Release notes for 1.15.1. (#1228)

* .bumpversion.cfg -> .bumpversion.toml

* bump version to 1.15.1

* release notes for 1.15.1

* numpy 2.4.0 change.

Author: robfalck

.bumpversion.cfg

@@ -0,0 +1,26 @@
+[tool.bumpversion]
+current_version = "1.15.1"
+commit = true
+tag = false
+parse = "(?P<major>\\d+)\\.(?P<minor>\\d+)\\.(?P<patch>\\d+)(\\-(?P<release>[a-z]+))?"
+serialize = [
+    "{major}.{minor}.{patch}-{release}",
+    "{major}.{minor}.{patch}",
+]
+
+[[tool.bumpversion.files]]
+filename = "dymos/__init__.py"
+search = "__version__ = '{current_version}'"
+replace = "__version__ = '{new_version}'"
+
+[[tool.bumpversion.files]]
+filename = ".github/ISSUE_TEMPLATE/bug_report.yml"
+search = "placeholder: \"{current_version}\""
+replace = "placeholder: \"{new_version}\""
+
+[tool.bumpversion.parts.release]
+optional_value = "rel"
+values = [
+    "dev",
+    "rel",
+]

.bumpversion.toml

@@ -23,7 +23,7 @@ body:
     attributes:
       label: Dymos Version
       description: What version of Dymos is being used.
-      placeholder: "1.15.0"
+      placeholder: "1.15.1"
     validations:
       required: true
   - type: textarea

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -1,4 +1,4 @@
-__version__ = '1.15.0'
+__version__ = '1.15.1'
 
 
 from openmdao.utils.general_utils import env_truthy as _env_truthy

dymos/__init__.py

@@ -24,10 +24,10 @@ def linewidth_from_data_units(linewidth, axis, reference='y'):
     fig = axis.get_figure()
     if reference == 'x':
         length = fig.bbox_inches.width * axis.get_position().width
-        value_range = np.diff(axis.get_xlim())
+        value_range = np.diff(axis.get_xlim()).item()
     elif reference == 'y':
         length = fig.bbox_inches.height * axis.get_position().height
-        value_range = np.diff(axis.get_ylim())
+        value_range = np.diff(axis.get_ylim()).item()
     # Convert length to points
     length *= 72
     # Scale linewidth to value range

dymos/examples/racecar/linewidthhelper.py

@@ -1,3 +1,35 @@
+********************************
+# Release Notes for Dymos 1.15.1
+
+March 12, 2026
+
+This is a minor update with some changes to support OpenMDAO's connection graph refactor,
+as well as some other bug fixes.
+
+## Backwards Incompatible API Changes & Deprecations
+
+None
+
+## Enhancements
+
+- Birkhoff will attempt to build a guess of state rates in `set_state_vals` if given enough information (states and times).
+
+## Bug Fixes
+
+- Fixed a bug where dymos ignored the units assigned in link_phases. [#1224](https://github.com/OpenMDAO/dymos/pull/1224)
+- Birkhoff will at least report error during grid refinement now. [#1218](https://github.com/OpenMDAO/dymos/pull/1218)
+- set_state_vals can be called with `(num_state_input_nodes,) + shape` set of state values. [#1218](https://github.com/OpenMDAO/dymos/pull/1218)
+- set_control_vals can be called with `(num_control_input_nodes,) + shape` set of control values. [#1218](https://github.com/OpenMDAO/dymos/pull/1218)
+- Birkhoff state defects are now not linear if initial and final state values are not design variables. [#1218](https://github.com/OpenMDAO/dymos/pull/1218)
+
+## Miscellaneous
+
+- dymos now uses the same INF_BOUND sentinel value as OpenMDAO. [#1225](https://github.com/OpenMDAO/dymos/pull/1225)
+- Use OpenMDAO pixi environment in dymos testing. [#1220](https://github.com/OpenMDAO/dymos/pull/1220)
+- Workflow issue [#1221](https://github.com/OpenMDAO/dymos/pull/1221)
+- Changes needed to work with OpenMDAO connection graph refactor [#1222](https://github.com/OpenMDAO/dymos/pull/1222)
+
+
 ********************************
 # Release Notes for Dymos 1.15.0