Slackclient

Changes

* 971 972 973 v3.4.1 fails with serialized attachments parameter in chat.* method calls - Thanks pmarkert eddyg

---
* All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/34?closed=1
* All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.4.1...v3.4.2

Changes

* 969 Add public_channel type support for admin.analytics.getFile API - Thanks seratch
* 965 966 The "`text` missing" warning is technically not always accurate - Thanks eddyg
* 963 Add the browser version link in redirect_uri web page - Thanks seratch

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* All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/33?closed=1
* All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.4.0...v3.4.1

New Features

Better HTTP proxy support

In this version, better proxy configuration supports are added to all API clients support.

* `http://{username}:{password}{host}:{port}` format support
`HTTPS_PROXY` / `HTTP_PROXY` env variables support

Changes

We've improved the internals of RTMClient v2 in this release. If you are using the module, we highly recommend upgrading to this version.

* 954 Better proxy auth support in all API clients - Thanks seratch
* 953 `HTTPS_PROXY` / `HTTP_PROXY` env variable supports in all API clients - Thanks seratch
* 959 960 961 Improve the stability of RTMClient v2 - Thanks nzlosh seratch
* 957 Deprecate `slack_sdk.models.messages` and `slack_sdk.models.dialoags` (misspelled name) - Thanks seratch eddyg

---
* All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/28?closed=1
* All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.3.2...v3.4.0

Changes

* 951 952 948 Add proxy support in built-in SocketModeClient - Thanks seratch psykzz franco-martin
* 949 Fix bugs in RTMClient v2's disconnect/close method - Thanks nzlosh

---
* All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/30?closed=1
* All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.3.1...v3.3.2

Changes

* 947 Enable to use snake_cased keys for dict arg in `SCIMClient`/`AsyncSCIMClient` - Thanks seratch

---
* All issues/pull requests: https://github.com/slackapi/python-slack-sdk/milestone/29?closed=1
* All changes: https://github.com/slackapi/python-slack-sdk/compare/v3.3.0...v3.3.1

Mainly for the deprecation notice in the PyPI package page: https://pypi.org/project/slackclient/

Here is [the list of issues](https://github.com/slackapi/python-slack-sdk/milestone/25?closed=1) for the release.