NC14.0.1 & files 1.9.0: "App is not compliant"

[Sanookmakmak]

occ app:check-code files

Analysing /var/www/html/apps/files/appinfo/app.php
 1 errors
    line   36: OC_Helper - Static method of private class must not be called
Analysing /var/www/html/apps/files/recentlist.php
 2 errors
    line   25: OCP\User - Static method of deprecated class must not be called
    line   25: OCP\User::checkLoggedIn - Method of deprecated class must not be called
Analysing /var/www/html/apps/files/templates/appnavigation.php
 1 errors
    line   88: == - is discouraged
Analysing /var/www/html/apps/files/lib/Controller/ViewController.php
 4 errors
    line  106: OC_App - Static method of private class must not be called
    line  128: OC_Helper - Static method of private class must not be called
    line  212: OC_Helper - Static method of private class must not be called
    line  216: OC_Helper - Static method of private class must not be called
Analysing /var/www/html/apps/files/lib/Controller/SettingsController.php
 1 errors
    line   41: OC_Files - Static method of private class must not be called
Analysing /var/www/html/apps/files/lib/BackgroundJob/ScanFiles.php
 1 errors
    line   92: OC_Util - Static method of private class must not be called
Analysing /var/www/html/apps/files/lib/Helper.php
 1 errors
    line   49: OC_Helper - Static method of private class must not be called
Analysing /var/www/html/apps/files/ajax/list.php
 5 errors
    line   30: OC_JSON - Static method of deprecated class must not be called
    line   82: OC_JSON - Static method of deprecated class must not be called
    line   85: OC_JSON - Static method of deprecated class must not be called
    line   93: OC_JSON - Static method of deprecated class must not be called
    line  101: OC_JSON - Static method of deprecated class must not be called
Analysing /var/www/html/apps/files/ajax/download.php
 3 errors
    line   32: OCP\User - Static method of deprecated class must not be called
    line   32: OCP\User::checkLoggedIn - Method of deprecated class must not be called
    line   64: OC_Files - Static method of private class must not be called
App is not compliant

What does this mean?
Thank you!

[nextcloud-bot]

GitMate.io thinks possibly related issues are #11560 (NC14.0.1 & Accessibility 1.01: "App is not compliant"), #11562 (NC14.0.1 & federatedfilesharing 1.4.0: "App is not compliant"), #11561 (NC14.0.1 & dav 1.6.0: "App is not compliant"), #2294 (App Store missing on 10.0.1), and #6028 (Missing icons in Files app after 12.0.1 upgrade).

[MorrisJobke]

Thanks - we will fix it once we do some major refactoring. 👍