feat(config): enable process tags by default (#7850)

tlhunter · claude · web-flow · commit a498993115c1 · 2026-03-25T11:04:33.000-07:00
Process tags are now enabled by default via DD_EXPERIMENTAL_PROPAGATE_PROCESS_TAGS_ENABLED.
Users can still disable them by setting the environment variable to "false".

Co-authored-by: Claude Opus 4.6 (1M context) &lt;noreply@anthropic.com&gt;
diff --git a/packages/dd-trace/src/config/supported-configurations.json b/packages/dd-trace/src/config/supported-configurations.json
@@ -744,9 +744,9 @@
     ],
     "DD_EXPERIMENTAL_PROPAGATE_PROCESS_TAGS_ENABLED": [
       {
-        "implementation": "A",
+        "implementation": "B",
         "type": "boolean",
-        "default": "false",
+        "default": "true",
         "configurationNames": [
           "propagateProcessTags.enabled"
         ]
diff --git a/packages/dd-trace/test/process-tags.spec.js b/packages/dd-trace/test/process-tags.spec.js
@@ -302,19 +302,21 @@ describe('process-tags', () => {
       assert.strictEqual(processor._processTags, false)
     })
 
-    it('should disable process tags propagation when not set', () => {
-      // Don't set the environment variable
+    it('should enable process tags propagation when not set', () => {
+      // Don't set the environment variable — default is enabled
 
       const config = getConfigFresh()
       const processTagsModule = require('../src/process-tags')
       processTagsModule.initialize()
 
-      assert.notStrictEqual(config.propagateProcessTags?.enabled, true)
+      assert.ok(config.propagateProcessTags)
+      assert.strictEqual(config.propagateProcessTags.enabled, true)
 
       SpanProcessor = require('../src/span_processor')
       const processor = new SpanProcessor(undefined, undefined, config)
 
-      assert.strictEqual(processor._processTags, false)
+      assert.ok(typeof processor._processTags === 'string')
+      assert.match(processor._processTags, /entrypoint/)
     })
   })
 })

Original file line number	Diff line number	Diff line change
`@@ -744,9 +744,9 @@`
`744`	`744`	`],`
`745`	`745`	`"DD_EXPERIMENTAL_PROPAGATE_PROCESS_TAGS_ENABLED": [`
`746`	`746`	`{`
`747`		`- "implementation": "A",`
	`747`	`+ "implementation": "B",`
`748`	`748`	`"type": "boolean",`
`749`		`- "default": "false",`
	`749`	`+ "default": "true",`
`750`	`750`	`"configurationNames": [`
`751`	`751`	`"propagateProcessTags.enabled"`
`752`	`752`	`]`