Cannot find plugins: [emqx_auth_username]

[Omega236]

Environment

• Docker: emqx/emqx:4.3.1-alpine-amd64

Description

I want to use the plugin emqx_auth_username.

so i set this env:
EMQX_LOADED_PLUGINS: 'emqx_management,emqx_recon,emqx_retainer,emqx_dashboard,emqx_auth_username'

But on start i get the Error:

[alert] [Plugins] Cannot find plugins: [emqx_auth_username]

[ctellechea2001]

@Omega236 I have the same issue with version 4.3.5 in docker

-e EMQX_LOADED_PLUGINS="emqx_recon,emqx_retainer,emqx_management,emqx_dashboard,emqx_rule_engine,emqx_auth_redis,emqx_auth_jwt,emqx_auth_username,emqx_statsd" \

Starting emqx on node fce083e52900@172.17.0.2
2021-07-30T14:34:32.966151+00:00 [alert] [Plugins] cannot_find_plugins: [emqx_auth_username,emqx_statsd]
2021-07-30T14:34:32.984587+00:00 [debug] Adding Defaults
2021-07-30T14:34:32.984724+00:00 [debug] Right Hand Side Substitutions
2021-07-30T14:34:32.984788+00:00 [debug] Applying Datatypes

Working fine in V 4.1.1