My Channel contents shown limted entries in windows application & web (chrome)

hi Team, 

my Channel posts are not completely displayed on the web, shows a limited number of posts.

mouse scroll is not working with windows application ( you have to drag down the scroll bar on the rightmost end of the application)

web the mouse scroll works fine. However both in windows application and chrome the Channel entries come up to the same level.

(chrome Version 78.0.3904.87 (Official Build) (64-bit) Windows 10 (Rainbow Version 1.63). 

but in my Android phone (Rainbow 1.63.3) the channel entries are displayed fully( i can scroll down to my first channel post)

let me know if anybody else observed or reported this problem.

./regards

Fegy Simon