Angular: 20.3.4 Release

core

| Commit | Description | | -- | -- | | | ensure missing leave animations don't queue leave animations (#64226) | | | Fixes animations in conjunction with content projection (#63776) | | | handle undefined CSS time values in parseCssTimeUnitsToMs function (#64181) | | | prevent early exit from leave animations when multiple transitions are present (#64225) |

migrations

| Commit | Description | | -- | -- | | | preserve component imports when pruning NgModules in standalone migration (#64186) |