Timeline

Dec 2nd week: Started learning RxSwift.

Dec 2021 3rd week: Started to understand differences between Subjects, Observers, Observable

Feb 2022: Learn more about filtering & compact map.

Apr 1st week 2022: Independently used Input / Output of observable / observers chain from View Controller - View Model Understood about chain firing with different values changed. Some anomalies happened when Observable chain was firing 'Completed' event.

Apr 2nd week 2022: Understood actual usage of Merge & observable chain in the project. Independently use ViewState Architecture. Learn more about observable view cycle. 'startWith()' was great addition.