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Comparison · Infra & APIs
forestploter vs waldo
A side-by-side editorial comparison of forestploter and waldo — release velocity, themes, recent moves, and the top alternatives to consider.
forestploter vs waldo: at a glance
What is forestploter?
A forest plot package that keeps handing users control of one more graphical detail.
forestploter draws forest plots where the layout is driven by the data frame itself, so text columns and confidence intervals sit in the same grid. The theme function has become the package's centre of gravity: it now controls graphical parameters for titles, legends, axis, arrow labels, footnotes, and reference lines, with multi-column and row-order legend controls added most recently. Two releases shipped nine minutes apart in April 2026 after a two-year gap, deprecating some theme parameters, removing inter-cell gaps, and improving tick breaks.
What is waldo?
waldo keeps shedding dependencies while teaching its diff engine new object systems
waldo produces the object comparisons that testthat failure messages are built from. The recent releases do two things: drop dependencies - tibble, rematch2 and fansi have all gone - and extend comparison to object systems that did not exist when it was written, notably S7. Correctness of missing-value and tolerance semantics accounts for most of the rest.
forestploter vs waldo: editorial side-by-side
forestploter
0.0INFRA · APIS
A forest plot package that keeps handing users control of one more graphical detail.
◆ Current state
forestploter draws forest plots where the layout is driven by the data frame itself, so text columns and confidence intervals sit in the same grid. The theme function has become the package's centre of gravity: it now controls graphical parameters for titles, legends, axis, arrow labels, footnotes, and reference lines, with multi-column and row-order legend controls added most recently. Two releases shipped nine minutes apart in April 2026 after a two-year gap, deprecating some theme parameters, removing inter-cell gaps, and improving tick breaks.
◆ Where it's heading
The direction has been consistent for four years: whatever a user might want to restyle eventually becomes an argument. Point size stopped being transformed, cell height adjustment was removed as unwanted, legends gained size, column, and fill-order control, and vertical lines learned to extend the full plot height and to draw beneath the whiskers. The one structural move was 1.1.0, which let callers supply their own confidence-interval and summary drawing functions — turning a fixed renderer into an extensible one. Everything since has been the arguments that extensibility did not cover.
◆ Prediction
The latest release deprecates theme parameters rather than adding them, which suggests the next one consolidates the theme surface that has grown for four years rather than extending it further.
waldo
0.0INFRA · APIS
waldo keeps shedding dependencies while teaching its diff engine new object systems
◆ Current state
waldo produces the object comparisons that testthat failure messages are built from. The recent releases do two things: drop dependencies - tibble, rematch2 and fansi have all gone - and extend comparison to object systems that did not exist when it was written, notably S7. Correctness of missing-value and tolerance semantics accounts for most of the rest.
◆ Where it's heading
This is a package deliberately shrinking its footprint while widening what it understands. Since it is imported by testthat, every dependency it drops is one fewer package in the check environment of most of CRAN, which is clearly the motivation. The comparison logic itself changes only when R gains a new way to represent objects.
◆ Prediction
Expect S7 support to deepen from basic to complete as S7 adoption grows, and further dependency removals; the diff algorithm itself looks settled.
Alternatives to forestploter and waldo
Other Infra & APIs products tracked by Sparkpulse, ranked by recent ship velocity. Each card links to a full editorial trajectory and lets you pivot into a head-to-head comparison with either forestploter or waldo.
WPML
WPML made machine translation the default, and its point releases keep chasing WordPress and page builders.
ggInterval
Interval-valued data plotting, spending 2026 making its function names and examples survive CRAN.
rgm
A microbiome network model that got itself un-archived by deleting the dependency that killed it.
contagionchannels
Three releases in ten days, every one of them a CRAN reviewer's correction rather than a code change.
tidyaudit
Pipeline provenance for tidyverse workflows, recording what changed at each step without keeping the data.
See all forestploter alternatives → · See all waldo alternatives →
Recent activity from forestploter and waldo
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 3mo agoforestploterTheme parameters deprecated; cell gaps removed, ticks improved
- 3mo agoforestploterMulti-column legends and full-height vertical lines
- 1y agowaldoCompares weakrefs, ignores read-only S7 properties
- 1y agowaldoOnly uses bit64 comparison when bit64 is installed
- 1y agowaldoDrops tibble and rematch2; adds basic S7 support
- 1y agowaldoDrops the fansi dependency
- 2y agoforestploterFull graphical control over titles, legends, axis and footnotes
- 2y agowaldoFixes for upcoming R-devel changes
- 2y agoforestploterTick digit calculation improved; automatic cell height removed
- 3y agowaldoTolerance now governs both display and NaN equality
- 3y agoforestploterCustom CI and summary drawing functions; boxplots inside the plot
- 3y agoforestploterArbitrary grobs and math symbols can be placed in cells
Frequently asked questions
What is the difference between forestploter and waldo?
They serve adjacent needs but don't currently overlap on shipped themes. forestploter and waldo are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). See the at-a-glance table above for a side-by-side breakdown of velocity, recent sparks, and editorial themes.
Is forestploter better than waldo?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. forestploter and waldo are shipping at a similar cadence (velocity 0.0 vs 0.0, both within Sparkpulse's "active" band). For your specific use case, the alternatives sections above list other Infra & APIs products to evaluate alongside.
What are the best alternatives to forestploter?
Top forestploter alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "forestploter alternatives" section above for the current picks, or visit /alternatives/forestploter for the full list with editorial commentary on each.
What are the best alternatives to waldo?
Top waldo alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "waldo alternatives" section above for the current picks, or visit /alternatives/waldo for the full list with editorial commentary on each.