As someone who plays primarily PvE combat by myself or with a tiny private group of 1-2 friends, chapter 4 is not even relevant to "make it or break it" for any of us.
• Exploration update will not change that
• Mining update will not change that
• Squadrons - my group doesn't even have enough people to fill a single wing, so I can't see how this will be anything but a minor QoL update for us
• Exploration update will not change that
• Mining update will not change that
• Squadrons - my group doesn't even have enough people to fill a single wing, so I can't see how this will be anything but a minor QoL update for us