Merge pull request #376 from OpenWebGAL/dev

4.5.12

Merge pull request #359 from OpenWebGAL/dev

4.5.11

Merge pull request #339 from OpenWebGAL/dev

4.5.10

Merge pull request #328 from OpenWebGAL/dev

4.5.9

Merge branch 'dev'

Merge branch 'dev'

Merge pull request #304 from OpenWebGAL/dev

4.5.6

Merge pull request #298 from OpenWebGAL/dev

4.5.5

fix: engine

fix: component tree problem