Add June Learning Team agenda

learning-team/2020-06/2020-06-04.md

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+# June 4, 2020
+
+Facilitator & Note Taker: 
+
+## Attendees
+
+Add yourself to the list if you attend and check the box!
+
+### Core Team
+- [ ] Chris Manson (CM)
+- [ ] Amy Lam (AL)
+- [ ] Ricard Mendes (RM)
+- [ ] Jessica Jordan (JJ)
+- [ ] Melanie Sumner (MS)
+- [ ] Jen Weber (JW)
+- [ ] Kenneth Larsen (KL)
+- [ ] Robert Wagner (RW)
+- [ ] Jared Galanis (JG)
+- [ ] Isaac Lee (IL)
+
+### Guests
+
+## Weekly Agenda (20mins)
+
+- [ ] Review action items (update weekly)
+- [ ] Review [Initiatives Board](https://github.com/orgs/ember-learn/projects/33) (every second week)
+- [ ] How is our PR queue doing? How many older than a week? [Tracking sheet](https://docs.google.com/spreadsheets/d/1sPyN9z9wZMpTNwqCfa6R9QSPZkIW4iQd-H4gZC7ILLk/edit#gid=2035777454)
+- [ ] Review new RFCs/[RFC Tracking](https://github.com/emberjs/rfc-tracking)
+- [ ] Any suggestions for the Ember Times? Add writeup ideas / call for contributors / suggestions to [the latest PR](https://github.com/ember-learn/ember-blog/pulls?q=is%3Aopen+is%3Apr+label%3A%22%F0%9F%97%9E+embertimes%22%20or%20#support-ember-times) or [#support-ember-times](https://discordapp.com/channels/480462759797063690/485450546887786506) on Discord.
+
+## Topics
+
+If you would like to add a topic to the agenda please add a suggestion to the PR using the following format:
+
+```markdown
+### Topic goes here (your initials - 00mins)
+
+description of topic goes here
+```
+
+### replacing `ember-ref-modifier` (@chriskrycho  - CK)
+
+One of the advanced examples in the guides, [Communicating Between Elements in
+a Component][example], uses `ember-ref-modifier` to show how to implement some
+custom functionality. This example dates to a time before the existence of
+`ember-modifier`, and was reasonable to include at the time. However, today the
+example can be implemented much more cleanly using a class-based modifier from
+`ember-modifier`. Just as importantly, using `ref` has significant performance
+implications that are *not* obvious: it requires two rendering passes. I’ve had
+to wave people off of using `ref` a couple times already in our app as we adopt
+Octane, because it’s officially recommended in the Guides, which we point people
+to as our *first* source of truth for how to write Octane. I suggest we remove
+it in favor of another example using one of the `ember-modifier` variants.
+
+[example]: https://guides.emberjs.com/release/components/template-lifecycle-dom-and-modifiers/#toc_communicating-between-elements-in-a-component
+- Echoed by @rwjblue
+
+- Alternate suggestion by @jrjohnson, CK has comments on this will mention at the meeting: https://github.com/emberjs/core-notes/pull/306#issuecomment-632801292
+- Aside from @lifeart: https://github.com/emberjs/core-notes/pull/306#issuecomment-633190688
+
+### Ember CLI API docs (from @mehulkar, who may or may not attend - 10mins)
+
+I want to get an update on getting API docs on `https://api.emberjs.com/ember-cli`
+and redirecting `ember-cli.com/api`. As embroider approaches and the larger
+JS community experiments with JS development (e.g. Snowpack), it is
+important for the Ember project to _enable_ its community to experiment also.
+Moving the API docs to the main site will make it easier to improve
+documentation, add examples, and propose API improvements that can
+enable such experimentation.
+
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+
+## Any Questions?
+Questions, comments or concerns? Submit a comment or PR for this set of notes.