Tree feller currently is disabled due to the lag it can create. But this gives lumberjacks nothing special to use and frankly, makes things slow.
Could it be re-enabled with a lower threshold, say 50 (a large spruce tree) instead of the default 500, found in the config.yml? This should limit the lag impact when used dramatically and still enable woodcutters to speed up cutting down complex trees like big oaks.
Happy to hear your thoughts and opinions