Merge pull request #438 from Tencent/release/v1.6.0

Release/v1.6.0

Merge pull request #423 from Tencent/release/v1.5.0

Release/v1.5.0

Merge pull request #418 from Tencent/release/v1.4.0

Release/v1.4.0

Merge pull request #402 from Tencent/release/v1.3.1

Release/v1.3.1

Merge pull request #399 from Tencent/release/v1.3.0

Release/v1.3.0

Merge pull request #389 from Tencent/release/v1.2.0

Release/v1.2.0

Merge pull request #371 from Tencent/release/v1.1.0

Release/v1.1.0

Merge pull request #351 from Tencent/release/v1.0.0

Release/v1.0.0

Merge pull request #337 from Tencent/release/v0.15.0

Release/v0.15.0

Merge pull request #319 from Tencent/release/v0.14.0

Release/v0.14.0