[Polaris Office Android] Update history for May 2022

[Polaris Office Cloud]

Data: 2022-05-03 (Korean Time)

Version: 9.6.7

- Improved the stability of document editing and synchronization.
- Fixed an error that a specific encrypted PDF document could not be opened.
- Fixed an error that the aspect ratio of the document was changed.
- Renewed the discount coupon and ticket pages.
- Fixed other errors and improved the usability based on the users’ feedback.

[Polaris Office Viewer]

Data: 2022-05-26 (Korean Time)

Version: 9.0.20

- Updated for the new version of engine.
- Fixed an error that the document was not normally deleted from recent documents list when opening it    from an external app.