2020.03 ver3.4.1
updated items:
1. Debug and other improvement
2. System optimization

2019.12 ver3.4.0 (download IBC3.4.0.exe)
updated items:
1. Notification message and page refreshing optimization
2. System optimization
3. Starting speed optimization
4. New feature: clean cache

2019.03 ver3.3.1 (download IBC3.3.1.exe , download APK)
updated items:
1. framework 4.0 support adjustment
2. Automatically log-out after 15 seconds of no respond after activating
3. Authorization expiring date (7 days, 3 days) notification
4. New feature: trial courses in Traditional Chinese/Simplified Chinese/English
5. System optimization

2018.12 ver3.3.0
updated items:
1. New feature: quick account switch
2. System optimization
3. Internet connection optimization

2018.08 ver3.2.9 
updated items:
1. New feature: digital signature
2. New feature: server connection indicator
3. Internet connection indicator correction
4. Activating history loading correction
5. Text correction

2018.05 ver3.2.7
updated items:
1. Drawing tool correction, showing settings memorizing
2. Activating history correction
3. New feature: customer service contact list
4. New feature: authorization expiring date (30 days) notification
5. New feature: terms of service/ privacy policy confirmation
6. New feature: HD course materials
7. Automatically switching to offline viewing
8. Log in with store ID

2017.12 ver3.2.6
updated items:
1. Log-in problem with Animath ID
2. New feature: IBC activated courses list
3. New feature: .mp4 videos full-screen/loop
4. New feature: page refreshing

2017.11 ver3.2.5
updated items:
1. Server switching correction
2. Server switching and logging up without exiting IBC
3. Refreshing text correction
4. New feature: logging in with Animath ID

2017.10 ver3.2.3
updated items:
1. New feature: multiple language interface
2. New feature: internet connection indicator
3. New feature: automated update
4. New feature: account switching
5. New feature: learning card activating
6. New feature: offline viewing (viewed data will be saved for 7 days)
7. New feature: terms of service/ privacy policy
8. New feature: free trial courses
9. New feature: .mp4 videos
10. Device registration rules update

2017.06 ver3.1.0
updated items:
1. New feature in Setting page: AUTO RUN options
(Note: you should uninstall the older version and install the newest one for this feature to work)
2. New feature in Setting page: SPEED testing (external link)
3. New feature: IBC version showing on the top right corner of Homepage
4. 4. New feature in Log-in page: link to Help page, registration page not available