Some large gaps appearing between Javanese letters

[KrasnayaPloshchad]

On current version of Chrome and Firefox, some of Javanese letters appearing a large gap between them when browsing texts with Javanese Text.

Case 1: Wikipedia page Help:Multilingual support, appearing within ꦥꦺ.

Case 2: Wikipedia page Help:Multilingual support (Indic), appearing within ꦧꦾꦺꦴꦂ.

[khaledhosny]

What is the font used for rendering this text?

[KrasnayaPloshchad]

I used “Javanese Text” on Windows 10.
javatext.zip

[KrasnayaPloshchad]

Here is a screenshot taken from BabelPad, you can see what I have seen from there.