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Autoregressive parameter in DevelopmentML method

Effort > Moderate 🐕Mid-sized tasks estimated to take a few days to a few weeks.Mid-sized tasks estimated to take a few days to a few weeks.

Impact > Moderate 🔶User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).

Status: Open.

Feature

#644 In casact/chainladder-python;

· henrydingliu opened on Jan 12, 2026

std_residual_ subtraction computation creates NaN when residuals are 0

Triage Pending ⚠️New issues that haven't yet been reviewed or categorized.New issues that haven't yet been reviewed or categorized.

Status: Open.

#639 In casact/chainladder-python;

· danielfong-act opened on Jan 4, 2026

Option to manually select triangle grain

Effort > Moderate 🐕Mid-sized tasks estimated to take a few days to a few weeks.Mid-sized tasks estimated to take a few days to a few weeks.

Impact > Moderate 🔶User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).

Status: Open.

Feature

#630 In casact/chainladder-python;

· LegendaryPie opened on Dec 12, 2025

BarnettZehnwirth does not support categorical valuation predictors

Effort > Brief 🐇Small tasks expected to take a few hours up to a couple of days.Small tasks expected to take a few hours up to a couple of days.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Minor 🔷Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).

Status: Open.

Bug

#623 In casact/chainladder-python;

· danielfong-act opened on Nov 26, 2025

Adding Age-to-Age Factor Smoothing

Effort > Moderate 🐕Mid-sized tasks estimated to take a few days to a few weeks.Mid-sized tasks estimated to take a few days to a few weeks.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Moderate 🔶User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).

Status: Open.

Feature

#622 In casact/chainladder-python;

· Hendrik240298 opened on Nov 16, 2025

Creating a Makefile for virtual development environments

Effort > Brief 🐇Small tasks expected to take a few hours up to a couple of days.Small tasks expected to take a few hours up to a couple of days.

Impact > Minor 🔷Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).

Status: Open.

Feature

#621 In casact/chainladder-python;

· bayesflows opened on Nov 15, 2025

Fix lab_black usage in docs

Documentation 📚Changes to docstrings or the documentation site. No codebase changes.Changes to docstrings or the documentation site. No codebase changes.

Effort > Brief 🐇Small tasks expected to take a few hours up to a couple of days.Small tasks expected to take a few hours up to a couple of days.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Minor 🔷Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).

Status: Open.

Bug

#608 In casact/chainladder-python;

· kennethshsu opened on Oct 10, 2025

'n_periods' does not respect dropped link ratios

Effort > Brief 🐇Small tasks expected to take a few hours up to a couple of days.Small tasks expected to take a few hours up to a couple of days.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Minor 🔷Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).Small, backward compatible change. Treat like a patch release (e.g., 0.5.8 → 0.5.9).

Status: Open.

Bug

#604 In casact/chainladder-python;

· andrewwilson201 opened on Oct 9, 2025

Simplify internals to prep for 1.0 release

Effort > Serious 🐘Large, complex tasks requiring a few weeks to months of work.Large, complex tasks requiring a few weeks to months of work.

Refactor 🔧Code level improvements that restructure existing logic without changing behavior.Code level improvements that restructure existing logic without changing behavior.

Status: Open.

#601 In casact/chainladder-python;

· jbogaardt opened on Sep 25, 2025

Reconcile data against Friedland's text used in Exam 5

Effort > Moderate 🐕Mid-sized tasks estimated to take a few days to a few weeks.Mid-sized tasks estimated to take a few days to a few weeks.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Moderate 🔶User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).

Status: Open.

Feature

#588 In casact/chainladder-python;

· kennethshsu opened on Jul 28, 2025

Implement TrendConstant()

Effort > Serious 🐘Large, complex tasks requiring a few weeks to months of work.Large, complex tasks requiring a few weeks to months of work.

Impact > Significant 💠High impact changes. Should only be done in response with community inputs.High impact changes. Should only be done in response with community inputs.

Status: Open.

Feature

#582 In casact/chainladder-python;

· kennethshsu opened on Jul 10, 2025

[ENH] Make empty Triangle behavior consistent with Pandas

Effort > Brief 🐇Small tasks expected to take a few hours up to a couple of days.Small tasks expected to take a few hours up to a couple of days.

Great First Contribution! 🌱Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!Beginner friendly tickets with narrow scope and huge impact. Perfect to join our community!

Impact > Moderate 🔶User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).User-visible but non-breaking change. Treated like a minor version bump (e.g., 0.6.5 → 0.7.0).

Status: Open.

Feature

#575 In casact/chainladder-python;

· genedan opened on Jun 22, 2025