Salesforce Winter '26 release notes: Trusted Mode and Flow testing with CLI

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The Winter ‘26 release notes were live last week, and there are some new and exciting features for Salesforce Developers – from “Trusted Mode” and Flow testing with CLI. Peter Chittum explains more about the most relevant updates that devs will want to get their hands on. #Salesforce

Just to prove someone reads the post - there's only one P in developers!

They have removed LWC Trusted mode from Winter 26 release on the 15th of September. I have tested it a bit and haven't seen any significant boost of performance from it. Also a lot of features in the external library still require fixes specific for LWC, even with that trusted mode. Almost all issues I have are caused by Synthetic Shadow DOM. LWS is actually good in comparison to Lightning Locker.

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I am actually reading this post! I'm 100% sure that Developers only has 1 P!! 🤣 Salesforce Ben

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Some really useful updates here

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Some good stuff for devs in this release!

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