feat: added opal release notes

Author: CodeDead

src/markdown/blog/2024/07/16/opal-1.4.0.md

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+---
+path: "/blog/2024/07/16/opal-1.4.0"
+title: "Opal 1.4.0 - Release"
+author: "CodeDead"
+date: "2024-07-16"
+abstract: "Opal v1.4.0 has just been released. We've added new sounds for you to listen to, including soothing dolphins and more. We've also included a requested..." 
+categories: "Java, News, Opal"
+---
+## Information
+
+![Opal](https://i.imgur.com/UAxfclq.png)
+
+Opal v1.4.0 has just been released. We've added new sounds for you to listen to, including soothing dolphins and more.
+We've also included a requested feature: 
+The ability to see how much time is left before the countdown timer ends, which will stop the music.
+
+For a full list of changes, please see the changelog below.
+
+## What's Changed
+
+* feat: Gradle upgrade, bumped JDK version, updated dependencies by @CodeDead in https://github.com/CodeDead/opal/pull/121
+* feat: added dolphin sound by @CodeDead in https://github.com/CodeDead/opal/pull/122
+* feat: code refactoring by @CodeDead in https://github.com/CodeDead/opal/pull/123
+* feat: added Hindi language (auto-translate) by @CodeDead in https://github.com/CodeDead/opal/pull/124
+* feat: fixed an issue with a dialog not displaying the Opal icon by @CodeDead in https://github.com/CodeDead/opal/pull/125
+* Feature/rollercoaster by @CodeDead in https://github.com/CodeDead/opal/pull/126
+* feat: added a large crowd sound and fixed a mediaKey property by @CodeDead in https://github.com/CodeDead/opal/pull/127
+* feat: added a visual indicator for the timer and some minor refactoring by @CodeDead in https://github.com/CodeDead/opal/pull/128
+* Release/v1.4.0 by @CodeDead in https://github.com/CodeDead/opal/pull/129
+
+## Download
+
+You can download the latest version of Opal by clicking on the following link:
+[Opal](https://codedead.com/software/opal)
+
+## Other
+
+Feel free to [contact us](/contact) if you have any questions or if you need help.