add deprecation warnings for old backends (#3902)
* add deprecation warnings for old backends * mention backend deprecation #3902 * fix typo Co-authored-by:Colin <ColCarroll@users.noreply.github.com> Co-authored-by:
Michael Osthege <zufallsprinzip@hotmail.de> Co-authored-by:
Colin <ColCarroll@users.noreply.github.com>
Showing
Please register or sign in to comment