http://www.newsweek.com/destiny-2-update-204-127-festival-lost-auto-rifle-patch-notes-1172174

Destiny 2 update 2.0.4 has arrived as version 1.27 on PS4. The substantial patch features Festival of the Lost content, including a brand-new Legendary Auto Rifle. It also provides critical quality-of-life tweaks for Lost Sectors, weapon buffs and Pursuit tracking. Read the full patch notes below, courtesy of a Bungie blog post.

Save up Fragmented Souls to unlock the Horror Story Legendary Auto-Rifle. Bungie/Activision