On 7 Aug 2015, at 19:40, Martin Wilhelm Leidig wrote:
There currently isn’t any way to export a merged bundle from TextMate but I’ll add it to next (nightly) build, likely available within the next 24 hours.
Wow. Did I mention that I love this list?
I didn’t manage to push a nightly build but I did do a “cutting edge” build which can be upgraded to by holding option down when clicking Check Now in Preferences → Software Update.
The build lack release notes but you can right-click bundles in the bundle editor and select Export Bundle…