm64 Version: 10.99.0-474-g3851787547, debug 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 nghttp2/1.68.0 Platform: macOS Version 26.4 (Build 25E246), 64 bit, Little endian, wxMac OpenGL: Apple, Apple M4 Pro, 2.1 Metal - 90.5 Build Info: Date: Apr 10 2026 09:20:13 wxWidgets: 3.2.8 (wchar_t,wx containers) Boost: 1.90.0 OCC: 7.9.3 Curl: 8.7.1 ngspice: 45.2 Compiler: Clang 21.0.0 with C++ ABI 1002 Build settings: KICAD_IPC_API=ON KICAD_USE_PCH=OFF KICAD_STDLIB_DEBUG=OFF KICAD_STDLIB_LIGHT_DEBUG=OFF KICAD_SANITIZE_ADDRESS=OFF KICAD_SANITIZE_THREADS=OFF ```