Kate crashes and dumps core

[joneall]

Only since an hour or so, Kate crashes the moment I try either to create a new file or open an old one. syslog contains this rather messy entry:

2024-10-22T14:55:06.842497+02:00 jon-desktop systemd[1]: Started systemd-coredump@5-17969-0.service - Process Core Dump (PID 17969/UID 0).
2024-10-22T14:55:06.845621+02:00 jon-desktop systemd[1]: Started drkonqi-coredump-processor@5-17969-0.service - Pass systemd-coredump journal entries to relevant user for potential DrKonqi handling.
2024-10-22T14:55:07.393976+02:00 jon-desktop systemd-coredump[17970]: Process 17957 (kate) of user 1000 dumped core.#012#012Module libarchive.so.13 from deb libarchive-3.7.2-2ubuntu0.2.amd64#012Module libgomp.so.1 f
rom deb gcc-14-14.2.0-4ubuntu2~24.04.amd64#012Module libzstd.so.1 from deb libzstd-1.5.5+dfsg2-2build1.1.amd64#012Module libsystemd.so.0 from deb systemd-255.4-1ubuntu8.4.amd64#012Module libgcc_s.so.1 from deb gcc-1
4-14.2.0-4ubuntu2~24.04.amd64#012Module libudev.so.1 from deb systemd-255.4-1ubuntu8.4.amd64#012Module libstdc++.so.6 from deb gcc-14-14.2.0-4ubuntu2~24.04.amd64#012Stack trace of thread 17957:#012#0 0x000077e3eca9
eb1c __pthread_kill_implementation (libc.so.6 + 0x9eb1c)#012#1 0x000077e3eca4526e __GI_raise (libc.so.6 + 0x4526e)#012#2 0x000077e3ee983f6e _ZN6KCrash19defaultCrashHandlerEi (libKF6Crash.so.6 + 0x7f6e)#012#3 0x00
0077e3eca45320 __restore_rt (libc.so.6 + 0x45320)#012#4 0x000077e3ec82e441 n/a (libKF6TextEditor.so.6 + 0x22e441)#012#5 0x000077e3ec7cabb0 _ZN11KTextEditor11ViewPrivate15toggleStatusBarEv (libKF6TextEditor.so.6 +
0x1cabb0)#012#6 0x000077e3ec7d102b

...[middle deleted]...

(libc.so.6 + 0x129c3c)#012#012Stack trace of thread 17960:#012#0 0x000077e3ecb1b4cd __GI___poll (libc.so.6 + 0x11b4cd)#012#1 0x000077e3e6e1d1b5 n/a (libQt6WaylandC
lient.so.6 + 0xaf1b5)#012#2 0x000077e3ed57ac86 n/a (libQt6Core.so.6 + 0x37ac86)#012#3 0x000077e3eca9ca94 start_thread (libc.so.6 + 0x9ca94)#012#4 0x000077e3ecb29c3c __clone3 (libc.so.6 + 0x129c3c)#012ELF object b
inary architecture: AMD x86-64
2024-10-22T14:55:07.413103+02:00 jon-desktop systemd[1]: systemd-coredump@5-17969-0.service: Deactivated successfully.
2024-10-22T14:55:07.438728+02:00 jon-desktop systemd[1798]: app-org.kde.kate@21fbad51d1fb41af840805a32c838a99.serv ice: Main process exited, code=dumped, status=4/ILL
2024-10-22T14:55:07.442683+02:00 jon-desktop systemd[1798]: app-org.kde.kate@21fbad51d1fb41af840805a32c838a99.serv ice: Failed with result 'core-dump'.
2024-10-22T14:55:07.805779+02:00 jon-desktop drkonqi-coredump-processor[17971]: "/usr/bin/kate" 17957 "/var/lib/systemd/coredump/core.kate.1000.60db3dd12e5644ddbd1287c6ea4c7994.17 957.1729601706000000.zst"
2024-10-22T14:55:07.810444+02:00 jon-desktop systemd[1798]: Started drkonqi-coredump-launcher@8-17971-0.service - Launch DrKonqi for a systemd-coredump crash (PID 17971/UID 0).
2024-10-22T14:55:07.812745+02:00 jon-desktop systemd[1]: drkonqi-coredump-processor@5-17969-0.service: Deactivated successfully.

The log dpkg.log tells me my last system mod was at 8:30 this morning. Kate has worked since then.