Recently, some analysts predicted that the PlayStation 6 may be delayed until 2028 or even 2029, but this statement does not seem to be recognized by sources who have repeatedly disclosed details of Sony's future hardware.
Well-known tipster Kepler_L2 - an industry source specializing in AMD-related news - actually denied reports of such a significant delay. In a discussion on the NeoGAF forum, he responded to the analyst's post with a GIF with a clear "no", suggesting that delaying the console by several years is highly unlikely.

What’s more noteworthy is that the whistleblower also agreed with the analysis of a forum user that “extension has no economic significance”. The user pointed out that Sony has invested hundreds of millions of dollars in research and development and may have locked in production capacity and component supply chains in advance. If you abandon the established schedule, it not only means a loss of time, but also a possible loss of favorable production conditions.
This spring, another well-known source, Moore’s Law Is Dead, expressed a similar view. According to him, Sony has reserved production capacity for the 3-nanometer process technology of the new generation chip, and a significant delay in the release date will only bring additional cost burdens and production risks.

Taken together, there are growing signs that Sony still plans to launch the PlayStation 6 in 2027. If this information is true, an official PS6 announcement could arrive within months.
Regarding the specifications of the new console, it is rumored that PS6 will be equipped with greatly upgraded ray tracing technology, a new generation of PSSR image enhancement technology, and can stably run games at 120 frames at 4K resolution. As of now, Sony has not issued an official statement on this, but the topic of delay seems more and more like an overly conservative speculation rather than the company's actual plan.