v1.7.0

Implementation Changes

• Print to stderr instead of stdout when exiting the program (#5569)
• Avoid overwriting 'module' of messages from shared modules. (#5364)
• Support older Django versions in request middleware #5024
• Fix bad trove classifier #5386

New Features

• Add support for trace and span_id to logging async API (#5908)
• Add support for span_id attribute of log entries (#5885)
• Add support for trace attribute of log entries (#5878)
• Add support for Python 3.7 and remove 3.4 (#5295)

Documentation

• Replace links to '/stable/' with '/latest/'. (#5901)

Internal / Testing Changes

• Nox: use inplace installs (#5865)
• Unflake logging systests (#5698)
• Harden _list_entries system test further against backoff failure. (#5551)
• Harden logging systests (#5496)
• Harden system tests against 'ResourceExhausted' quota errors. (#5486)
• Modify system tests to use prerelease versions of grpcio (#5304)
• Plug leaky sink in systests. (#5247)