Hi everyone !
Saw the blog post around Terminal & File Transfert Connections work in progress and wanted to give it a try, mainly for the Ghostty implementation of RoyalTerminal 
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I’ve found some issues with font rendering that is not as clean as PuTTY (or Windows Terminal):
In the screenshot I’ve duplicated an existing PuTTY connection and changed it to use the new Rebex plugin option as shown in the blog post. No big modifications in the configuration, same font face, same font size, same color palette.
Some characters used for rounded lines seems weird and braille characters or squares seems shrinked or zoomed out 
The font used here is IosevkaTerm Nerd Font (Mono variant), also tried with FiraCode Nerd Font (Mono variant)
Some other shell TUI using lines drawing witth similar glitches (some less obvious):
There is also some keyboard handling issued, for example the Tab key is inoperant so the shell completion did not work, MidnightCommander switching panels or navigating in dialogs did not work, same with ncurses TUIs (eg. nmtui).
If you want a sample document with the connections configuration as used here, let me know and I’ll provide one to test 
I’ve not yet tested everything around this new plugin (kitty graphics support, links, File panel, …) but will look for it soon !
Anyway, big thank you to the RoyalApps team for all their hard work!
Best Regards,
Nicolas.