content blocker don't use custom rules or user added rules

[lumpsoid]

machine: Linux 6.10.1-arch1-1
otter-browser: Otter 1.0.81-dev
Web backend: Blink Backend (experimental) 87.0.4280.144.
SSL library version: BoringSSL.
installed with: yay -S otter-browser-git

1. opened content blocker page
2. added new empty profile
3. added name myTest
4. added category Other
5. pressed Source tab
6. added line *$font
7. pressed Save button
8. pressed Ok button
9. pressed Save button on content blocker page
10. reloaded web page https://help.adblockplus.org/hc/en-us/articles/360062733293-How-to-write-filters Ctrl+Shift+R
11. all fonts still fetched

make several attempts with $font, and different specific rules like ||static.zdassets.com/hc/assets/VoteControls-dbf9ac073b7ad607a81f77355806121f.js with the same web page mentioned earlier

tried enabling Enable wildcard expressions setting - didn't work
tried to add this rules into preadded ones - didn't work
tried to add this rules into txt files inside ~/.config/otter/contentBlocking/custom.txt - didn't work