Thanks Anton,
I re-created the file with your sample.
ally@bbb-test3:~$ ls -la /etc/bigbluebutton/
total 28
drwxr-xr-x 4 root root 4096 Mar 18 01:09 .
drwxr-xr-x 112 root root 4096 Mar 17 19:11 ..
drwxr-xr-x 2 root root 4096 Mar 12 01:29 bbb-conf
-rwxrwxr-x 1 bigbluebutton bigbluebutton 47 Mar 18 01:09 bbb-html5.yml
-rw-r--r-- 1 root root 36 Feb 19 23:30 bigbluebutton-release
drwxr-xr-x 2 root root 4096 Mar 12 01:32 nginx
-rwxr-xr-x 1 root root 36 Feb 19 23:30
nopdfmark.psally@bbb-test3:~$
ally@bbb-test3:~$ cat /etc/bigbluebutton/bbb-html5.yml
public:
app:
html5ClientBuild: 123456789
ally@bbb-test3:~$
I tried with bigbluebutton ownership and root. I restarted with systemctl and created a meeting each time.
No changes.
Anything else I can try?