v4.0.0-beta.12

• chore(release): 4.0.0-beta.12 (e7addab)
• fix(image): Update reply popup when file scale/rotation changes (#529) (d24eefc), closes #529
• fix(reply): Allow keyboard focus for disabled reply buttons (#525) (11bb8d7), closes #525
• fix(reply): Avoid crash due to negative range start value in reply (#528) (98a6486), closes #528
• fix(style): Remove border to align cursor with placeholder (#527) (2ae80dd), closes #527
• fix(style): Reset image annotator layer styles inherited from parent (#524) (eb69688), closes #524
• fix(style): Update bottom-facing arrow color to match footer background (#530) (f240817), closes #530
• refactor(babel): Replace regenerator global with encapsulated polyfill (#523) (848ee0a), closes #523