• Upgrade math.gl to beta.8 and adopt its standalone expressions package and Arrow inspection utilities.
• Add progressive grouped aggregate snapshots, SQL OFFSET, and a queryable JSON table source.
• Default supported table loaders to native Arrow and accept native Arrow in table writers.
• Convert atomic and streaming Parquet results at the core API boundary and consolidate Arrow table conversion.
• Separate parsing from data source creation and give explicit loaders priority over registered loaders.
• Route library diagnostics through probe.gl, standardize unnamed positional columns, and preserve I3S attribute names and nulls in tile conversion.