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support grpc as communication in task for psi and pir psi task supports integer type raise exception when python task executes failed and notify to client optimise FL-V-XBG Ray-cluster as parallel way to accelerate cipher text encryption or de-encryption or sum operation

1. Add search meta data using redis.
2. Add python log format.

Main features:

1. keyword pir support query word using dataset or string
2. Modify the decimal calculation accuracy in the four operations to be determined by parameter transfer
3. using stream interface to exchange data for psi and pir task

Main features:

• LR refactor.
• Keyword PIR use APSI library.
• SQLite dataset support.
• Missing value and exception value processing tasks.
• ABY3 mul/div express.
• Devops optimization.

MPC:

1. Add mpc compare operator implement and it's test case.

FL:

1. Add homo logistic regression model;
2. Support prediction using homo logistic regression.

BUG FIX:

1. fix "task-type is not specific" error in previous edition.

1. kkrt PSI support.
2. Node

• Notify channel module.
• Integrated Apache arrow flight server.

3. Python SDK

• Client support submitting remote tasks asynchronously
• Supports obtaining remote task execution status, running logs, and execution results
• Support Flight Arrow dataset upload and download
• Python SDK Client exit management.
• Python SDK installation improvement.

4. FL hetero-LR.

1. PSI/PIR multithreading, parameter optimization.
2. (FL) XGB supports classification tasks and regression tasks.
3. (FL) Vertical LR tripartite joint modeling.

1. Integrate LibPSI
2. Flight Dataset server
3. TEE (Gramine)
4. Python SDK:

• Data client
• Basic MPC API support: remote function, dataset definition, channel, data reference，get result.

5. FL improvement.

1. Python SDK: Basic MPC API support: remote function, channel.
2. FL: feature-engineering
3. PSI/PIR paramaters enhancement.
4. E2E test