After update cannot open files, tries to download

Just updated to Nextcloud Hub 8 (29.0.16). Now I cannot edit markdown files. Instead, NC tries to download them.

$uname -a
Linux fir 4.18.0-553.87.1.el8_10.x86_64 #1 SMP Tue Nov 25 00:57:14 EST 2025 x86_64 x86_64 x86_64 GNU/Linux

$httpd -v
Server version: Apache/2.4.37 (Red Hat Enterprise Linux)
Server built: Jul 28 2025 12:03:53

$ php -v
PHP 8.0.30

Nextcloud client: 3.2.4.4

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