DOKOS-TAYOS · DOKOS-TAYOS · Aug 24, 2026 · Aug 24, 2026
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -8,6 +8,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [1.1.4] - 2026-08-24
+
+### Fixed
+
+- **Scientific plot labels**: Pair plots and fitted plots preserve MathText labels and titles, including uncertainty headers such as `u$x (m)$`. If Matplotlib cannot parse a label or title, the affected plot automatically retries with readable plain text instead of failing.
+
 ## [1.1.3] - 2026-05-17
 
 ### Added
@@ -237,6 +243,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 Initial 0.8.x release. See repository history and documentation for features and changes prior to 0.8.1.
 
 [1.1.3]: https://github.com/DOKOS-TAYOS/RegressionLab/compare/v1.1.2...v1.1.3
+[1.1.4]: https://github.com/DOKOS-TAYOS/RegressionLab/compare/v1.1.3...v1.1.4
 [1.1.2]: https://github.com/DOKOS-TAYOS/RegressionLab/compare/v1.1.1...v1.1.2
 [1.1.1]: https://github.com/DOKOS-TAYOS/RegressionLab/compare/v1.1.0...v1.1.1
 [1.1.0]: https://github.com/DOKOS-TAYOS/RegressionLab/compare/v1.0.0...v1.1.0

diff --git a/CITATION.cff b/CITATION.cff
@@ -7,7 +7,7 @@ authors:
     given-names: Alejandro
     email: alejandro.mata.ali@gmail.com
 license: MIT
-version: 1.1.3
+version: 1.1.4
 repository-code: https://github.com/DOKOS-TAYOS/RegressionLab
 url: https://github.com/DOKOS-TAYOS/RegressionLab
 abstract: >-

diff --git a/README.md b/README.md
@@ -8,7 +8,7 @@
 
 [![Python](https://img.shields.io/badge/Python-3.12+-3776AB?style=for-the-badge&logo=python&logoColor=white)](https://www.python.org/)
 [![License](https://img.shields.io/badge/License-MIT-green.svg?style=for-the-badge)](LICENSE)
-[![Version](https://img.shields.io/badge/version-1.1.3-blue.svg?style=for-the-badge)](https://github.com/DOKOS-TAYOS/RegressionLab)
+[![Version](https://img.shields.io/badge/version-1.1.4-blue.svg?style=for-the-badge)](https://github.com/DOKOS-TAYOS/RegressionLab)
 [![Streamlit](https://img.shields.io/badge/Streamlit-FF4B4B?style=for-the-badge&logo=streamlit&logoColor=white)](https://regressionlab.streamlit.app/)
 [![SciPy](https://img.shields.io/badge/SciPy-8CAAE6?style=for-the-badge&logo=scipy&logoColor=white)](https://scipy.org/)
 [![NumPy](https://img.shields.io/badge/NumPy-013243?style=for-the-badge&logo=numpy&logoColor=white)](https://numpy.org/)
@@ -212,7 +212,7 @@ For information about third-party libraries and their licenses, see
 
 <div align="center">
 
-**Version**: 1.1.3 • **Last Updated**: May 2026
+**Version**: 1.1.4 • **Last Updated**: August 2026
 
 Made with ❤️ by [Alejandro Mata Ali](https://github.com/DOKOS-TAYOS)
 

diff --git a/docs/README.md b/docs/README.md
@@ -265,6 +265,6 @@ Documentation should be reviewed and updated:
 
 ---
 
-**Documentation Version**: 1.1.3  
+**Documentation Version**: 1.1.4
 **Last Updated**: February 2026  
 **Maintainer**: Alejandro Mata Ali
diff --git a/docs/api/config.md b/docs/api/config.md
@@ -21,7 +21,7 @@ Usage remains the same: import from `config` (e.g. `from config import PLOT_CONF
 ### Application Metadata
 
 ```python
-__version__ = "1.1.3"
+__version__ = "1.1.4"
 __author__ = "Alejandro Mata Ali"
 __email__ = "alejandro.mata.ali@gmail.com"
 ```

diff --git a/docs/index.md b/docs/index.md
@@ -103,6 +103,6 @@ If you need assistance:
 
