Duplicated captcha on registration page after upgrade

[ufo_hk]

Found this after upgrading a Virtuemart 2 site to Virtuemart 3.8.8 and thanks to mcambou1 it fixed my issue.

Why is this still occurring - shouldn't it be fixed permanently?

Thanks

[jenkinhill]

VM3.8.8 is from January 2021 and was the version containing the error. It's fixed in later versions.   
See news of the latest version here: https://virtuemart.net/news/506-virtuemart-4

[semen_123]

Why did they add it?
\www\components\com_virtuemart\helpers\shopfunctionsf.php
line ~ 1195

Code: [Select]

$output = $dispatcher->trigger('onDisplay', array($reCaptchaName, $id, 'class="g-recaptcha required"'));
class="g-recaptcha required" causes a bug:

Code: [Select]

<div id="dynamic_recaptcha_1" class="class="g-recaptcha required" g-recaptcha" data-sitekey=....."
Please write a solution here

[Jumbo!]

Why did they add it?
\www\components\com_virtuemart\helpers\shopfunctionsf.php
line ~ 1195

Code: [Select]

$output = $dispatcher->trigger('onDisplay', array($reCaptchaName, $id, 'class="g-recaptcha required"'));
class="g-recaptcha required" causes a bug:

Code: [Select]

<div id="dynamic_recaptcha_1" class="class="g-recaptcha required" g-recaptcha" data-sitekey=....."
Please write a solution here

Replace the code with the following.

Code: [Select]

$output = $dispatcher->trigger('onDisplay', array($reCaptchaName, $id, 'g-recaptcha required'));