Sourced from grpcio's releases.

Release v1.26.0

This is the 1.26.0 release (gon) of gRPC Core.

Please see the notes for the previous releases here: https://github.com/grpc/grpc/releases. Please consult https://grpc.io/ for all information regarding this product.

This release contains refinements, improvements, and bug fixes, with highlights listed below.

Core

• Fix compression filter crash on empty payload. (#21315)
• Ensure awake pollset_work threads exist on Windows. (#19311)
• Disable client_idle_filter. (#20910)
• Remove gpr_get/set_allocation_functions. (#20462)
• Security audit response. (#20839)

C++

• Automatically disable testing frameworks if gRPC_BUILD_TESTS=OFF. (#20976)
• Do not build channelz when gRPC_USE_PROTO_LITE. (#21011)
• Add options for all codegen plugins. (#20629)
• gRPC-C++ podspec follows gRPC versioning. (#20977)
• Issue 19208: Fix pollset_set_del_fd to cleanup all fd references. (#20452)
• De-duplicate .proto file processing. (#20537)
• cmake: Add VERSION and SOVERSION properties to libraries. (#20770)

C#

• C# Fix Unobserved Task Exception problem for cancelled calls with unexhausted response stream. (#21202)
• Fix C# sending empty payloads with gzip compression. (#21266)
• C#: fix #20782. (#20859)

Objective-C

• Update GRPCUnaryResponseHandler with generics. (#21316)

Python

• Release Python3.8 wheels for Windows. (#21271)
• Release Python3.8 wheel on macOS. (#21270)
• Fix issue with exception being out of scope in Python 3. (#20314)
• [AIO] Implement the shutdown process for AIO server and completion queue. (#20805)
• Attempt to drop support for Python 3.4. (#20789)
• AIO Unified call interface. (#20824)
• Make sure Core aware of gevent Cython objects. (#20891)

... (truncated)

Sourced from grpcio's changelog.

v1.26.0 |Dec 3, 2019 |Dec 17, 2019

• de893ac Merge pull request #21502 from gnossen/v1.26.x
• 97fd10a Backport #21487 to v1.26.x.
• 4bfe3fd Merge pull request #21493 from gnossen/v1.26.x
• a0ee7f6 Bump version to 1.26.0
• c3d7a00 Merge pull request #21416 from stanley-cheung/php-fix-5_5-build
• fe58248 PHP: fix php5.5 build
• f99dfed Merge pull request #21358 from gnossen/bump_1_26_x_version
• 3d63f59 Regenerate projects
• d42d6e0 Bump version to 1.26.0-pre1
• 2907466 Merge pull request #21352 from yang-g/client_handoff
• Additional commits viewable in compare view

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