Reproduction steps
- In a channel where you have thread creation permissions, send a message that includes a codeblock
- Use that message to start a thread
- Mouse over the OP of the thread
Expected behaviour
Mouseover highlighting behavior should be the same as in a normal text channel
Actual behaviour
Mouseover highlighting behavior is weird (see recording)
Build information
Canary Desktop 2026.1018.223341, Web 2026.1018.223341, Linux 7.2.10-200.fc44.x86_64 (x64), Electron 44.4.1, Chrome 152.0.7977.78, Node 24.21.0, Locale en-US
Canary Web 2026.1018.222738, Linux (x64), Firefox 158.0, Locale en-US
Platform
macOS, Windows, Linux, Web