Initiate v4.0.0b3 release

Author: fonnesbeck

RELEASE-NOTES.md

@@ -7,10 +7,10 @@ Instead update the vNext section until 4.0.0 is out.
 ⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠⚠
 -->
 
-## PyMC vNext (4.0.0b1 → 4.0.0b2 → 4.0.0b3 → 4.0.0)
+## PyMC vNext (4.0.0b1 → 4.0.0b2 → 4.0.0b3 → 4.0.0b4 → 4.0.0)
 ⚠ The changes below are the delta between the upcoming releases `v3.11.5` →...→ `v4.0.0`.
 
-### No-yet working features
+### Not-yet working features
 We plan to get these working again, but at this point their inner workings have not been refactored.
 - Timeseries distributions (see [#4642](https://github.com/pymc-devs/pymc/issues/4642))
 - Mixture distributions (see [#4781](https://github.com/pymc-devs/pymc/issues/4781))

pymc/__init__.py

@@ -13,7 +13,7 @@
 #   limitations under the License.
 
 # pylint: disable=wildcard-import
-__version__ = "4.0.0b2"
+__version__ = "4.0.0b3"
 
 import logging
 import multiprocessing as mp