diff --git a/CHANGELOG.md b/CHANGELOG.md
index a5c1ba88..f0a6f236 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## 1.3.6 - July 27, 2024
+
+## New
+
+* add cartons to target_selection plan 1.2.7
+
 ## 1.3.5 - July 24, 2024
 
 ## New
diff --git a/pyproject.toml b/pyproject.toml
index 12839083..6f8c40e2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "sdss-target-selection"
-version = "1.3.6.a0"
+version = "1.3.6"
 description = "Code to perform target selection for BHM/MWM using catalogdb"
 authors = ["José Sánchez-Gallego <gallegoj@uw.edu>"]
 license = "BSD 3-Clause"
diff --git a/python/target_selection/cartons/base.py b/python/target_selection/cartons/base.py
index a050831e..ed6713f9 100644
--- a/python/target_selection/cartons/base.py
+++ b/python/target_selection/cartons/base.py
@@ -186,6 +186,26 @@ def build_query(self, version_id, query_region=None):
     def get_model(self):
         """Returns a Peewee model for the temporary table using reflection."""
 
+        # peewee has a Model class, BaseModel class, and ModelBase class.
+        # The below Model class  (after this comment)
+        # is different from peewee Model class.
+        # The below BaseModel class (after this comment) is from the
+        # sdssdb.peewee package's __init__.py.
+        # It is different from the peewee BaseModel class.
+        #
+        # The below line is from sdssdb/peewee/__init__.py
+        # This Model class in the below line is the peewee Model class.
+        #     class BaseModel(Model, metaclass=ReflectMeta):
+        #
+        # The above line, relates the below Model class to
+        # the ReflectMeta metaclass via the BaseModel class.
+        # Inside the ReflectMeta metaclass is the code in __new__()
+        # which generates the Model class.
+        #
+        # So defining the Model class here leads to creation of
+        # the target_selection Model class. Later below we have the statement
+        # "return Model" which is the last statement of get_model().
+        #
         class Model(BaseModel):
             catalogid = peewee.BigIntegerField(primary_key=True)
             selected = peewee.BooleanField()
diff --git a/python/target_selection/config/target_selection.yml b/python/target_selection/config/target_selection.yml
index aabf00d2..8c12a80e 100644
--- a/python/target_selection/config/target_selection.yml
+++ b/python/target_selection/config/target_selection.yml
@@ -1,3 +1,24 @@
+'1.2.7':
+  xmatch_plan: 1.0.0
+  cartons:
+    - mwm_halo_local_high_apogee_triple
+    - mwm_halo_local_high_boss_triple
+    - mwm_halo_local_low_apogee_triple
+    - mwm_halo_local_low_boss_triple
+  open_fiber_path: /uufs/chpc.utah.edu/common/home/sdss50/sdsswork/target/open_fiber/postv1/draft2/
+  schema: sandbox
+  magnitudes:
+    h: [catalog_to_twomass_psc, twomass_psc, twomass_psc.h_m]
+    j: [catalog_to_twomass_psc, twomass_psc, twomass_psc.j_m]
+    k: [catalog_to_twomass_psc, twomass_psc, twomass_psc.k_m]
+    bp: [catalog_to_gaia_dr3_source, gaia_dr3_source, gaia_dr3_source.phot_bp_mean_mag]
+    rp: [catalog_to_gaia_dr3_source, gaia_dr3_source, gaia_dr3_source.phot_rp_mean_mag]
+    gaia_g: [catalog_to_gaia_dr3_source, gaia_dr3_source, gaia_dr3_source.phot_g_mean_mag]
+  database_options:
+    work_mem: '200MB'
+    enable_bitmapscan: false
+    enable_seqscan: false
+
 '1.2.6':
   xmatch_plan: 1.0.0
   cartons: