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Agent and Server compatibilityedit

The chart below outlines the compatibility between different versions of the APM agents and the APM Server.

Agent	Agent version	APM Server version
Go agent	`1.x`	≥ `6.5`
Java agent	`1.x`	≥ `6.5`
.NET agent	`1.x`	≥ `6.5`
Node.js agent	`1.x`	`6.2`-`6.x`
	`2.x`	≥ `6.5`
	`3.x`	≥ `6.6`
PHP agent	`1.x`	≥ `7.0`
Python agent	`2.x`, `3.x`	`6.2`-`6.x`
	`4.x`	≥ `6.5`
	`5.x`	≥ `6.6`
Ruby agent	`1.x`	`6.4`-`6.x`
	`2.x`	≥ `6.5`
	`3.x`	≥ `6.5`
	`4.x`	≥ `6.5`
JavaScript RUM agent	`0.x`	`6.3`-`6.4`
	`1.x`	`6.4`
	`2.x`, `3.x`, `4.x`	≥ `6.5`
	`5.x`	≥ `7.0`

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