21

My telegram font changed after upgrading to 18.10! Does anyone know why this happened?

screenshot

When i open telegram in command line these errors appear:

Fontconfig warning: line 5: unknown element "its:rules"
Fontconfig warning: line 6: unknown element "its:translateRule"
Fontconfig error: line 6: invalid attribute 'translate'
Fontconfig error: line 6: invalid attribute 'selector'
Fontconfig error: line 7: invalid attribute 'xmlns:its'
Fontconfig error: line 7: invalid attribute 'version'
Fontconfig warning: line 9: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/10-hinting-slight.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/10-hinting-slight.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/10-scale-bitmap-fonts.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/10-sub-pixel-rgb.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/11-lcdfilter-default.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/20-unhint-small-vera.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/30-metric-aliases.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/30-metric-aliases.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/30-metric-aliases.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/30-metric-aliases.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/30-metric-aliases.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/40-nonlatin.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/40-nonlatin.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/40-nonlatin.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/40-nonlatin.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/40-nonlatin.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/40-nonlatin.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/40-nonlatin.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/45-generic.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/45-generic.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/45-generic.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/45-generic.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/45-generic.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/45-generic.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/45-generic.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/45-latin.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/45-latin.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/45-latin.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/45-latin.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/45-latin.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/45-latin.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/45-latin.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/49-sansserif.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/49-sansserif.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/49-sansserif.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/49-sansserif.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/49-sansserif.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/50-user.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/50-user.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/50-user.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/50-user.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/50-user.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/51-local.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/51-local.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/51-local.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/51-local.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/51-local.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/51-local.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/51-local.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/60-generic.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/60-generic.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/60-generic.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/60-generic.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/60-generic.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/60-generic.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/60-generic.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/60-latin.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/60-latin.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/60-latin.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/60-latin.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/60-latin.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/60-latin.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/60-latin.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/65-fonts-persian.conf", line 34: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/65-fonts-persian.conf", line 35: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/65-fonts-persian.conf", line 35: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/65-fonts-persian.conf", line 35: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/65-fonts-persian.conf", line 36: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/65-fonts-persian.conf", line 36: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/65-nonlatin.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/65-nonlatin.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/65-nonlatin.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/65-nonlatin.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/65-nonlatin.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/65-nonlatin.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/65-nonlatin.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/69-unifont.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/69-unifont.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/69-unifont.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/69-unifont.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/69-unifont.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/69-unifont.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/70-no-bitmaps.conf", line 8: unknown element "description"
Fontconfig warning: "/etc/fonts/conf.d/80-delicious.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/80-delicious.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/80-delicious.conf", line 6: invalid attribute 'version'
Fontconfig warning: "/etc/fonts/conf.d/90-synthetic.conf", line 4: unknown element "its:rules"
Fontconfig warning: "/etc/fonts/conf.d/90-synthetic.conf", line 5: unknown element "its:translateRule"
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 5: invalid attribute 'translate'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 5: invalid attribute 'selector'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 6: invalid attribute 'xmlns:its'
Fontconfig error: "/etc/fonts/conf.d/90-synthetic.conf", line 6: invalid attribute 'version'
Fontconfig error: Cannot load default config file

Answer:

I solved the problem by changing ~/.local/share/TelegramDesktop/tdata/fc-custom-1.conf contents to:

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
    <dir>/usr/share/fonts</dir>
    <dir>/usr/local/share/fonts</dir>


