There's no way to type "tab", use arrows, or enter ctrl-c.
Many useful keys are missing (tabs, arrows, home, end, ctrl-X). Sqeekboard issue says it should be handled here... Librem5/squeekboard#51 (closed)
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Many useful keys are missing (tabs, arrows, home, end, ctrl-X). Sqeekboard issue says it should be handled here... Librem5/squeekboard#51 (closed)