<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Hi Šimon,<br><div><br><blockquote type="cite"><div>On 31 Oct 2023, at 19:52, Šimon Leitgeb <leitgeb.simon@gmail.com> wrote:</div><br class="Apple-interchange-newline"><div><meta charset="UTF-8"><span style="caret-color: rgb(0, 0, 0); font-family: Futura-Medium; font-size: 13px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">QHttpMultiPart<span class="Apple-converted-space"> </span></span></div></blockquote></div><br><div>I can confirm that your test program crashes on my system:</div><div><div><br></div><div><font face="Courier New"> PyQt6 Version Information</font></div><div><font face="Courier New">╭───────────┬──────────────────────────────╮</font></div><div><font face="Courier New">│ Component │ Version │</font></div><div><font face="Courier New">├───────────┼──────────────────────────────┤</font></div><div><font face="Courier New">│ Platform │ macOS-14.1-x86_64-i386-64bit │</font></div><div><font face="Courier New">│ Python │ 3.12.0 (CPython) │</font></div><div><font face="Courier New">│ PyQt6 │ 6.6.0 │</font></div><div><font face="Courier New">│ Qt6 │ 6.6.0 │</font></div><div><font face="Courier New">╰───────────┴──────────────────────────────╯</font></div></div><div><font face="Courier New"><br></font></div><div>I also ran the test using the other Python Qt wrapper (PySide6) and it too crashed in a similar manner. This seems to imply that the problem lies with Qt6 itself, not PyQt6. If you can get a C++ version of your test case to reproduce the crash you could submit a bug report to Qt's maintainers.</div><div><br></div><div>Sorry not to be of direct help.</div><div><br></div><div>Regards,</div><div>Colin McPhail</div></body></html>