# Appendices

## Major versioning history

<table><thead><tr><th width="111">Version</th><th width="424">URL</th><th>Description</th></tr></thead><tbody><tr><td>9.14</td><td><a href="https://api.speechace.co/api/scoring/text/v9.14/json?">https://api.speechace.co/api/scoring/text/v9.14/json?</a></td><td><p></p><ul><li>Major Spontaneous Speech Transcription model update</li><li>Spontaneous Speech Scoring model updates</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.13</td><td><a href="https://api.speechace.co/api/scoring/text/v9.13/json?">https://api.speechace.co/api/scoring/text/v9.13/json?</a></td><td><p></p><ul><li>Core Pronunciation model update</li><li>Lexicon and alt Dictionary support</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.12</td><td><a href="https://api.speechace.co/api/scoring/text/v9.12/json?">https://api.speechace.co/api/scoring/text/v9.12/json?</a></td><td><p></p><ul><li>Core Pronunciation model update</li><li>Connected Speech expansion</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.11</td><td><a href="https://api.speechace.co/api/scoring/text/v9.11/json?">https://api.speechace.co/api/scoring/text/v9.11/json?</a></td><td><p></p><ul><li>Core Pronunciation model update</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.10</td><td><a href="https://api.speechace.co/api/scoring/text/v9.10/json?">https://api.speechace.co/api/scoring/text/v9.10/json?</a></td><td><p></p><ul><li>VAD model update scoring/text, scoring/speech</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.9</td><td><a href="https://api.speechace.co/api/scoring/text/v9.9/json?">https://api.speechace.co/api/scoring/text/v9.9/json?</a></td><td><ul><li>Core Pronunciation model updates</li><li>Major performance enhancement</li><li>Bug fixes and minor enhancements</li></ul></td></tr><tr><td>9.8</td><td><a href="https://api.speechace.co/api/scoring/text/v9.8/json?">https://api.speechace.co/api/scoring/text/v9.8/json?</a></td><td><p></p><ul><li>Pronunciation model update</li><li>Grammatical accuracy model update</li></ul></td></tr><tr><td>9.7</td><td><a href="https://api.speechace.co/api/scoring/text/v9.7/json?">https://api.speechace.co/api/scoring/text/v9.7/json?</a></td><td><p></p><ul><li>Noise and alignment updates</li><li>New relevance scoring model</li><li>Markup language support for letter to phoneme mapping</li></ul></td></tr><tr><td>9.5</td><td><a href="https://api.speechace.co/api/scoring/text/v9.5/json?">https://api.speechace.co/api/scoring/text/v9.5/json?</a></td><td><p></p><ul><li>New noise reduction enhancement</li><li>Beta Grammar, Coherence, Vocab feedback metrics</li></ul></td></tr><tr><td>9.4</td><td><a href="https://api.speechace.co/api/scoring/text/v9.4/json?">https://api.speechace.co/api/scoring/text/v9.4/json?</a></td><td><p></p><ul><li>New minor version Transcription models</li></ul></td></tr><tr><td>9.2</td><td><a href="https://api.speechace.co/api/scoring/text/v9.2/json?">https://api.speechace.co/api/scoring/text/v9.2/json?</a></td><td>New minor version scoring models</td></tr><tr><td>9</td><td><a href="https://api.speechace.co/api/scoring/text/v9/json?">https://api.speechace.co/api/scoring/text/v9/json?</a></td><td>current latest production major version</td></tr></tbody></table>