v0.68.0

Bug Fixes

• FEC-10041: [Web] Allow IMA and IMA DAI to be used in parallel (#539) (c6b4a44)
• FEC-10823: Change initial poster hiding to first playing or ad playing (#541) (9436db6)

Features

• FEC-10768: expose in-stream DASH thumbnails (#543) (3b1d78e)
• FEC-10915: let shaka and hls.js use their own default bandwidth estimators (#542) (e212b03)
• FEC-10925: remove captions update delay (#534) (8497153)
• FEC-10970: expose vpaid field on ad object (#540) (791b3c4)