Topological Dilemma

Today's Puzzle:

A 2nd colouring puzzle you say Sleuth? You be the judge, we have a regions puzzle to solve today. Tough but fair. Enjoy!

Link to Play Along:

Topoligical Dilemma by GemmaOane https://tinyurl.com/SudokuSleuthTopologicalDilemma

Rules:

Normal irregular 5x5 sudoku rules apply: Fill each row, column and region with the digits 1-5.

Thermometers: Digits along a thermometer must increase starting at the bulb.

Anti-Sum: Digits in orthogonally adjacent cells may not sum to 9.