Not PHP 7.2 Compatible?

As you know, PHP 5.6 and 7.0 will both reach end of life this month. Our hosting company is requiring us to upgrade to PHP 7.2, but DW Question & Answer is the only plugin on our site that is not compatible with PHP 7.2.

Here is the report from PHP Compatibility Checker:
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Name: DW Question Answer

FILE: ~/wp-content/plugins/dw-question-answer/lib/recaptcha-php/example-mailhide.php
——————————————————————————FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
—————————————————————————— 1 | WARNING | No PHP code was found in this file and short open tags are not allowed by this install of PHP. This file may be using short open tags but PHP does not allow them.

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FILE: ~/wp-content/plugins/dw-question-answer/lib/recaptcha-php/recaptchalib.php
——————————————————————————FOUND 4 ERRORS AFFECTING 3 LINES
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220 | ERROR | The constant “MCRYPT_MODE_CBC” is deprecated since PHP 7.1 and removed since PHP 7.2
221 | ERROR | The constant “MCRYPT_RIJNDAEL_128” is deprecated since PHP 7.1 and removed since PHP 7.2
223 | ERROR | Function mcrypt_encrypt() is deprecated since PHP 7.1 and removed since PHP 7.2; Use OpenSSL instead
223 | ERROR | Extension ‘mcrypt’ is deprecated since PHP 7.1 and removed since PHP 7.2; Use openssl (preferred) or pecl/mcrypt once available instead
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FILE: ~/wp-content/plugins/dw-question-answer/inc/User.php
——————————————————————————FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
—————————————————————————— 74 | WARNING | Function create_function() is deprecated since PHP 7.2; Use an anonymous function instead
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