On May 29, MetaQuotes released a hotfix update for its MetaTrader 5 platform - Build 2470. It focuses on fixing the problems reported for its previous major release - Build 2450:
https://www.mql5.com/en/forum/342098
If you find a bug or some undocumented feature in the new build, please post about it here.
- Fixed a bug that prevented adding trading symbols with special characters like '-', '=', '_', '+' to Market Watch.
- Fixed a bug with extended search in MetaEditor.
- Optimized code in the Standard Library.
https://www.mql5.com/en/forum/342098
If you find a bug or some undocumented feature in the new build, please post about it here.