Dify: v0.5.5

- Adding SMTP method for sending emails. Thanks @jonahcui! - Fix some problems. ## Update Guide ### Deploying with Docker Compose: 1. Get the latest code from the main branch: ```shell git checkout main git pull origin main ``` 2. Go to the next step and update to the latest image: ```shell cd docker docker-compose up -d ``` ### Deploying from Source Code: 1. Stop API server, Worker and Web frontend Server. 2. Get the latest code from the main branch: ```shell git checkout main git pull origin main ``` 3. Then, let's run the migration script: ```shell cd api flask db upgrade ``` **Note**: To use TTS, `ffmpeg` installation is required on servers running Dify API from source. More details can be found in our [FAQ](https://docs.dify.ai/getting-started/install-self-hosted/install-faq#id-14.-what-to-do-if-this-error-occurs-in-text-to-speech). 4. Finally, run API server, Worker and Web frontend Server again. ## What's Changed * fix: api based extension modal title by @zxhlyh in https://github.com/langgenius/dify/pull/2414 * fix: typo in package path of core.splitter by @crazywoola in https://github.com/langgenius/dify/pull/2411 * fix: studio/api doc by @wlbksy in https://github.com/langgenius/dify/pull/2415 * chore: apply F811 linter rule to eliminate redefined imports and methods by @bowenliang123 in https://github.com/langgenius/dify/pull/2412 * feat: add support for smtp when send email by @jonahcui in https://github.com/langgenius/dify/pull/2409 * fix: chat agent mode content copy by @zxhlyh in https://github.com/langgenius/dify/pull/2418 * chore: apply ruff's pyflakes linter rules by @bowenliang123 in https://github.com/langgenius/dify/pull/2420 * clean: remove no-use ecc_aes.py by @takatost in https://github.com/langgenius/dify/pull/2426 * fix: possible unsent function call in the last chunk of streaming response in OpenAI provider by @bowenliang123 in https://github.com/langgenius/dify/pull/2422 * chore: apply ruff's pyupgrade linter rules to modernize Python code with targeted version by @bowenliang123 in https://github.com/langgenius/dify/pull/2419 * fix: List not found in account service by @takatost in https://github.com/langgenius/dify/pull/2434 * fix recreating users' default tenant relations when loading user by @bowenliang123 in https://github.com/langgenius/dify/pull/2408 * fix: account has no owner workspace by member inviting by @takatost in https://github.com/langgenius/dify/pull/2435 * pref: optimize add hit count query performance when dataset hit by @takatost in https://github.com/langgenius/dify/pull/2436 * Fix tool provider credential caching issue by @Yeuoly in https://github.com/langgenius/dify/pull/2433 * fix: variable in opener by @zxhlyh in https://github.com/langgenius/dify/pull/2437 * version to 0.5.5 by @takatost in https://github.com/langgenius/dify/pull/2440 ## New Contributors * @wlbksy made their first contribution in https://github.com/langgenius/dify/pull/2415 * @jonahcui made their first contribution in https://github.com/langgenius/dify/pull/2409 **Full Changelog**: https://github.com/langgenius/dify/compare/0.5.4...0.5.5