How to upload more than one screenshot after update?

[W[w[w[w]

Its says that i can't share screenshots anywhere except chat messages (When i choose them all and press ''Share'')
When i click RMB on one screenshoot there is ''Share on Steam' but i still can't upload more than one screenshot at the time ... Please elp me :C

[Mr Monkey]

Same here, PLEASE, VALVE, send help

[W[w[w[w]

VALVE help :C