Answering my own question, I have learned that newer idfs can be configured to copy rom to spiram at boot time, which should eliminate the restrictions on task stacks that hit the rom, using the following : SPIRAM_FETCH_INSTRUCTIONS: This configuration parameter allows moving instructions from flash...

384K versus 520K for the original esp32 seems really tight. can someone at espressif shed some light on this? Are the restrictions about declaring task stacks that do crypto or tcp/ip or flash operations now lifted? Is there a bunch more usable SRAM on these parts than on the original esp32 due to c...