The latest patch for Destiny 2 has allowed Windows and Xbox players to get ahold of Wavesplitter, a PS4 exclusive weapon. The weapon was not meant to be available to non-PS4 players until a year after its release.
Among other things, the patch allowed players to receive Exotic tier weapons from pre-Forsaken Destiny in drops from Xur's Fated Engram. However, the drops were most likely not meant to include PS4-exclusive weapons, as Wavesplitter is the only exclusive that drops from the Engram. Other exclusives, such as The Broodhold, are not a part of the Fated Engram loot pool.
The exotic trace rifle is currently a very limited item, and can only be obtained by visiting Xur during the 45 minute period between patch application and weekly reset time, when the mysterious NPC disappears. Players can then purchase a Fated Engram from Xur, which has a chance of dropping Wavesplitter, among other Exotic weapons.
At this time, Bungie has acknowledged the release of Wavesplitter and confirmed that it was an accidental part of the patch. In a forum post, the developers have said that they are working to address the problem and remove Wavesplitter from the Fated Engram pool.
Windows and Xbox players who have already received Wavesplitter from the Fated Engram will still be able to use the weapon until Bungie releases the bug fix, after which the item will remain in their inventories but will not be equipable. Wavesplitter will join the general Exotic loot pool in September 2019, which will allow non-PS4 players to equip the weapon again.
Many Destiny 2 players are angry at Bungie, not only for the silliness of this mistake, but also for how quickly the devs addressed this issue while not addressing actual player complaints. Many have pointed out that, in the past Bungie has taken weeks to fix bugs that made the game almost unplayable for some players. Yet, this relatively minor bug has received immediate attention from the publisher.
This has caused many players to question Bungie's priorities when it comes to making Destiny 2 more enjoyable for those that play it, not just lucrative for those who published it.