update changelog for release (#79)

* update changelog for release * increment version * address PR comments about pageHide description
newrelic · Jun 22, 2021 · e2a3f80 · e2a3f80
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diff --git a/CHANGELOG.md b/CHANGELOG.md
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+## v1210
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+* Staging release date: TBD
+* Production APM-injected release date: TBD
+* Production Standalone release date: TBD
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+
+### PageHide PageViewTiming events are now accounted for during page unload events
+`PageHide` PageViewTiming events are used to query CLS values. In cases where the page was never hidden, inconsistencies would arise because the PageViewTiming event with that type would not be collected.  Now when `pageUnload` fires, if a `pageHide` PageViewTiming has not already been set, it will set it to the time of unload. 
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+### Perfect Cumulative Layout Scores (CLS) are now recorded as 0
+Perfect CLS scores were being ignored, because a score was only recorded when content shifted.  This change reports perfect scores as 0, fixing inconsistent CLS queries.
+
+### Record fetch calls as metrics
+Fetch calls are currently only recorded as AjaxRequest events with SPA browser interactions. This change records fetch calls as AJAX metrics, which will make them visible in the AJAX UI charts.
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 ## v1209
 
 * Staging release date: 05/24/2021

diff --git a/VERSION b/VERSION
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-1209
+1210