No big changes this year. A lot of tax rules expire in 2025 but nothing major this year.
For 2023 the contribution limits for an IRA are $6500 for under 50 and $7500 if you're over - rising to $7000 and $8000 for 2024.
The 2023 contribution limit for a 401K is $22500 rising to $23000 in 2024.
@ebrooks714