Error：'utf8_unicode_ci' is not valid for CHARACTER SET 'utf8mb4'

[DaPoHou]

I changed the database sorting rule from utf8_unicode_ci to utf8mb4_unicode_ci

MariaDB -10.4.17
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci

Does not seem to work with utf8mb4.

Open Place list page:
SQLSTATE[42000]: Syntax error or access violation: 1253 COLLATION 'utf8_unicode_ci' is not valid for CHARACTER SET 'utf8mb4' (SQL: select p_placefromwt_placeswherep_file= 2 andp_parent_id= 0 order by p_place /*! COLLATE utf8_unicode_ci */ asc) …/vendor/illuminate/database/Connection.php:664 #0 …/vendor/illuminate/database/Connection.php(624): Illuminate\Database\Connection->runQueryCallback() #1 …/vendor/illuminate/database/Connection.php(333): Illuminate\Database\Connection->run() #2 …/vendor/illuminate/database/Query/Builder.php(2130): Illuminate\Database\Connection->select() #3 …/vendor/illuminate/database/Query/Builder.php(2324): Illuminate\Database\Query\Builder->runSelect() #4 …/vendor/illuminate/database/Query/Builder.php(2604): Illuminate\Database\Query\Builder->Illuminate\Database\Query\{closure}() #5 …/vendor/illuminate/database/Query/Builder.php(2326): Illuminate\Database\Query\Builder->onceWithColumns() #6 …/app/Place.php(193): Illuminate\Database\Query\Builder->pluck() #7 …/app/Module/PlaceHierarchyListModule.php(284): Fisharebest\Webtrees\Place->getChildPlaces() #8 …/app/Module/PlaceHierarchyListModule.php(219): Fisharebest\Webtrees\Module\PlaceHierarchyListModule->getHierarchy() #9 …/app/Http/Middleware/WrapHandler.php(66): Fisharebest\Webtrees\Module\PlaceHierarchyListModule->handle() #10 …/vendor/oscarotero/middleland/src/Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\WrapHandler->process() #11 …/app/Http/Middleware/CheckCsrf.php(75): Middleland\Dispatcher->handle() #12 …/vendor/oscarotero/middleland/src/Dispatcher.php(136): Fisharebest\Webtrees\Http\Middleware\CheckCsrf->process() #13 …/vendor/oscarotero/middleland/src/Dispatcher.php(118): Middleland\Dispatcher->handle()
After Administrator Login, Website Log：
SQLSTATE[42000]: Syntax error or access violation: 1253 COLLATION 'utf8_bin' is not valid for CHARACTER SET 'utf8mb4' (SQL: select n_surname /*! COLLATE utf8_bin */ AS surname, count(*) AS total from wt_namewheren_file= 2 and n_surn /*! COLLATE utf8_bin */ = 印 group bysurname) …/vendor/illuminate/database/Connection.php:664 #0 …/vendor/illuminate/database/Connection.php(624): Illuminate\Database\Connection->runQueryCallback() #1 …/vendor/illuminate/database/Connection.php(333): Illuminate\Database\Connection->run() #2 …/vendor/illuminate/database/Query/Builder.php(2130): Illuminate\Database\Connection->select() #3 …/vendor/illuminate/database/Query/Builder.php(2324): Illuminate\Database\Query\Builder->runSelect() #4 …/vendor/illuminate/database/Query/Builder.php(2604): Illuminate\Database\

[fisharebest]

Does not seem to work with utf8mb4.

Correct. This issue is already known. See #2950

[DaPoHou]

Mariadb is support utf8mb4_general_ci.
https://mariadb.com/kb/en/supported-character-sets-and-collations/
I backed up the database and re-imported it by changing the VARCHAR(255) in the SQL file to VARCHAR(191). Is it possible to support utf8mb4_general_ci