Answer-first summary for fast verification
Answer: Announce the new version, Deploy the new version of the API, Inform customers of the end date of the old API version, Provide support for any customers using the old version till its end date, Deprecate old API version.
The correct sequence ensures customers are informed and supported throughout the transition, minimizing disruption. Option B follows the recommended order: Announce the new version, deploy it, inform customers of the old version's end date, provide support until that date, and then deprecate the old version. This approach is backed by best practices from Google Cloud and industry experts. References: [Google Cloud Documentation](https://cloud.google.com/appengine/docs/standard/python/designing-microservice-api#deploying_new_breaking_major_api_versions) and [Zapier Engineering Blog](https://zapier.com/engineering/api-geriatrics/).
Author: LeetQuiz Editorial Team
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As the manager overseeing the release of a new API version with breaking changes, which of the following sequences best describes the recommended steps to ensure a smooth transition for all customers?
A
Inform customers of the end date of the old API version, Deprecate old API version, Announce the new version, Deploy the new version of the API, provide support for any customers using the old version till its end date.
B
Announce the new version, Deploy the new version of the API, Inform customers of the end date of the old API version, Provide support for any customers using the old version till its end date, Deprecate old API version.
C
Deploy the new version of the API, Announce the new version, Inform customers of the end date of the old API, Deprecate old API version, Provide support for any customers using the old version till its end date.
D
Announce the new version, Deploy the new version of the API, Deprecate old API version, Inform customers of the end date of the old API version, Provide support for any customers using the old version till its end date.
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