Chronomancy slow stat not working when allocated on Megalomaniac (or Amulet anoint)

In-game /bug report reference ID: 1,537,526,830

Description:
Chronomancy notable is bugged when allocated via Megalomaniac (or on any Amulet). Specifically "Debuffs you inflict have 10% increased Slow Magnitude" stat does not work.

My testing:
1. My character uses Temporal Chains on Blasphemy
2. Approach any normal monster (any part of the game)
3. Notice Temporal Chains slow effect under monster hp bar
4. Also check if skill effect duration stat is bugged using stat sheet of Time Freeze skill

Test 1 (No Chronomancy at all): 83% slow effect, 6.72s Time Freeze duration
Test 2 (Chronomancy via Megalomaniac): 83% slow effect, 7.56s Time Freeze duration
Test 3 (Chronomancy normally allocated on skill tree): 88% slow effect, 7.56s Time Freeze duration
Test 4 (Chronomancy via Amulet anoint): 83% slow effect, 7.56s Time Freeze duration

Results (imgur album for each test):
https://imgur.com/a/BUsSlDI
88% Temporal Chains slow when I get Chronomancy normally through pathing
83% Temporal Chains slow when I get Chronomancy via Megalomaniac or any Amulet anoint

Notes:
Time Freeze (linked to Persistence support btw) freeze duration was checked for discrepancies during testing due to Chronomancy's "20% increased Skill Effect Duration" stat. It works as expected.