    <dir>/usr/X11R6/lib/X11/fonts</dir>
    <dir prefix="xdg">fonts</dir>
    <match target="pattern">
        <test qual="any" name="family">
            <string>mono</string>
        </test>
        <edit name="family" mode="assign" binding="same">
            <string>monospace</string>
        </edit>
    </match>
    <match target="pattern">
        <test qual="any" name="family">
            <string>sans serif</string>
        </test>
        <edit name="family" mode="assign" binding="same">
            <string>sans-serif</string>
        </edit>
    </match>
    <match target="pattern">
        <test qual="any" name="family">
            <string>sans</string>
        </test>
        <edit name="family" mode="assign" binding="same">
            <string>sans-serif</string>
        </edit>
    </match>
    <cachedir>/var/cache/fontconfig_11</cachedir>
    <cachedir prefix="xdg">fontconfig_11</cachedir>
    <cachedir>~/.fontconfig_11</cachedir>
    <match target="font">
    <edit mode="assign" name="antialias">
        <bool>true</bool>
    </edit>
    <edit mode="assign" name="embeddedbitmap">
        <bool>false</bool>
    </edit>
    <edit mode="assign" name="hinting">
        <bool>true</bool>
    </edit>
    <edit mode="assign" name="hintstyle">
        <const>hintslight</const>
    </edit>
    <edit mode="assign" name="lcdfilter">
        <const>lcddefault</const>
    </edit>
    <edit mode="assign" name="rgba">
        <const>rgb</const>
    </edit>
    </match>
</fontconfig>

and creating a directory named fonts next to the fc-custom-1.conf file and pasting a font named B_Nazanin_YasDL.com.ttf into this directory.

6
  • What version of Telegram are using? Check this link askubuntu.com/questions/954165/properly-update-telegram – JoKeR Nov 1 '18 at 23:34
  • @JoKeR Telegram 1.4.2 – Alireza Afzal aghaei Nov 2 '18 at 10:01
  • You should try to downgrade your fonts library. Im trying the same. If I succeed I will let you know. – Sep GH Nov 4 '18 at 8:00
  • 1
    Or you should wait for telegram to provide a new version with font support – Sep GH Nov 4 '18 at 8:08
  • just install telegram from Ubuntu archive Source – hossein Nov 11 '18 at 18:07
17

I encountered the exact same problem after upgrading Kubuntu 18.04 to 18.10 !

Trying to figure out what is this weird font, I browsed and found out that Telegram is using KacstArt font (probably because this is the first font in the list when it fetches all system fonts).

I solved my problem by limiting telegram font search-paths into a single isolated folder that contains only my desired font. The procedure goes like this:

  1. There is a font configuration file ~/.local/share/TelegramDesktop/tdata/fc-custom-1.conf open it up.
  2. Comment out all <dir> and <cachedir> entries there (simply wrap them between <!-- and -->).
  3. Add a <dir>[your desired folder]</dir> just after <fontconfig> at the beginning of the file with [your desired folder] being the path pointing to a custom folder containing only your desired font.
    (e.g. I created a folder in ~/.local/share/TelegramDesktop/tdata/myfonts then added tahoma.ttf and tahomab.ttf there)
  4. Restart telegram and enjoy.
1
  • 1
    Putting your desired font in ~/.fonts and commenting out every dir but that might be a slightly faster fix. – WiGeeky Jun 28 '19 at 23:16
10

Here is how I fixed this issue for Persian:

  • Close Telegram
  • Create directory: ~/.fonts
  • Add a font with its different weights [I used Vazir]
  • Create file: ~/.fonts.conf and add these lines to it:
<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
    <match target="pattern">
        <test name="family" qual="any">
            <string>sans serif</string>
        </test>
        <edit mode="assign" binding="same" name="family">
            <string>Vazir</string>
        </edit>
    </match>
    <dir>~/.fonts</dir>
</fontconfig>

  • Clear font caches:

fc-cache -f -v

rm -r ~/.cache/fontconfig_11

  • Now open Telegram :)
2
  • 2
    For portable telegram application in debian-XFCE system just only copy Vazir fonts pack into the .local/share/fonts/ and restart telegram solve the issue. – EsmaeelE Sep 12 '19 at 20:01
  • Complete answer in Persian language on Iranian UBUNTU Community link – EsmaeelE Dec 20 '19 at 23:15
8

Just remove it and install from Ubuntu archive.

sudo apt install snapd

sudo snap install telegram-desktop
0
7

Update: Since telegram 1.8.4 there is no fc-custom-1.conf file, so here is another solution (assuming that the telegram binary is in /opt/Telegram/Telegram):

  1. Create a config file for telegram font (path is optional):

    touch /opt/Telegram/fonts.conf
    

    and add these lines to it:

    <?xml version='1.0'?>
    <!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
    <fontconfig>
    
     <match>
      <edit mode="prepend" name="family">
       <string>Vazir</string>
      </edit>
     </match>
    
     <dir>~/.local/share/fonts</dir>
     <dir>/usr/share/fonts/</dir>
    
    </fontconfig>
    

    I used Vazir font, if you want to use another font(e.g. Tahoma) you must change the <string>Vazir</string> to <string>Tahoma</string>.

