Overwatch's PTR is the place where changes in the game go to get tested, whether that be new characters or simple tweaks, and as revealed on the Overwatch forums, big changes are inbound for four characters - Orisa, Junkrat, Roadhog, and Widowmaker.
To talk about Junkrat first, in the PTR changes he can now hold two mines, and his Riptire now moves at 30% faster speed, which is, according to the developer comments, in order to "add some much-needed flexibility and versatility to his kit, particularly when using the mines for mobility." In regards to the Riptire, though, this was changed because it was often difficult to steer it before it was destroyed, so making it faster should make it more effective more often, plus leave Junkrat himself vulnerable for a shorter time.
In regards to Orisa, her Fusion Driver projectile speed has been increased by 20%, and the barrier size of her Protective Barrier has also been increased by 20%, with the shape changed to allow coverage from enemies below the barrier too. "The projectile speed increase helps Orisa's consistency, especially at medium ranges (or further)," the developer comment says. "Her barrier size has been increased to better protect her team, and the new shape makes the shield more effective when it's used on slopes or on top of objects (such as a payload)."
A hero that's much debated is Roadhog, who has been the subject of many tweaks and changes since release. In this change, though, Take a Breather can now be used while moving, and damage taken while healing has been reduced by 50%. "These changes help Roadhog be much more aggressive when looking for hook targets or blocking for his team. The combination of these effects significantly increases Roadhog's sustainability and survivability."
Last but not least, Widowmaker's Grappling hook cooldown has been reduced from 12 seconds to 8, and her Venom Mine has also seen some changes, as affected targets are now visible through walls (only to Widowmaker herself though). "Widowmaker is extremely powerful in the right hands, but her abilities often felt a little weak. The Grappling Hook cooldown reduction means she is more likely to have it available when she needs to escape. Venom Mine is intended to be an early warning system, uncovering enemies that are attempting to flank her or her team. With this change, she can see enemies when they trigger the mine, even if they're on the other side of a wall."
Many other PTR changes are available on the forums, but these catch the eye most because of how big the changes are for each character. Do you think the changes are too extreme?