Virtualize rendering of session details list - #1649
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This is one of two parts of an optimization aimed at improving popup‑opening speed. This part focuses on the frontend.
The new flow uses
react-window, a React virtualization library. When a session contains a very large number of windows and tabs, the component renders only the items within the visible area, which increases rendering speed.Please note that to make the virtualized list work without affecting the UI, the new flow changes
WindowContainerfrom a root element to a row item element which is same level asTabContainer. Most of the changes you see involve flatteningWindowContainerinto a row item function similar toTabContainer.