It appears as of tonight, the new modified (big 1) Sky 1 logo is being used, as the 7pm ident going into The Simpsons had it (although they continue to use the same Ruth Jones/Stella ident), the promos have the new logo, but the breakbumper remained the same.
The new logo has been in use since the 30th of September with the introduction of the You, Me and the Apocalypse ident. A second ident featuring the new larger logo was introduced on the 19 of October for The Muppets. Only one of the promos are using the new logo (After Hours).
In total 4 idents are now in use, two using the new logo and two using the old.
1. You, Me and the Apocalypse
2. The Muppets