release note v5.11

[c_major]

This is a maintenance release for polishing existing features and fixing bugs. Below are some of the noticeable changes and fixes:

Changes:

• When Clip Preview showing a clip on the timeline, the timeline cursor will be linked with the preview cursor. i.e. Viewing an audio track in same proportion as video.
• Text and Title clip edit windows now can be moved by dragging the title bar.
• Speed change can be applied by setting the duration of the clip.
• Added UI widget for Censor effect.
• UI improve for Pan and Zoom effect.

Fixes:

• Black screen at the end of exported video is removed.
• Fixed burnt Blu-ray DVD can't be played after certain time position.
• Fixed sound not playing in a rare case.
• Fixed audio synchronize issue for lossless export
• Fixed Green Screen effect produce darken edge.