Following the beta testing period and some blog post pre-announcing some of the key features (see also my blog), yesterday Embarcadero officially released RAD Studio 10.4 Sydney, which includes Delphi 10.4.
There are many new features in the product. For Delphi developers the key are:
There is way more in the product, this is just my personal take of the top 3 areas we worked on. Extensive bug fixing is another key element of 10.4, with one of the highest number of public reported bug fixed in a release. And the return of a very nice classic Delphi Greek helmet logo!
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If you publish some patches (and you'll probably do it soon), please use a "cumulative patch" strategy (older patches are included in the last), in order to make it easier to align the product to the lastpatched version (this should also be done on older releases e.g.10.3.2)
Take a look at the number of releases surrounding 10.3: https://github.com/ideasawakened/DelphiKB/wiki/Delphi-Master-Release-List
What you are asking for was accomplished by 10.3.1, 10.3.2, 10.3.3.
The remaining patches are solved by the new ability for auto-updates in the IDE. There's nothing more to do here.