Enhanced web client

http://downloads.sourceforge.net/project/transmission-daemon-cfp/2.77plus14734-15-2/web-cfp-112418.zip
or
https://github.com/cfpp2p/transmission/archive/master.zip
can be used to access some of the additional features.
Delete the installed web client files and copy these to your web interface location.
Reference https://trac.transmissionbt.com/wiki/MovedToGitHub/EnvironmentVariables#StandardVariablesUsedByTransmission
and https://github.com/transmission/transmission/wiki/Environment-Variables#standard-variables-used-by-transmission