Migrate to the new version of the Azure Time Series Insights Gen2 APIs
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A new API version of [Azure Time Series Insights Gen2](https://docs.microsoft.com/en-us/azure/time-series-insights/overview-what-is-tsi) (2020-07-31) was made generally available on 16 July 2020 and uses an updated [Time Series Expression Syntax (TSX)](https://docs.microsoft.com/en-us/rest/api/time-series-insights/preview#time-series-expression-and-syntax).
The preview API version (2018-11-01-preview) is retiring but will continue to be supported until 31 October 2020\.
**Recommended action**
[M](https://docs.microsoft.com/en-us/azure/time-series-insights/how-to-api-migration)[igrate](https://docs.microsoft.com/en-us/azure/time-series-insights/how-to-api-migration) your environment’s Time Series Model variables, saved queries and Power BI queries, along with any custom tools making calls to the API endpoints, to the new API version before 31 October 2020\. Review [the migration steps](https://docs.microsoft.com/en-us/azure/time-series-insights/how-to-api-migration).
If you have any questions, submit a [support request](https://portal.azure.com/#blade/Microsoft%5FAzure%5FSupport/HelpAndSupportBlade/overview) via the Azure portal or ask a question on [Microsoft Q&A](https://docs.microsoft.com/answers/search.html?c=&includeChildren=&f=&type=question+OR+idea+OR+kbentry+OR+answer+OR+topic+OR+user&redirect=search%2Fsearch&sort=relevance&q=azure%20time%20series).
* Azure Time Series Insights
* Features
* [ Azure Time Series Insights](https://azure.microsoft.com/en-gb/products/time-series-insights/)
What else is happening at Microsoft Azure?
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We’re retiring Azure Time Series Insights on 7 July 2024 – transition to Azure Data Explorer
May 31st, 2024
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