v2.1.0

Features

• [FEAT] Add conformal_error prediction intervals method @DresdenGman (#1175)
• [FEAT] Unified error distributions across the StatsForecast suite (ETS, CES, Theta + shared C++/Python infra) @nasaul (#1116)
• [FEAT] ConformalSeasonalPool model (CSP) @nasaul (#1159)
• [FEAT] Adds t, ged, normal-skewed and laplace distributions for fitting ARIMA @nasaul (#1113)
• [FEAT] Add UCM (Unobserved Components Model) support @formeo (#1081)
• [FEAT] Deprecate Numba @elephaint (#1099)
• [FEAT] Simulate method for sample trajectories @ankitlade12 (#1072)

Bug Fixes

• [FIX] Add py.typed marker @DresdenGman (#1176)
• [FIX] IndexError in MSTL with more than 6 seasonal periods @Vedant-Agarwal (#1163)
• [FIX] Validate unique model names for models without alias @HummerQAQ (#1079)
• [FIX] Prevent NaN prediction intervals in theta for short series (len(y) == 4) @robrui (#1142)
• [FIX] Add new level validation method @MMenchero (#1157)
• [FIX] Align SeasonalNaive forecasts when len(y) < season_length @MMenchero (#1153)
• [FIX] Improve adida & imapa @elephaint (#1097)
• [FIX] Prevent out-of-bounds write when initializing residuals in arima… @vkverma9534 (#1073)

Docs

• [DOCS] Translate Spanish comment to English in SimpleExponentialSmoothing notebook @kalichiruvelli-art (#1129)
• [DOCS] Fix remaining links @deven367 (#1127)
• [DOCS] broken imgs @deven367 (#1120)
• [DOCS] Add missing tutorial for AutoARIMAProphet adapter @MMenchero (#1117)
• [DOCS] Update title @deven367 (#1093)
• [DOCS] Fix broken figure links and fix table rendering @deven367 (#1086)
• [DOCS] Use utilsforecast.evaluation.evaluate in notebooks @IndarKarhana (#1084)
• [DOCS] Remove extra double quote in link @loama (#1067)
• [DOCS] Migrate docs json @deven367 (#1069)
• [DOCS] lazydocs to mkdocstrings @deven367 (#1060)
• [DOCS] Adds VN1 notebook @nasaul (#1052)
• [DOCS] Fix table render @deven367 (#1066)
• [DOCS]Third party licenses @deven367 (#1065)
• [DOCS] Adds VN1 notebook @nasaul (#1052)

Chores

• [CHORE] Updates pyarrow @nasaul (#1161)
• [CHORE] Bumps idna @nasaul (#1156)
• [CHORE] SHA-pin remaining third-party Actions in pytest/lint/build-docs/ci @shaun0927 (#1138)
• [CHORE] update link to datasetsforecast @deven367 (#1132)
• [CHORE] Adds explicit permissions to workflows @nasaul (#1112)
• [CHORE] Update dependencies for alerts @nasaul (#1111)
• [CHORE] update pyproject.toml and other workflows to use uv @deven367 (#1080)
• [CHORE] Updates Contributing.md @nasaul (#1075)
• [CHORE] remove blog @deven367 (#1076)
• [CHORE] Unpin scipy @nasaul (#1074)
• [CHORE] Minor fixes @deven367 (#1071)
• [CHORE] Fixes ets name @nasaul (#1070)
• [CHORE] Third party licenses @deven367 (#1065)