…l::addPart() (fabpot)This PR was merged into the 6.2 branch.Discussion----------[Mime] deprecate attach/embed methods in favor of Email::addPart()| Q             | A| ------------- | ---| Branch?       | 6.2| Bug fix?      | no| New feature?  | no <!-- please update src/**/CHANGELOG.md files -->| Deprecations? | yes <!-- please update UPGRADE-*.md and src/**/CHANGELOG.md files -->| Tickets       | n/a <!-- prefix each issue number with "Fix #", no need to create an issue if none exist, explain below instead -->| License       | MIT| Doc PR        | -#47462 follow-upCommits-------7cdbd20 [Mime] deprecate attach/embed methods in favor of Email::addPart()

…hiddewie)This PR was squashed before being merged into the 6.2 branch.Discussion----------Use `addPart` instead of `embed*` or `attach*`.Fixessymfony#17303Refsymfony#17353Refsymfony/symfony#47711Refsymfony/symfony#47462This PR contains the documentation for simplifications for adding parts to `Email`s.Commits-------ebbffc5 Use `addPart` instead of `embed*` or `attach*`.

This PR was squashed before being merged into the 6.3 branch.Discussion----------[Mime] Fix email (de)serialization issues| Q             | A| ------------- | ---| Branch?       | 6.3| Bug fix?      | yes| New feature?  | no| Deprecations? | no| Tickets       |Fix#47991| License       | MIT| Doc PR        | -#48156fixed#47991 while introducing a big breaking change (the `File` lazy load feature is broken and that was the whole point of that class when it was introduced in#47462 as that feature existed even prior to that PR) on a minor Symfony version (updating from 6.1 to 6.2 broke our application). More context can be found here:#48156 (comment)This PR aims to revert back the `attachFromPath` behavior to what it was before#48156 while still fixing the deserialization issue reported in#47991The first commit fixes the serialization logic to work the same way it had worked on both 5.4 and 6.1 (which means we are reverting#48156), while the second commit fixes the deserialization issue reported in#47991.I've also added tests to prevent serialization/deserialization regressions in the future.Commits-------32836b9 [Mime] Fix email (de)serialization issues