I've just installed fresh mate ubuntu 20.04 and have an issue with nm-applet. On wifi icon is ok, but when I apply vpn, then icon became
I have straced nm-applet and can be sure that all icons persist:
openat(AT_FDCWD, "/usr/share/icons/Ambiant-MATE/status/16/nm-secure-lock.svg", O_RDONLY) = 13
fstat(13, {st_mode=S_IFREG|0644, st_size=2699, ...}) = 0
read(13, "<?xml version=\"1.0\" encoding=\"UT"..., 65536) = 2699
read(13, "", 65536) = 0
close(13) = 0
futex(0x7f37a4229f38, FUTEX_WAKE_PRIVATE, 2147483647) = 0
brk(0x561fcb211000) = 0x561fcb211000
openat(AT_FDCWD, "/usr/share/icons/Ambiant-MATE/status/16/nm-signal-25.svg", O_RDONLY) = 13
fstat(13, {st_mode=S_IFREG|0644, st_size=6242, ...}) = 0
read(13, "<?xml version=\"1.0\" encoding=\"UT"..., 65536) = 6242
read(13, "", 65536) = 0
close(13) = 0
openat(AT_FDCWD, "/usr/share/icons/Ambiant-MATE/status/16/nm-signal-50.svg", O_RDONLY) = 13
fstat(13, {st_mode=S_IFREG|0644, st_size=6130, ...}) = 0
read(13, "<?xml version=\"1.0\" encoding=\"UT"..., 65536) = 6130
read(13, "", 65536) = 0
close(13) = 0
For some themes locked-wifi-icon is ok, but for default Ambian-MATE it is not. Can't get why so.