The upcoming Overwatch Hero Ana and a wealth of changes to the game and its Heroes are live on PTR.

PTR Patch Notes - July 12th 2016

The full PTR Patch notes for July 12, 2016 can be found here. 

Here is the condensed version:

• New Hero (Ana) is playable. 
• Overtimes that last 20+ seconds will now have a faster "fuse".
• Players spawn 2 seconds slower during Overtime.
• One 1 of any Hero can be on a team in Competitive Play. 
• Self healing now charges ultimates. 
• Bastion had his ultimate cost increased by 10%.
• D.Va
  • Defense Matrix now works on a meter.
    • Fills in 10 seconds.
    • Lasts 4 seconds 
    • Usable via RMB
  • Ultimate cost decreased by 15%
  • Explosion delay reduced by 1 second. 
  • Explosion no longer damages D.Va
• Lúcio
  • Ultimate cost increased by 10%.
• Mercy
  • Damage boost increased from 30-50%
  • No longer stacks
  • Ultimate cost increased by 30%
  • Can move while casting ultimate
  • Guardian Angel resets immediately after use
• Roadhog
  • Ultimate cost increased by 45%
• Soldier: 76
  • Spread recovery now has a delay.
  • Ultimate cost increased by 10%.
• Zenyatta
  • Base shields increased by 50.
  • Movement during Transcendence is now doubled. 
  • Transcendence heals 300 / sec up from 200 / sec.