Month selector picks wrong month

[mkst]

Describe the bug
Selecting a month beyond March chooses the wrong month

To Reproduce
Steps to reproduce the behavior:

1. Go to example codepen from readme
2. Click on 'Simple Date picker' area
3. Click (e.g.) 2020.05 to choose new month
4. Click e.g. June, note that date selected is 2020.04

Mapping appears to be:

Jan => Jan
Feb => Feb
Mar => Mar
Apr => Feb
May => Mar
Jun => Apr
July => Mar
Aug => Apr
Sep => May
Oct => Apr
Nov => May
Dec => Jun

Expected behaviour
I expect to select the month I click on.

Screenshots
n/a

Desktop (please complete the following information):

• OS: Windows 10
• Browser: Chrome
• Version: 81.0.4044.138 (Official Build) (64-bit)

[mkst]

ok, have stumbled across this commit to the dev branch that fixes my issue.

[ferjpi]

there is any solution meanwhile? @streetster

[mkst]

@ferjpi - i think we've just got to wait for @y0c to merge dev into master and release a new version...