After Europe and the U.S., the LG G4 is now receiving the Marshmallow update in Canada. Telus has commenced the rollout, with Rogers set to offer the update from February 3. No details as of now as to when Bell will start rolling out Android 6.0 to its LG G4.
Telus' security update schedule also mentions that the LG G3 is slated to receive the Marshmallow update by March 14. Rogers also states that its variant of the LG G3 will be updated to Marshmallow shortly, although a specific date was not mentioned.
If you're rocking the G4 on Telus, head into your device's settings to download the Marshmallow update.