Full keyboard navigation (j and k to focus up and down posts, u to go to user profile, c to enter comments…) including toggling expandos, and regex keyword filtering for me.
I created a userscript here github.com/vmavromatis/Lemmy-keyboard-navigation maybe it suits your needs for now…
GitHub - vmavromatis/Lemmy-keyboard-navigation: RES-like script that allows you to easily navigate Lemmy with your keyboard

RES-like script that allows you to easily navigate Lemmy with your keyboard - GitHub - vmavromatis/Lemmy-keyboard-navigation: RES-like script that allows you to easily navigate Lemmy with your key...

GitHub
Thanks will take a look!