# Incompatibilities Between Eclipse 4.21 and 4.22

Eclipse changed in incompatible ways between 4.21 and 4.22 in ways that affect plug-ins. The following entries describe the areas that changed and provide instructions for migrating 4.21 plug-ins to 4.22. Note that you only need to look here if you are experiencing problems running your 4.21 plug-in on 4.22.

See also the list of deprecated API removals for this release.