  2. Modify the telegram .desktop file, which is located at ~/.local/share/applications/telegramdesktop.desktop, to:

    [Desktop Entry]
    Version=1.0
    Name=Telegram Desktop
    Comment=Official desktop application for the Telegram messaging service
    TryExec=/opt/Telegram/Telegram
    Exec=env FONTCONFIG_FILE=/opt/Telegram/fonts.conf /opt/Telegram/Telegram -- %u
    Icon=telegram
    Terminal=false
    StartupWMClass=TelegramDesktop
    Type=Application
    Categories=Network;InstantMessaging;Qt;
    MimeType=x-scheme-handler/tg;
    Keywords=tg;chat;im;messaging;messenger;sms;tdesktop;
    X-GNOME-UsesNotifications=true
    X-Desktop-File-Install-Version=0.23
    
  3. Place your font in ~/.local/share/fonts.

3
  • Thank you! it works perfect. – H. Najafi Feb 14 '20 at 21:33
  • Only this answer worked on Telegram 2.0.1 – Mahdi Abdi Mar 31 '20 at 12:50
  • this solution worked for me. – Milad Khajavi Dec 16 '20 at 16:55
3

Just simply remove this file by typing this command in your terminal :

killall Telegram && rm -rf ~/.local/share/TelegramDesktop/tdata/fc-custom-1.conf
1
2

Close Telegram app

Copy your font to a directory (for example cp Tahome.ttf /home/alice/Telegram)

vim ~/.local/share/TelegramDesktop/tdata/fc-custom-1.conf 

remove all <dir> </dir>

add one <dir>path_to_your_font_dir</dir>

then change all font name to your font name.

My config like:

<?xml version='1.0'?>
<!DOCTYPE fontconfig SYSTEM 'fonts.dtd'>
<fontconfig>
        <dir>/home/alice/Telegram</dir>
        <dir prefix="xdg">fonts</dir>
        <match target="pattern">
                <test qual="any" name="family">
                        <string>Tahoma</string>
                </test>
                <edit name="family" mode="assign" binding="same">
                        <string>Tahoma</string>
                </edit>
        </match>
        <cachedir>/var/cache/fontconfig_11</cachedir>
        <cachedir prefix="xdg">fontconfig_11</cachedir>
        <cachedir>~/.fontconfig_11</cachedir>
        <match target="font">
        <edit mode="assign" name="antialias">
                <bool>true</bool>
        </edit>
        <edit mode="assign" name="embeddedbitmap">
                <bool>false</bool>
        </edit>
        <edit mode="assign" name="hinting">
                <bool>true</bool>
        </edit>
        <edit mode="assign" name="hintstyle">
                <const>hintslight</const>
        </edit>
        <edit mode="assign" name="lcdfilter">
                <const>lcddefault</const>
        </edit>
        <edit mode="assign" name="rgba">
                <const>rgb</const>
        </edit>
        </match>
</fontconfig>

then

fc-cache -f -v
rm -r ~/.cache/fontconfig_11

Open Telegram app :-)

0

What Nima said will work, but the best way is to install the snap or the flatpak version of telegram.

first purge your current installation:

sudo apt purge telegram-desktop

then delete the following folder:

sudo rm -rf ~/.local/share/TelegramDesktop

then you can simply do the following :

sudo apt install snapd && sudo snap install telegram-desktop
1
  • not good idea ! try solving problems not covering up – sam nikzad Dec 24 '20 at 9:12
0

just install a Persian font like Shabnam or any other Persian fonts you like and restart your system.

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