Engine bump pending: 9cef8dd6a287 — perf(engines): native base64 decode for Arrow IPC; GH #64 regression test (#75)

[mortonanalytics]

Upstream myIO commit: 9cef8dd6a287

Subject: perf(engines): native base64 decode for Arrow IPC; GH #64 regression test (#75)
Classification: engine-additive

Files touched

inst/htmlwidgets/myIO/myIOapi.js
inst/htmlwidgets/myIO/src/engines/memory.js
inst/htmlwidgets/myIO/src/engines/wasm.js
inst/htmlwidgets/myIO/src/utils/b64-to-bytes.js

Checklist

• Bump vendor/myIO submodule to 9cef8dd6a2878660ebb74bcc84c3ecea5bbe79da
• Verify symlinks under src/pymyio/static/ resolve correctly
• Update Python builder surface if the engine contract changed
• Add parity test if new chart type / option surfaced
• CHANGELOG entry under Unreleased
• pytest passes

Auto-opened by engine-bump-notify.yaml in mortonanalytics/myIO.