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Comparison · Infra & APIs
carrier vs phyloatlas
A side-by-side editorial comparison of carrier and phyloatlas — release velocity, themes, recent moves, and the top alternatives to consider.
carrier vs phyloatlas: at a glance
What is carrier?
carrier's 0.3.0 quietly rewrites how crated functions see each other — and breaks code that relied on the old rules.
carrier packages an R function together with the data it needs so it can be shipped to another process or machine. 0.3.0 changed the semantics of functions passed through ...: they are now re-crated inside the main crate environment instead of inheriting from wherever they were defined. That fixes helper functions failing to resolve each other remotely, and stops local environments dragging large objects into the payload.
What is phyloatlas?
An atlas of the tree of life that keeps publishing what it got wrong, and stopped shipping the trees it does not own.
This is a curated deposit of species-level phylogenies — 264 trees across 62 partitions, 247 of them time-calibrated — paired with a species-name dictionary of roughly 638,000 standardized labels and per-tree provenance. It is moving through peer review at Methods in Ecology and Evolution, and the release stream is essentially a public erratum log: eight releases in five weeks, each reconciling the deposit against source papers, the manuscript, and its own metadata. The most recent replaced the turtle canonical with a 274-tip ultrametric chronogram after the previous tree failed time-calibration integrity checks.
carrier vs phyloatlas: editorial side-by-side
carrier
0.0INFRA · APIS
carrier's 0.3.0 quietly rewrites how crated functions see each other — and breaks code that relied on the old rules.
◆ Current state
carrier packages an R function together with the data it needs so it can be shipped to another process or machine. 0.3.0 changed the semantics of functions passed through ...: they are now re-crated inside the main crate environment instead of inheriting from wherever they were defined. That fixes helper functions failing to resolve each other remotely, and stops local environments dragging large objects into the payload.
◆ Where it's heading
Each release tightens the boundary between a crate and its surroundings. 0.2.0 introduced .parent_env defaulting to baseenv() to cut the crate off from the global search path and made unnamed ... arguments an error instead of a silent drop; 0.3.0 finishes the job by controlling the environment chain of the packed closures themselves. The package is trading backwards compatibility for predictable, self-contained payloads — a reasonable bet for something whose failures otherwise surface on a remote worker.
◆ Prediction
The 0.1.0 notes promised an automatic dependency-detection mode to replace explicit packing; nothing since has delivered it, and with the environment semantics now settled that is the obvious next move — though the entries give no date for it.
phyloatlas
0.0INFRA · APIS
An atlas of the tree of life that keeps publishing what it got wrong, and stopped shipping the trees it does not own.
◆ Current state
This is a curated deposit of species-level phylogenies — 264 trees across 62 partitions, 247 of them time-calibrated — paired with a species-name dictionary of roughly 638,000 standardized labels and per-tree provenance. It is moving through peer review at Methods in Ecology and Evolution, and the release stream is essentially a public erratum log: eight releases in five weeks, each reconciling the deposit against source papers, the manuscript, and its own metadata. The most recent replaced the turtle canonical with a 274-tip ultrametric chronogram after the previous tree failed time-calibration integrity checks.
◆ Where it's heading
The project's defining decision is that it archives the recipe rather than the corpus. Since 1.0.3 the Zenodo deposit holds metadata, provenance, and standardization code while the tree files live at their original sources, and the same principle was applied again when the TimeTree-of-Life was removed at the TimeTree project's request and reduced to a citation. What makes the correction log unusual is its direction: partitions keep getting reclassified from dated to undated as verification confirms the source papers described chronograms they never deposited. The atlas is being built to be honest about archival uncertainty rather than to maximize coverage.
◆ Prediction
The release cadence is driven by the manuscript review cycle, so expect corrections to continue until MEE acceptance and then slow sharply; the open thread most likely to produce the next one is the remaining recoverable archival uncertainty flagged across non-Condamine dated source trees.
Alternatives to carrier and phyloatlas
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 carrier or phyloatlas.
forestploter
A forest plot package that keeps handing users control of one more graphical detail.
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 carrier alternatives → · See all phyloatlas alternatives →
Recent activity from carrier and phyloatlas
Latest ship moves from both products, interleaved chronologically. ⚡ = editorial spark.
- 1mo agophyloatlasv1.0.8 — turtle chronogram canonical; MEE integrity pass
- 1mo agophyloatlasv1.0.7 — restore species-name dictionary
- 1mo agophyloatlasv1.0.6 — data-integrity corrections + TimeTree de-redistribution
- 2mo agophyloatlasv1.0.5 — consistency corrections
- 2mo agophyloatlasv1.0.4 — data corrections + canonical succession (Supplementary Table S7)
- 2mo agophyloatlasv1.0.3 — title alignment, LICENSE, three-category framework, sensitivity bounds ⚡
- 11mo agocarrierCrated helper functions can now see each other ⚡
- 1y agocarriercrate() gains .parent_env and stricter argument handling
- 3y agocarrierSource references dropped from crated functions
- 4y agocarrierInitial release with explicit-only crate packing
Frequently asked questions
What is the difference between carrier and phyloatlas?
They serve adjacent needs but don't currently overlap on shipped themes. carrier and phyloatlas 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 carrier better than phyloatlas?
Sparkpulse doesn't pick a winner — we score release velocity, not feature parity. carrier and phyloatlas 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 carrier?
Top carrier alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "carrier alternatives" section above for the current picks, or visit /alternatives/carrier for the full list with editorial commentary on each.
What are the best alternatives to phyloatlas?
Top phyloatlas alternatives in Infra & APIs are ranked by recent ship velocity. Browse the "phyloatlas alternatives" section above for the current picks, or visit /alternatives/phylo-species-atlas for the full list with editorial commentary on each.