Report 6.15.7 changes to master

[GlennRicaud]

6.15.1
#6461 -> v
#6463 -> v
xp-distro#37 -> v

6.15.2
#6519 -> v
#6502 -> v

6.15.3
#6529 -> v
#6534 -> Not really merged. Seems to have been fixed in another issue #6497
#6543 -> v

6.15.4
#6577 -> Not merged. (Ignite has not been migrated)
#6583 -> v
#6585 -> v

6.15.5
#6608 -> v
#6702 -> v

6.15.6
#6836 -> v

6.15.7 TO DO
#6970
#6977
#6989
#7003