What this mean "[MONGOOSE] DeprecationWarning: Mongoose"?

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#1

Hello, community
Hope you are doing well.

I am building simple express backend api server.
Run this command in project terminal.

node --trace-deprecation src/index.js

And I can see following error.

(node:17196) [MONGOOSE] DeprecationWarning: Mongoose: the `strictQuery` option will be switched back to `false` by default in Mongoose 7. Use `mongoose.set('strictQuery', false);` if you want to prepare for this change. Or use `mongoose.set('strictQuery', true);` to suppress this warning.
    at Mongoose.connect (E:\my-project\node_modules\mongoose\lib\index.js:405:5)
    at main (E:\my-project\src\index.js:13:18)
    at Object.<anonymous> (E:\XXXXXXXXXXX\express-basic-backend-structure\src\index.js:10:1)
    at Module._compile (node:internal/modules/cjs/loader:1218:14)
    at Module._extensions..js (node:internal/modules/cjs/loader:1272:10)
    at Module.load (node:internal/modules/cjs/loader:1081:32)
    at Module._load (node:internal/modules/cjs/loader:922:12)
    at Function.executeUserEntryPoint [as runMain] (node:internal/modules/run_main:81:12)
    at node:internal/main/run_main_module:23:47

I need your help.

Used Express 4.18.2, MongoDB 6.04, Node.js 18.13.0, mongoose 6.84

Thanks in advance.

#2 
DeprecationWarning:
 Mongoose: the `strictQuery` option will be switched back
  to `false` by default in Mongoose 7.

Use `mongoose.set('strictQuery', false);` if you want to prepare for this change.

Or use `mongoose.set('strictQuery', true);` to suppress this warning

it means a breaking change is on the way with mongoose version 7, and it also says what you need to do if your queries are tied tight on this strictness, or experience differences with version 7. check mongoose documentation to find out what it means: Mongoose v6.9.0: Schemas

but do not confuse this with MongoDB itself as this is a behavior of your schemas queries for mongoose.