 ---
 
-**Version**: 1.1.3  
+**Version**: 1.1.4
 **Author**: Alejandro Mata Ali  
 **License**: MIT
diff --git a/pyproject.toml b/pyproject.toml
@@ -4,7 +4,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 name = "regressionlab"
-version = "1.1.3"
+version = "1.1.4"
 description = "Scientific curve fitting application with GUI"
 readme = "README.md"
 requires-python = ">=3.12"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/api/index.po b/sphinx-docs/locale/es/LC_MESSAGES/api/index.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-14 18:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/configuration.po b/sphinx-docs/locale/es/LC_MESSAGES/configuration.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-14 18:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/contributing.po b/sphinx-docs/locale/es/LC_MESSAGES/contributing.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/customization.po b/sphinx-docs/locale/es/LC_MESSAGES/customization.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/extending.po b/sphinx-docs/locale/es/LC_MESSAGES/extending.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/index.po b/sphinx-docs/locale/es/LC_MESSAGES/index.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/installation.po b/sphinx-docs/locale/es/LC_MESSAGES/installation.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/introduction.po b/sphinx-docs/locale/es/LC_MESSAGES/introduction.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-14 18:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/license.po b/sphinx-docs/locale/es/LC_MESSAGES/license.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/core.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/core.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/data_analysis.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/data_analysis.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-14 18:22+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/fitting.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/fitting.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: 2026-02-13 19:57+0100\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/frontend.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/frontend.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
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 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"

diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/loaders.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/loaders.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/plotting.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/plotting.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/streamlit_app.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/streamlit_app.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/modules/utils.po b/sphinx-docs/locale/es/LC_MESSAGES/modules/utils.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/streamlit-guide.po b/sphinx-docs/locale/es/LC_MESSAGES/streamlit-guide.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
 "Report-Msgid-Bugs-To: \n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/tkinter-guide.po b/sphinx-docs/locale/es/LC_MESSAGES/tkinter-guide.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/troubleshooting.po b/sphinx-docs/locale/es/LC_MESSAGES/troubleshooting.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
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diff --git a/sphinx-docs/locale/es/LC_MESSAGES/usage.po b/sphinx-docs/locale/es/LC_MESSAGES/usage.po
@@ -7,7 +7,7 @@
 #, fuzzy
 msgid ""
 msgstr ""
-"Project-Id-Version: RegressionLab 1.1.3\n"
+"Project-Id-Version: RegressionLab 1.1.4\n"
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diff --git a/sphinx-docs/source/conf.py b/sphinx-docs/source/conf.py
@@ -587,8 +587,8 @@ def add_filters(_app):
 except ImportError:
     pass  # dotenv not required for documentation build
 
-release = "1.1.3"
-version = "1.1.3"
+release = "1.1.4"
+version = "1.1.4"
 
 # -- General configuration ---------------------------------------------------
 # https://www.sphinx-doc.org/en/master/usage/configuration.html#general-configuration

diff --git a/sphinx-docs/source/index.rst b/sphinx-docs/source/index.rst
@@ -14,7 +14,7 @@
    <p style="margin: 1em 0;">
    <a href="https://www.python.org/" target="_blank"><img src="https://img.shields.io/badge/Python-3.12+-3776AB?style=for-the-badge&logo=python&logoColor=white" alt="Python"></a>
    <a href="license.html"><img src="https://img.shields.io/badge/License-MIT-green.svg?style=for-the-badge" alt="License"></a>
-   <a href="https://github.com/DOKOS-TAYOS/RegressionLab" target="_blank"><img src="https://img.shields.io/badge/version-1.1.3-blue.svg?style=for-the-badge" alt="Version"></a>
+   <a href="https://github.com/DOKOS-TAYOS/RegressionLab" target="_blank"><img src="https://img.shields.io/badge/version-1.1.4-blue.svg?style=for-the-badge" alt="Version"></a>
    <a href="https://regressionlab.streamlit.app/" target="_blank"><img src="https://img.shields.io/badge/Streamlit-FF4B4B?style=for-the-badge&logo=streamlit&logoColor=white" alt="Streamlit"></a>
    <a href="https://scipy.org/" target="_blank"><img src="https://img.shields.io/badge/SciPy-8CAAE6?style=for-the-badge&logo=scipy&logoColor=white" alt="SciPy"></a>
    <a href="https://numpy.org/" target="_blank"><img src="https://img.shields.io/badge/NumPy-013243?style=for-the-badge&logo=numpy&logoColor=white" alt="NumPy"></a>

diff --git a/src/config/constants.py b/src/config/constants.py
@@ -7,7 +7,7 @@
 from config.equation_registry import get_equation_registry
 
 # Application version number
-__version__ = "1.1.3"
+__version__ = "1.1.4"
 
 # Application metadata
 __author__ = "Alejandro Mata Ali"