After Update to 5.5.4 the default.custom.css is no more in use?

After Update to 5.5.4 the default.custom.css is no more in use?

After updating to JS 5.5.4, my default.custom.css is no longer included.
Was the name of the default.custom.css changed or was it forgotten in the update?

Some day ago I updated from 5.5.2 to 5.5.3 without such problem.
I can fix this by including the stylesheet link in Helix 3 - but is that the right way?

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Aw: After Update to 5.5.4 the default.custom.css is no more in use?

Bug update.

install 5.5.5A1
https://github.com/joomshopping/joomshopping/tree/dev

or change Lib/JSFactory.php

$wa->registerAndUseStyle('com.jshopping.custom', $jshopConfig->css_live_path.$jshopConfig->template.'.css', $wap['options'], $wap['attributes'], $wap['dependencies']);

change to

$wa->registerAndUseStyle('com.jshopping.custom', $jshopConfig->css_live_path.$jshopConfig->template.'.custom.css', $wap['options'], $wap['attributes'], $wap['dependencies']);

https://github.com/joomshopping/joomshopping/commit/c2fc267a9e45a9b62f0857b20e1dad00b916c1ab#diff-163f2720013a2697a818c6799e95f4bfe33d246b32484db2aec353a0ea91d5d7

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Aw: After Update to 5.5.4 the default.custom.css is no more in use?

Thank you!