Update credits

README.md

@@ -81,10 +81,10 @@ Sandboxie's functionality can be enhanced with specialized tools like the follow
 | 2004 - 2013         | Ronen Tzur       |
 | 2013 - 2017         | Invincea Inc.    |
 | 2017 - 2020         | Sophos Group plc |
-| [Open-source code](https://github.com/sandboxie/sandboxie) |    Tom Brown     |
-| --- | --- |
-| 2020 onwards        | David Xanatos ([Roadmap](https://www.wilderssecurity.com/threads/sandboxie-roadmap.445545/page-8#post-3187633))    |
+| 8 April 2020 - [open-source code](https://community.sophos.com/sandboxie/f/forum/119641/important-sandboxie-open-source-code-is-available-for-download) | Sophos Group plc |
+| 9 April 2020 onwards - project fork | David Xanatos |
 
+See the current [roadmap](https://www.wilderssecurity.com/threads/sandboxie-roadmap.445545/page-8#post-3187633).
 
 ## 📌 Project support / sponsorship
 
@@ -113,7 +113,9 @@ If you find Sandboxie useful, then feel free to contribute through our [Contribu
 - hg421 - Security analysis & PoCs / Code reviews
 - hx1997 - Security analysis & PoC
 - mpheath - Author of Plus installer / Code fixes / Collaborator
-- offhub - Documentation additions / Code fixes / Collaborator
+- offhub - Documentation additions / Code fixes / Qt5 patch and build script / Collaborator
+- LumitoLuma - Qt5 patch and build script
+- QZLin - Author of [sandboxie-docs](https://sandboxie-plus.github.io/sandboxie-docs/) theme
 - isaak654 - Templates / Documentation / Code fixes / Collaborator
 - typpos - UI additions / Documentation / Code fixes
 - Yeyixiao - Feature additions
@@ -130,14 +132,16 @@ If you find Sandboxie useful, then feel free to contribute through our [Contribu
 - cricri-pingouin - UI fixes
 - Valinwolf - UI / Icons
 - daveout - UI / Icons
+- kokofixcomputers - Support member of the [Discord](https://discord.gg/S4tFu6Enne) channel
 - NewKidOnTheBlock - Changelog fixes
 - Naeemh1 - Documentation additions
 - APMichael - Templates additions
 - 1mm0rt41PC - Documentation additions
 - Luro223 - Documentation additions
 - lwcorp - Documentation additions
 - wilders-soccerfan - Documentation additions
-- LumitoLuma - Qt5 patch and build script
+- LepordCat - Documentation additions
+- stdedos - Documentation additions
 
 ## 🌏 Translators