Fulham striker Adam Taggart and Reading midfielder Aaron Kuhl join Dundee United on loan until January.
Dundee United have signed Reading midfielder Aaron Kuhl on loan until January 2016, subject to international clearance.
Celtic have signed Scotland U21 international Ryan Christie from Inverness Caledonian Thistle and the forward has signed a four-year contract.
Hearts have released left-back Kevin McHattie, who made more than 80 appearances for the club.
Dundee have signed Cardiff City striker Rhys Healey on loan until January, while Simon Ferry has left the club by mutual consent.
BBC Sport brings you the latest news from transfer deadline day, as Charlie Austin looks set to stay put at Queens Park Rangers and Celtic's Virgil Van Dijk signs for Southampton.
Oldham have signed Eoghan O'Connell from Celtic on loan until January 1, subject to international clearance.
League One side Oldham sign defender Eoghan O'Connell from Scottish Premiership champions Celtic on loan until 1 January.