<Tr> <Th> Developer (s) </Th> <Td> Alfredo Milani Comparetti </Td> </Tr> <Tr> <Th> Initial release </Th> <Td> 27 March 2001; 16 years ago (2001 - 03 - 27) </Td> </Tr> <Tr> <Th> Stable release </Th> <Td> 4.52 (29 June 2016; 17 months ago (2016 - 06 - 29)) (±) </Td> </Tr> <Tr> <Th> Preview release </Th> <Td> 4.51 beta 2 (7 August 2014; 3 years ago (2014 - 08 - 07)) (±) </Td> </Tr>

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