Product Edit is broken after 2.3.3 update

[jgahn-xom]

Preconditions (*)

1.Version 2.3.3

Steps to reproduce (*)

1. Catalog -> Products -> edit any product

Expected result (*)

1. Product edit page

Actual result (*)

1. error and no edit page:
   Warning: Use of undefined constant formName - assumed 'formName' (this will throw an Error in a future version of PHP) in /var/www/magento2/vendor/magento/module-catalog/view/adminhtml/templates/catalog/product/helper/gallery.phtml on line 64

Fixed by adding a missing $ before formName on line 64 of referenced file.

[m2-assistant]

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@jgahn-xom do you confirm that you were able to reproduce the issue on vanilla Magento instance following steps to reproduce?

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[m2-assistant]

Hi @edenduong. Thank you for working on this issue.
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[m2-assistant]

Hi @krishprakash. Thank you for working on this issue.
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@magento give me 2.3-develop instance

[magento-engcom-team]

Hi @MrGangola-Webkul. Thank you for your request. I'm working on Magento 2.3-develop instance for you

[magento-engcom-team]

Hi @MrGangola-Webkul, here is your Magento instance.
Admin access: https://i-24968-2-3-develop.instances.magento-community.engineering/admin
Login: admin Password: 123123q
Instance will be terminated in up to 3 hours.

[m2-assistant]

Hi @MrGangola-Webkul. Thank you for working on this issue.
In order to make sure that issue has enough information and ready for development, please read and check the following instruction: 👇

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Unable to reproduce the issue on 2.3-develop branch