No mabey you should:
15- R4 V1.18 kernel (English/French/Korean) 2008-04-24
14- R4 V1.17 kernel (English/French/Korean) 2008-03-18
13- R4 V1.16 kernel (English/French/Korean) 2008-02-19
12- R4 V1.15 kernel (English/French/Korean) 2008-01-08
11- R4 V1.14 kernel (English/French/Korean) 2007-12-19
10- R4 v1.13 kernel (English) 2007-12-07
9- R4 v1.13 kernel (Korean) 2007-12-07
8- R4 v1.13 kernel (French ) 2007-12-07
7- R4 v1.12 kernel (French ) 2007-11-21
6- R4 v1.12 kernel (Korea) 2007-11-21
5- R4 v1.12 kernel(English) 2007-11-21
4- R4 v1.11 kernel (French ) 2007-7-30
3- R4 v1.11 kernel (Korea) 2007-7-30
2- R4 v1.11 kernel(English) 2007-7-30
1- R4 v1.02 cheat code database 2007-5-21
These are kernal updates, that last April update was when they stopped updates completely, if you look at this history of updates it was more than once a month updates were released until v1.18 which covered nearly everything.