These are the items required to reach feature completion.

• Use Transcript object for sync and async requests. (Use Transcript object in sync and async. #2613)
• GAPIC Sync Recognize (Add Speech GAPIC for sync_recognize. #2615)
• GAPIC Async Recognize(Clean up async docs and unify for future GAPIC async. #2638, Add speech async gapic #2663)
• Streaming recognize (Add Speech Streaming API. #2523, Add _make_streaming_request, formerly _make_streaming_config. #2640,Add _stream_requests() for managing speech streaming configuration #2644, Add speech streaming recognition. #2680)
• Add stability information to streaming interim_results (Add stability to speech API results. #2702)
• Add sync_recognize system tests (Add Speech sync recognize system test. #2547)
• Add async_recognize system tests (Add speech async JSON/REST system tests. #2648)

Cleanup

• Update SpeechContext in tests. See: Update speech async_recognize tests #2700. (Fix bug with speech streaming speech_context. #2717)
• Add PyPI badges (Add PyPI badges for speech #2716)
• Rename Transcript to Alternative. (Rename Transcript to Alternative. #2666)
• Test cleanup (Speech unit tests cleanup. #2676)
• Run skipped tests(Add speech async JSON/REST system tests. #2648 (comment))
• Move sample to Client property. See: Move speech methods to Sample. #2516
• Remove warning about google-cloud-speech not yet released. See: Add message about API not being available yet. #2620 (Remove speech package not yet released warning. #2732)

Future Updates:

• Clearer way to send stream to Sample.content (Decide how to handle stream vs bytes content in Speech streaming_recognize(). #2708)
• Move result access to Operation handler Clean up async docs and unify for future GAPIC async. #2638 (comment)
• Add snippet tests (optional for release)