Grab it from the download page
New features and enhancements in this version:
- High resolution icons from Icons8
- Save and restore query tabs automatically
- PostgreSQL connection over SSH tunnel
- Configurable web search engine for help links in footer of message dialogs
- Support for DATETIMEOFFSET data types on MSSQL
- Table designer: Support for custom expressions in column default values
- Caching of "SELECT 1234::regclass" queries on PostgreSQL connections
- New data grid menu item "Duplicate row with keys" (besides the old one "Duplicate row without keys)
- Support for TLS versions up to 1.3 in MySQL connections
Bugfixes:
- Text search on PostgreSQL works properly now
- Auto-uppercase feature does not touch column names on table aliases
- Enhanced Material theme colors
- Artefacts in query editor when using non-default theme
Complete change list: https://github.com/HeidiSQL/HeidiSQL/milestone/2?closed=1
If you liked the old Silk icons more: they are still there. You can switch back in Tools > Preferences > General > Icon Pack.
Wine users: You will probably need a newer Wine version, as recent ones did not work with HeidiSQL. Wine 4.10 runs fine according to some user feedback.