Sentry v6

[ueman]

This is a discussion to keep track of feature and bug requests which should be in the next major version 6.

See the Changelog for a list of changes.

[marandaneto]

if they are already issues, let's also add a label 6.0.0 like this one #405

[ueman]

⚠️ Possible breaking changes

• Implement envelope based transport #391 could lead to breaking changes
  • Do we want to change the Transport interface or not?
• Fix: Use dartLogger as default in debug mode #413 could lead to breaking changes
  • Do we want to change the logging mechanism and name? See Fix: Use dartLogger as default in debug mode #413 (comment)
• Remove Sentry.currentHub in v6.0.0 #405 leads to a breaking change
  • Removal of Sentry.currentHub is a breaking change

[ueman]

I'd like to add an error/exception and stacktrace parameter to our logger.
See https://github.com/getsentry/sentry-dart/pull/453/files#discussion_r625680627