The primary driver behind the popularity of Eagler 1.9 is accessibility. In the gaming landscape, high-end gaming PCs are a luxury, and in environments such as schools, libraries, or workplaces, administrators often block the installation of executable games. Furthermore, in many regions of the world, the cost of a legitimate Minecraft account represents a significant financial hurdle.

However, the Eaglercraft developer community operates under a strict stance against piracy:

Added in this version, players can find wings in End Ships, allowing them to glide and fly through the air.

Building on the foundation of Eagler Reborn, EaglerForge includes a Mod API consisting of a global JavaScript object on the window, called simply "ModAPI," allowing for further customization and expansion.

The primary draw of upgrading from the older 1.8.8 clients to Eagler 1.9 is the introduction of vanilla Minecraft's highly influential .