Pedant mode on.
Bringing forward Nimrod OSD was muted several months ago
Presumably you really meant to write 'mooted' rather than 'muted'. At least I hope so!
muted
Function: adjective
Date: 1855
1 a : being mute : silent b : toned down : low-key, subdued
moot
Function: transitive verb
Date: before 12th century
1 archaic : to discuss from a legal standpoint : argue
2 a : to bring up for discussion : broach b : debate
Pedant mode off!