Lawmakers were set to gather Wednesday morning at the State Capitol in Denver for the 120-day marathon of the upcoming legislative session. Stay tuned for updates on new developments by The Denver Post’s state government reporters. This story will be updated throughout the day. Democrats held onto strong majorities in both legislative chambers in November’s elections — one seat shy of a 2-to-1 supermajority in each — though Republicans clawed back from superminority status in the House by reducing Democrats’ margins. Some of the proposals the Democrats have previewed so far include new efforts on labor reform, a ban on selling semiautomatic firearms with detachable magazines and measures to improve housing attainability.