1.6.9
2026-09-25
[ + ] Search Improve
[ - ] Fix Search Algorithm Not Working
1.6.8
2026-09-01
[ + ] Algorithm Animation Visualization
1.6.7
2025-11-25
[ + ] GitHub swift trends
1.6.6
2024-02-22
[ - ] clean unused code
1.6.5
2023-11-07
[ + ] Swift&SwiftUI&Combine Tutorial
1.6.4
2022-11-07
[ - ] fail to save note
1.6.3
2022-11-02
[ - ] Fix iOS 16 crash when click share app
1.6.2
2022-09-19
[ - ] Handle abnormal exit of PDF export
1.6.1
2022-08-14
[ + ] update content of algorithm
1.6.0
2022-07-13
[-] Optimized code, faster startup
1.5.9
2022-07-12
[ - ] fix search result highlight
1.5.8
2022-07-11
[ - ] Fix Problem's Note sync error
1.5.6
2022-07-09
[ - ] Set page English localization
1.5.5
2022-07-01
[ + ] fix IAP
1.5.3
2022-05-23
[ - ] Fix In-app-purchase Failed Error
1.5.0
2022-05-16
[ - ] fix fail to change like status
1.4.7
2022-04-27
[ - ] Fix fetching data slowly
1.4.6
2022-04-24
[ - ] fix search return bug
1.4.5
2022-04-21
[ - ] content error fix
1.4.4
2022-04-14
[ - ] fix content parse error
1.4.3
2021-09-13
[ - ] fix some content error
1.4.0
2020-12-27
[ + ] SAVE AS PDF
1.3.9
2020-12-17
[ - ] Solution menu error
1.3.8
2020-11-21
[ - ] fix bug
1.3.7
2020-11-08
[ - ] Fix Bug
1.3.6
2020-11-01
[ - ] BugFix
1.3.5
2020-10-18
[ - ] fix missing data
1.3.4
2020-10-16
[ - ] Bug fix
1.3.3
2020-10-09
[ - ] Fix Bug
1.3.2
2020-08-26
[ - ] Fix bug
[ - ] Load image error
1.3.1
2020-07-07
[ - ] Update Problem Set
1.3.0
2020-07-03
[ + ] Setting
[ + ] Lastest Read and Pin
1.2.9
2020-05-24
[ + ] Add 'Problem Set'
1.2.8
2020-04-18
[ - ] Redesign
1.2.7
2019-10-18
[ - ] Fix some issues that may cause crash
1.2.6
2019-10-16
[ - ] Fix crash
1.2.5
2019-10-02
[+] Improve a little
1.2.4
2019-09-09
[ - ] BUG FIX
1.2.3
2019-09-07
[ + ] Resize font of solution code
[ + ] Tag List difficulty selection
1.2.2
2019-08-09
[ + ] support "Go"
1.2.1
2019-07-12
[ - ] Bug fix
1.2.0
2019-06-10
[+] improve for iPad
1.1.9
2019-06-06
[+] improve
1.1.8
2019-05-24
[+] Note sync with iCloud
1.1.7
2018-08-06
[-] Improve
1.1.6
2018-08-06
[+] output note
[-] bug fix