MySQL conversion syntax error at or near "\" about pgloader

[fmasclef]

Same issue on character {. Quite the same CREATE statement.

2024-02-28T14:16:45.811995Z ERROR Database error 42601: syntax error at or near "{"
QUERY: CREATE TABLE destination.awesome_table
(
  id                       char(36) not null,
  my_awesome_field           json not null default '_utf8mb4\'{}\''
);
2024-02-28T14:16:45.815995Z FATAL Failed to create the schema, see above.

[Gitii]

I am also affected.
I worked around this issue by temporally removing the default value and later adding it back (in the destination database).

[alenaobraz]

I have the same issue in my migration:

2024-04-16T13:54:31.640007Z ERROR Database error 42601: syntax error at or near "["
QUERY: CREATE TABLE public.email_template
(
  id               int not null,
  type             varchar(50) not null,
  status           smallint not null,
  version          int not null,
  subject          varchar(250) not null,
  body             text not null,
  created_at       timestamptz not null,
  updated_at       timestamptz not null,
  sender_id        int,
  base_template_id int,
  title            varchar(255),
  settings         json default '_utf8mb4\'[]\''
);
2024-04-16T13:54:31.660007Z FATAL Failed to create the schema, see above.
2024-04-16T13:54:31.668007Z LOG report summary reset
       table name     errors       rows      bytes      total time
-----------------  ---------  ---------  ---------  --------------
  fetch meta data          0       1514                     0.520s
   Create Schemas          0          0                     0.004s
 Create SQL Types          0          0                     0.020s
    Create tables          0          0                     0.000s
-----------------  ---------  ---------  ---------  --------------
-----------------  ---------  ---------  ---------  --------------

Tried to fix it with something like
before load do $$ alter table email_template alter settings set default null; $$
but had no luck