I have been let know that the Esperanto community is known to be resistant to change. Languages like Ido and Zamenhof's Reformed Esperanto haven't got nearly as much attention as the main language, which currently even has native speakers.
However, I think that the advances of technology probably have incorporated into Esperanto more technical words (like komputilo), and the language is so elastic that it allows those changes to happen naturally. One thing that has striked my attention is the -x word system that is different from Zamenhof's own -h system, and I think technology probably had its impact there.
So, my question is: How much has Esperanto changed over all those years (almost 130 now)? And how resistant the community has been to the change of Esperanto? After reading some texts, it seems that the Esperanto youth is always looking for reforms, like the adoption of Ido, and Riism, but how much is that widespread?