Hi Jongkwang,
Issue 1: F2 keydown and keydown event do not work in SpreadsheetComponent cells in DialogComponent
Before
we proceed further, please confirm whether you have rendered the
spreadsheet component inside the dialog component or anything else. If
possible, please share with us the issue's replicable sample or customization codes with a video demonstration. Based on that, we will check and provide you with a better solution quickly.
Issue 2:
'ALT' keyboard caused typeError when showRibbon option is false.
We have confirmed this as a defect, and the fix will be available in our Essential Studio Volume 4 release, which
is scheduled to be rolled out in mid of December 2022. You can track
the status of this defect using the link below from our feedback portal.
Feedback Portal Link:
https://www.syncfusion.com/feedback/39392/script-error-while-clicking-alt-button-when-setting-the-showribbon-property-as
Disclaimer: "Inclusion
of this solution in the weekly release may change due to other factors
including but not limited to QA checks and works reprioritization."