Tutorials

PlotJuggler built its name on time-series plots. PlotJuggler 4 (4.0.0, 21 September 2026) keeps the plots and adds the two views robotics data always needed beside them: time-synchronised video and GPU-rendered 3D. Cameras, point clouds, robot models and numeric curves now share one timeline in one application, for recorded data and live streams alike. This…

Custom transforms are how PlotJuggler turns raw logged data into the series you actually want to look at — a derived value computed from one or more recorded series. PlotJuggler 3’s Custom Function Editor made those transforms a Lua-only affair. PlotJuggler 4, first in the 3.999.9 preview (10 August 2026) and then in 4.0.0, adds…

Moving from PlotJuggler 3 to PlotJuggler 4 is not an in-place upgrade — PJ4 is a rewrite, released as 4.0.0 on 21 September 2026, with its own packages, its own layout schema and its own plugin channel. The good news is that nothing forces you to burn the PJ3 bridge: the two lines install side…

PlotJuggler 4.0.0 (21 September 2026) is a rewrite; PlotJuggler 3.17.2 (11 May 2026) is the last release of the classic line — and, unusually, both lines are legitimately “current” for different audiences. This comparison is between two versions of the same free, open-source (MPL-2.0) tool by the same author, Davide Faconti. There is nothing to…

PlotJuggler 4.0.0, released on 21 September 2026, is the biggest change in the project’s history: a rewrite that grows the classic time-series plotter into a multimodal visualisation platform. This guide walks through everything that is actually new — video and 3D, Python scripting, new data formats, the Extensions Marketplace, Mosaico cloud downloads, layout schema v4…