APM agent compatibility

The chart below outlines the compatibility between different versions of the APM agents and the APM integration/server.

Language	APM agent version	APM integration/server version
Go agent	`1.x`	≥ `6.5`
iOS agent	`0.x`	≥ `7.14`
Java agent	`1.x`	≥ `6.5`
.NET agent	`1.x`	≥ `6.5`
Node.js agent	`3.x`	≥ `6.6`
PHP agent	`1.x`	≥ `7.0`
Python agent	`6.x`	≥ `6.6`
Ruby agent	`3.x`	≥ `6.5`
Ruby agent	`4.x`	≥ `6.5`
JavaScript RUM agent	`4.x`	≥ `6.5`
JavaScript RUM agent	`5.x`	≥ `7.0`