The new font relies on some different mechanism to determine the style of a given typeface, as each different style points to a same file. The old font doesn't do that. Maybe that could be tripping the resolution.
---> # ubuntu-fonts lrwxrwxrwx 1 root root 20 jun 21 10:35 UbuntuMono-B.ttf -> 'UbuntuMono[wght].ttf' lrwxrwxrwx 1 root root 27 jun 21 10:35 UbuntuMono-BI.ttf -> 'UbuntuMono-Italic[wght].ttf' -rw-r--r-- 1 root root 169K mar 24 2023 'UbuntuMono-Italic[wght].ttf' lrwxrwxrwx 1 root root 20 jun 21 10:35 UbuntuMono-R.ttf -> 'UbuntuMono[wght].ttf' lrwxrwxrwx 1 root root 27 jun 21 10:35 UbuntuMono-RI.ttf -> 'UbuntuMono-Italic[wght].ttf' -rw-r--r-- 1 root root 169K mar 24 2023 'UbuntuMono[wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-B.ttf -> 'Ubuntu[wdth,wght].ttf' lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-BI.ttf -> 'Ubuntu-Italic[wdth,wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-C.ttf -> 'Ubuntu[wdth,wght].ttf' -rw-r--r-- 1 root root 664K jun 21 10:34 'Ubuntu-Italic[wdth,wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-L.ttf -> 'Ubuntu[wdth,wght].ttf' lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-LI.ttf -> 'Ubuntu-Italic[wdth,wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-M.ttf -> 'Ubuntu[wdth,wght].ttf' lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-MI.ttf -> 'Ubuntu-Italic[wdth,wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-R.ttf -> 'Ubuntu[wdth,wght].ttf' lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-RI.ttf -> 'Ubuntu-Italic[wdth,wght].ttf' lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-Th.ttf -> 'Ubuntu[wdth,wght].ttf' -rw-r--r-- 1 root root 1,1M jun 21 10:34 'Ubuntu[wdth,wght].ttf'
# ubuntu-fonts-classic -rw-r--r-- 1 root root 187K set 26 2011 UbuntuMono-B.ttf -rw-r--r-- 1 root root 212K set 26 2011 UbuntuMono-BI.ttf -rw-r--r-- 1 root root 201K set 26 2011 UbuntuMono-R.ttf -rw-r--r-- 1 root root 206K set 26 2011 UbuntuMono-RI.ttf -rw-r--r-- 1 root root 326K jul 10 2015 Ubuntu-B.ttf -rw-r--r-- 1 root root 349K jul 10 2015 Ubuntu-BI.ttf -rw-r--r-- 1 root root 343K jul 10 2015 Ubuntu-C.ttf -rw-r--r-- 1 root root 406K jul 10 2015 Ubuntu-L.ttf -rw-r--r-- 1 root root 401K jul 10 2015 Ubuntu-LI.ttf -rw-r--r-- 1 root root 334K jul 10 2015 Ubuntu-M.ttf -rw-r--r-- 1 root root 359K jul 10 2015 Ubuntu-MI.ttf -rw-r--r-- 1 root root 346K jul 10 2015 Ubuntu-R.ttf -rw-r--r-- 1 root root 378K jul 10 2015 Ubuntu-RI.ttf -rw-r--r-- 1 root root 235K fev 18 2022 Ubuntu-Th.ttf <---
Edit: The symlinks can be deleted, they are meant just for a smooth upgrade mechanism, and have no effect in the problem here described.
The new font relies on some different mechanism to determine the style of a given typeface, as each different style points to a same file. The old font doesn't do that. Maybe that could be tripping the resolution.
---> wght].ttf' Italic[ wght].ttf' Italic[ wght].ttf' wght].ttf' Italic[ wght].ttf' wght].ttf' wdth,wght] .ttf' Italic[ wdth,wght] .ttf' wdth,wght] .ttf' Italic[ wdth,wght] .ttf' wdth,wght] .ttf' Italic[ wdth,wght] .ttf' wdth,wght] .ttf' Italic[ wdth,wght] .ttf' wdth,wght] .ttf' Italic[ wdth,wght] .ttf' wdth,wght] .ttf' wdth,wght] .ttf'
# ubuntu-fonts
lrwxrwxrwx 1 root root 20 jun 21 10:35 UbuntuMono-B.ttf -> 'UbuntuMono[
lrwxrwxrwx 1 root root 27 jun 21 10:35 UbuntuMono-BI.ttf -> 'UbuntuMono-
-rw-r--r-- 1 root root 169K mar 24 2023 'UbuntuMono-
lrwxrwxrwx 1 root root 20 jun 21 10:35 UbuntuMono-R.ttf -> 'UbuntuMono[
lrwxrwxrwx 1 root root 27 jun 21 10:35 UbuntuMono-RI.ttf -> 'UbuntuMono-
-rw-r--r-- 1 root root 169K mar 24 2023 'UbuntuMono[
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-B.ttf -> 'Ubuntu[
lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-BI.ttf -> 'Ubuntu-
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-C.ttf -> 'Ubuntu[
-rw-r--r-- 1 root root 664K jun 21 10:34 'Ubuntu-
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-L.ttf -> 'Ubuntu[
lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-LI.ttf -> 'Ubuntu-
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-M.ttf -> 'Ubuntu[
lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-MI.ttf -> 'Ubuntu-
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-R.ttf -> 'Ubuntu[
lrwxrwxrwx 1 root root 28 jun 21 10:35 Ubuntu-RI.ttf -> 'Ubuntu-
lrwxrwxrwx 1 root root 21 jun 21 10:35 Ubuntu-Th.ttf -> 'Ubuntu[
-rw-r--r-- 1 root root 1,1M jun 21 10:34 'Ubuntu[
# ubuntu- fonts-classic
-rw-r--r-- 1 root root 187K set 26 2011 UbuntuMono-B.ttf
-rw-r--r-- 1 root root 212K set 26 2011 UbuntuMono-BI.ttf
-rw-r--r-- 1 root root 201K set 26 2011 UbuntuMono-R.ttf
-rw-r--r-- 1 root root 206K set 26 2011 UbuntuMono-RI.ttf
-rw-r--r-- 1 root root 326K jul 10 2015 Ubuntu-B.ttf
-rw-r--r-- 1 root root 349K jul 10 2015 Ubuntu-BI.ttf
-rw-r--r-- 1 root root 343K jul 10 2015 Ubuntu-C.ttf
-rw-r--r-- 1 root root 406K jul 10 2015 Ubuntu-L.ttf
-rw-r--r-- 1 root root 401K jul 10 2015 Ubuntu-LI.ttf
-rw-r--r-- 1 root root 334K jul 10 2015 Ubuntu-M.ttf
-rw-r--r-- 1 root root 359K jul 10 2015 Ubuntu-MI.ttf
-rw-r--r-- 1 root root 346K jul 10 2015 Ubuntu-R.ttf
-rw-r--r-- 1 root root 378K jul 10 2015 Ubuntu-RI.ttf
-rw-r--r-- 1 root root 235K fev 18 2022 Ubuntu-Th.ttf
<---
Edit: The symlinks can be deleted, they are meant just for a smooth upgrade mechanism, and have no effect in the problem here described.