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Salesforce releases, explained

Every Wednesday: what changed in the latest release for developers, and the issues teams are hitting after upgrading — with the root cause and the fix.

Release breakdown· Winter '27· 30 September 2026· 7 min read
Salesforce Winter '27 for Developers: What Changes Before Your Production Upgrade
Bigger Apex heap, real-callout integration tests, the Apex Symbol API, GA complex template expressions in LWC, a versionless REST endpoint — plus the release updates to check before your org's October upgrade weekend.
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Salesforce releases, explained

Salesforce Winter '27 for Developers: What Changes Before Your Production Upgrade