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Public expression-AST field-reference introspection + ibis literal-first '+' compile bug (from pointbreak Phase 4b)

Status: Open.

#226 In mountainash-io/mountainash;

· discreteds opened on Jul 16, 2026

relations: Relation.unique(keep=...) accepts but silently ignores keep

Status: Open.

#218 In mountainash-io/mountainash;

· discreteds opened on Jul 11, 2026

expressions: no cumulative/prefix op over list columns (ancestor dotted prefixes)

Status: Open.

#217 In mountainash-io/mountainash;

· discreteds opened on Jul 11, 2026

pydata egress: crashes on DataFrame columns with non-identifier names

Status: Open.

#116 In mountainash-io/mountainash;

· discreteds opened on May 6, 2026

expressions: no test validates dispatch routes to concrete implementations, not stubs

Status: Open.

#115 In mountainash-io/mountainash;

· discreteds opened on May 6, 2026

expressions: __getattr__ dispatch can route to inherited Protocol stubs

Status: Open.

#114 In mountainash-io/mountainash;

· discreteds opened on May 6, 2026

mountainash-data: Add ClickHouse dialect to IbisBackend

Status: Open.

#108 In mountainash-io/mountainash;

· discreteds opened on May 5, 2026

String match strategies (PREFIX, SUFFIX, CONTAINS) fail on pandas/narwhals backends

bugSomething isn't workingSomething isn't working

Status: Open.

#89 In mountainash-io/mountainash;

· discreteds opened on Apr 28, 2026

ibis-polars backend missing WindowFunction translation — blocks with_row_index

Status: Open.

#78 In mountainash-io/mountainash;

· discreteds opened on Apr 8, 2026

PLAN-010 Phase 9: Create Geometry API Builder Protocol (Stubs)

enhancementNew feature or requestNew feature or request

Status: Open.

#69 In mountainash-io/mountainash;

· discreteds opened on Dec 30, 2025

·  

API Builder Protocol Alignment

PLAN-010 Phase 8: Create Window API Builder Protocol

enhancementNew feature or requestNew feature or request

Status: Open.

#68 In mountainash-io/mountainash;

· discreteds opened on Dec 30, 2025

·  

API Builder Protocol Alignment

PLAN-010 Phase 7: Create Aggregate API Builder Protocols

enhancementNew feature or requestNew feature or request

Status: Open.

#67 In mountainash-io/mountainash;

· discreteds opened on Dec 30, 2025

·  

API Builder Protocol Alignment